Narrow mri nejm ct clinical

Nystagmus from Wernicke’s Encephalopathy - Magnetic resonance imaging of the brain showed T2 hyperintensities involving the

matter (Panel A, arrow ... thalami (Panel B, arrows ... #Clinical #Radiology ... Neuro #Wernicke #MRI ... #Thalamus #NEJM

Creutzfeldt-Jakob Disease - Magnetic resonance imaging (MRI) revealed hyperintensity of the cortical gyri of the frontal

resonance imaging (MRI ... sides (Panel B, arrows ... #Clinical #Neuro ... #Radiology #MRI ... CreutzfeldJakob #NEJM

Auer Rods - Bone marrow aspiration revealed 5% blasts and 65% promyelocytes; many promyelocytes had prominent

Auer Rods - Bone marrow ... prominent Auer rods (arrows ... #Clinical #Path ... Smear #Microscopy #NEJM

Evolution of stroke on CT and MRI.

Day 1: NCHCT demonstrates obscure left insular cortex. No

Evolution of stroke on CT ... and MRI. ... infarction (open arrow ... on T2-weighted MRI ... #Stroke #CVA #MRI

Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the

computed tomography (CT ... Panels A and B, arrows ... excretory phase on CT ... bacilli (Panel D) #Clinical ... AcidFastBacilli #Microscopy #NEJM

Emphysematous Prostatitis - Radiography of the kidney, ureter, and bladder showed an atypical focus of gas

ramus (Panel A, arrows ... computed tomography (CT ... lobe (Panel B) #Clinical ... #Radiology #CT ... #Prostatitis #NEJM

Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
• Os trigonum which has marrow

• Arrows showing ... • MRI: Posterolateral ... torn ligament on MRI ... OsTrigonum #Syndrome #clinical ... #mri #clinical

Large Amniocele #Clinical ... Radiology #OBGyn #MRI ... UterineRupture #Amniocele #NEJM

Regression of Clubbing after Treatment of Lung Cancer #Clinical #PhysicalExam #Radiology #Clubbing #Regression #LungCancer #CT #NEJM

of Lung Cancer #Clinical ... Regression #LungCancer #CT ... #NEJM

Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and

melanocytes (Panel B, arrows ... epidermis (Panel C, arrow ... #Clinical #Derm ... Microscopy #Spaghetti #NEJM

Borrelia recurrentis Infection - Spirochetes were visible (arrows), a finding that suggested louseborne relapsing fever #Clinical

were visible (arrows ... relapsing fever #Clinical ... Smear #Microscopy #NEJM

Trypanosoma cruzi Reactivation in the Brain- ...Magnetic resonance images of the brain showed a mass measuring

mitochondrial DNA) (arrow ... #clinical #NEJM ... reactivation #brain #MRI

Disseminated Cysticercosis - Magnetic resonance imaging (MRI) of the head revealed diffuse hyperintense septated cystic lesions

resonance imaging (MRI ... Coronal MRI of the ... #Clinical #Radiology ... #Pathology #MRI ... Solium #Microscopy #NEJM

Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
• Infrapatellar fat-pad edema with loss of the patellar tendon

and mild bone marrow ... Eval clinical presentation ... • MRI is more sensitive ... Knee #patella #clinical ... #mri #clinical

Restarting Anticoagulation after TIA or Acute Ischemic Stroke

• TIA → Consider (re-) starting a NOAC

worsening or clinical ... transformation by brain CT ... or MRI within 24 ... transformation by brain CT ... or MRI within 24

Central Pontine Myelinolysis - Magnetic resonance imaging of the brain revealed a central area of high

high T2 (Panel A, arrows ... low T1 (Panel B, arrow ... #Clinical #Radiology ... #Neuro #MRI #Central ... Syndrome #ODS #NEJM

Reversible Loss of Vision in Malignant Hypertension - Fundus examination revealed bilateral disk edema (Panel A,

Panel A, black arrow ... cotton-wool spots (white arrows ... edema (Panel B, arrow ... #Clinical #Ophthalmology ... SplinterHemorrhages #NEJM

Extrapulmonary manifestations of sarcoidosis.
a. Endobronchial cobblestones (a nodular appearance of the tracheal wall mucosa).
b. Diffuse

delayed enhancement (arrow ... ) on MRI. ... MRI scan showing ... neurosarcoidosis lesion (arrow ... manifestations #clinical

X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in

interpret them in clinical ... UltraSound (POCUS) to CT ... or MRI.

Vitreous Hemorrhage on Ocular POCUS

Binocular vision loss - think cortical blindness, opt for CT/MRI
Monocular vision loss

blindness, opt for CT ... /MRI Monocular ... Ocular #POCUS #clinical

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Pulsatile AAA on Abdominal Exam

A 66-year-old man presented with a 2-month history of abdominal bloating and

abdominal mass, which CT ... Aortic #Aorta #Clinical ... #Video #NJEM #vascular

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Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
• Thin, easily bruisable skin with

Diagnosis and Clinical ... and/or M RI of ... and/or MRI of the ... and/or MRI of the ... , abdominal CT,

Congenital Cytomegalovirus Infection- Ultrasonographic images showed ventricular dilatation in the fetal brain, and T2-weighted magnetic resonance

calcifications (Panel B, arrows ... #clinical #NEJM ... #radiology #MRI ... #CT #computed #tomography

Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
• Eccentric soft-tissue densities surrounding the third proximal interphalangeal

prior signs or clinical ... surgeon had a clinical ... NOT interpret MRI ... disproportionately narrowed ... #clinical #Radiology

Fournier’s Gangrene - Physical examination was notable for necrotic-appearing tissue in the scrotum and perineum, with

wall (Panel B) #Clinical ... #Surgery #CT #Fournier ... #Subcutaneous #NEJM

Decompression Sickness - The physical examination revealed diffuse violaceous skin mottling over his trunk and arms

#Clinical #Derm ... #Pneumatosis #CT ... #NEJM

Strongyloides stercoralis Hyperinfection - Physical examination revealed reticulated purpuric patches with dusky centers on the abdomen,

larvae (Panel B, arrow ... #Clinical #Derm ... FilariformLarvae #Microscopy #NEJM

Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory

membranes (black arrows ... vesicles (white arrows ... #clinical #NEJM ... hepatic #radiology #CT

Salmonella enterica Aortitis - chest radiograph showed enlargement of the aortic arch, with deviation of the

side (Panel A, arrow ... Panels B and C, arrows ... gas collection #Clinical ... Radiology #CXR #CT ... Enterica #Aortitis #NEJM

Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk

food, salad bar Clinical ... Infection) • MRI ... / CT if focal symptoms

Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout

Density, Delay in CT ... Hounsfeld Units on CT ... on TI Weighted MRI ... High Plasma E2 + Clinical

food, salad bar Clinical ... Infection) • MRI ... / CT if focal symptoms

Magnetic resonance imaging of the brain revealed a giant pituitary adenoma measuring 48 mm in diameter

mm in diameter (arrow ... #Clinical #Radiology ... #MRI #Pituitary ... PituitaryAdenoma #NEJM

Eggshell Calcifications of the Bladder - Computed tomography of the abdomen and pelvis without the administration

Panel A, white arrow ... and C, yellow arrows ... #Clinical #Urology ... #Radiology #CT ... Schistosomiasis #NEJM

Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
• The P wave is

• As the PRI ... complex maybe narrow ... may be wide or narrow ... • This is a clinically ... 40-60 bpm and narrow

Osteopetrosis - Computed tomography revealed diffusely thickened bones of the skull (Panel A, arrows). A radiograph

skull (Panel A, arrows ... bands (Panel B, arrows ... #Clinical #Peds ... Osteopetrosis #CT ... #NEJM

Renal Cell Carcinoma (RCC) - Diagnosis and Management Summary
Clinical features - Classic triad (flank pain, hematuria,

Management Summary Clinical ... test: abdominal CT ... CT/MRI of the thorax

Perirenal Extramedullary Hematopoiesis - Magnetic resonance imaging of the abdomen, performed without the administration of contrast

space (Panel A, arrows ... , blue and red arrows ... hematopoiesis #cilnical ... Pathology #Honc #MRI ... ExtramedullaryHematopoiesis #Microscopy #NEJM

Mobile Aortic Thrombi - Gated aortic magnetic resonance imaging revealed four intraaortic thrombi (arrows) attached to

intraaortic thrombi (arrows ... cardiac cycle #Clinical ... #Radiology #MRI ... MobileThrombi #NEJM

Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
- Typically from TB endemic areas
-

extrapulmonary cases Clinical ... Diagnosis: - MRI ... involvement - CT

Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
• Arrows identifying the characteristic edema-like signal

Imaging Findings: • Arrows ... repeated follow-up MRI ... Edema #lesion #clinical ... #mri #clinical

Haglund Syndrome - MSK Radiology
Imaging Findings:
• The Haglund Deformity (enlarged superior margin calcaneal posterior process)

calcaneus with marrow ... Syndrome #Heel #clinical ... #mri #clinical

Large Hiatal Hernia - A chest radiograph showed a large air–liquid shadow in the inferior retrocardiac

Panels A and B, arrows ... Panel D, white arrow ... #Clinical #Radiology ... #CXR #CT #HiatalHernia ... #NEJM

Emphysematous Pyelonephritis - Abdominal radiography (Panel A) and computed tomography (Panel B) revealed gas collection in

the parenchyma (arrows ... #Clinical #Radiology ... Pyelonephritis #CT ... #KUB #NEJM

Emphysematous Cystitis
Epidemiology:
• Usually middle-aged diabetic women
• Other RF: neurogenic bladder, urinary tract outlet obstruction,

immune compromise Clinical ... , specifically CT ... antibiotics early, may narrow

Metronidazole-Associated Encephalopathy - A magnetic resonance imaging (MRI) scan of the brain showed a symmetric, enhanced

resonance imaging (MRI ... cerebellum (Panel A, arrow ... later (Panel B) #Clinical ... Radiology #Pharm #MRI ... Encephalopathy #Cerebellum #NEJM

Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
• Incidence: 1

trauma, and bone-marrow ... transplantation CLINICAL ... demyelinating or axonal • MRI ... - Spinal MRI may ... specific therapy, the clinician

Laryngocele- ...On physical examination, he had nontender, compressible swelling in the left cervical region that transmitted

#NEJM #clinical ... laryngoscope #radiology #CT

Chronic Splenic Brucellosis - Computed tomography of the abdomen and pelvis revealed a coarsely calcified, circumscribed

cm by 2.8 cm (arrow ... #Clinical #Radiology ... #CT #BrucellaSuis ... Brucellosis #Splenic #NEJM

Computed tomography (CT) of the abdomen showed air in multiple small cysts within the wall of

Computed tomography (CT ... of the colon (arrows ... #Radiology #CT # ... #Pneumatosis #NEJM

Chronic Pancreatitis

Definition: A pathologic fibroinflammatory syndrome of the pancreas in individuals with genetic, environmental, and/or other

• 1st line: CT ... or MRI • 2nd ... sensitivity) Clinical

Esophageal Atresia and Tracheoesophageal Fistula- An infant had an apneic episode at birth and received positive-pressure

the esophagus (arrow ... #NEJM #clinical

Radial Fracture Due to Parathyroid Carcinoma- ...A plain radiograph of the left arm showed a diaphyseal

fracture (Panel A, arrow ... #clinical #radiology ... #NEJM #parathyroid

$Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion Imaging Findings: • The arrow is$

Findings: • The arrow ... glenoid (solid arrows ... Perthes #lesion #clinical ... #mri #clinical

Eagle’s Syndrome - Computed tomography revealed two elongated styloid processes with ossification of the stylohyoid ligaments

ligaments (Panel A, arrows ... syndrome is a rare clinical ... #Clinical #ENT # ... Radiology #CT #Eagle ... StylohyoidOssification #NEJM

Gastrointestinal Complication of Granulomatosis with Polyangiitis - CTA was highly suggestive of bowel ischemia with wall

Panel A, white arrow ... edema (orange arrow ... antimesenteric side) #Clinical ... GI #Radiology #CT ... #Polyangiitis #NEJM

Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:

- Atypical Clinical ... atypical symptoms): MRI ... CN7, parotid), CT

Emphysematous Cystitis - A plain radiograph of the kidneys, ureters, and bladder showed air surrounding the

bladder (Panel A, arrows ... appearance (Panel B, arrows ... ) #Clinical #Radiology ... EmphysematousCystitis #Cystiis #CT ... #KUB #NEJM

Giant Thrombosed Intracranial Aneurysm - Computed tomography (CT) performed without the administration of contrast material revealed

Computed tomography (CT ... CT angiography and ... #Clinical #Radiology ... #Neuro #CT #MRI ... Intracranial #Aneurysm #NEJM

Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting

death Common Clinical ... bl), wide vs. narrow ... O2 delivery • MI

Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It

Hodgkin Lymphoma - Clinical ... Mediastinal mass) • CT ... • Routine bone marrow ... physical exam, CT

Splenosis Mimicking Cancer - radiograph of the chest showed nodularity along the left hemidiaphragm (Panel A,

hemidiaphragm (Panel A, arrows ... side (Panel B, arrows ... #Clinical #Radiology ... #CXR #CT #Splenosis ... #Heterotopic #NEJM

Dysphagia Lusoria - A barium-swallow examination revealed posterior oblique indentation of the proximal esophagus (arrow in

proximal esophagus (arrow ... artery (Panel B) #Clinical ... Radiology #Esophagram #CT ... Aberrant #Subclavian #NEJM

Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
• Headache
• Seizures
• Altered mental

PRES) Overview Clinico-Radiological ... brain PRES Clinical ... PRES-Associated Clinical ... including bone marrow ... Vascular narrowing on MRA

Falciform Ligament Sign - An abdominal radiograph that was obtained with the patient in a supine

sign (Panel A, arrow ... abdomen (Panel B, arrow ... ) #Clinical #Radiology ... Pneumoperitoneum #CT ... #KUB #NEJM

First Branchial Cleft Cyst - On physical examination, the swollen postauricular area was fluctuant and tender

collection (yellow arrows ... inflammation (green arrows ... #Clinical #Radiology ... #CT #BranchialCleftCyst ... #Cleft #Cyst #NEJM

Chronic Occlusion of the Superior Vena Cava- On physical examination, marked venous dilatation was apparent on

, as seen in a CT ... scan (Panel C, arrow ... #clinical #photo ... #radiology #CT ... cava #occlusion #NEJM

SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized

Rheumatic pain Clinical ... Diagnosis: • A clinical ... - MRI: inflammation ... of the bone marrow

Ventriculoperitoneal-Shunt Placement for Normal-Pressure Hydrocephalus - Magnetic resonance imaging revealed ballooning of the ventricles, with an

Panel B, white arrow ... commissure (black arrow ... #Clinical #Neuro ... NSG #Radiology #MRI ... CallosalAngle #NEJM

Broncholithiasis - Differential Diagnosis Framework

• Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
•

Broncholithiasis - Clinical ... bronchus • Chest CT ... to inflamed and narrowed

Froin’s Syndrome - On lumbar puncture, the cerebrospinal fluid (CSF) was xanthochromic, viscous, and coagulated in

CT myelography showed ... –T12 (Panel B, arrow ... #Clinical #Radiology ... #CT #Myelography ... FroinSyndrome #NEJM

Iodide-Associated Sialadenitis - The physical examination was notable for enlargement and slight tenderness of the submandibular

glands (Panel B, arrows ... #Clinical #ENT # ... Radiology #CT #Sialadenitis ... #NeckSwelling #NEJM

Mucoid Degeneration of the ACL
Imaging Findings:
• T2-hyperintense fluid-signal within the enlarged ACL on both the

of the fibers (arrows ... mucinous signal on MRI ... degeneration #knee #clinical ... #mri #clinical

Paget’s Disease of Bone - Radiography (Panel A) showed bony enlargement (arrowheads) and cortical thickening (white

thickening (white arrow ... A and B, black arrows ... Panel B, white arrow ... #Clinical #Radiology ... XRay #BoneScan #NEJM

Calcified Spleen and Gallstones - An abdominal radiograph, which was obtained during a previous presentation for

spleen (Panel A, arrow ... #Clinical #Radiology ... #KUB #CT #Calcified ... #Spleen #NEJM

Rib Fracture Associated with Bordetella pertussis Infection - Physical examination revealed a large ecchymosis across her

the right side (arrow ... #Clinical #Radiology ... #CT #Pertussis ... #RibFracture #NEJM

Bronchoscopic Removal of an Obstructing Broncholith - Computed tomography of the chest showed an obstructing broncholith

left lower lobe (arrow ... #Clinical #PCC # ... Broncholith #CT ... #Bronchoscopy #NEJM

CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
•

should be based on clinical ... Imaging: - MRI ... enhancement on CT

Sand Storm Sign on Chest CT
• Diffusely dense pulmonary micronodular calcifications. Note the black pleural

Sign on Chest CT ... pleural line sign (arrow ... SandStorm #Sign #CT ... diagnosis #radiology #clinical

Nontuberculous Mycobacteria (NTM) Infections

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and

) - Bone Marrow ... Pulmonary Disease: Clinical ... Lung Disease: • Clinical ... Imaging, high res CT

The CT-images demonstrate the atelectasis of the left upper lobe (blue arrow).
There is a centrally located

The CT-images demonstrate ... upper lobe (blue arrow ... bronchus (red arrow ... #Clinical #Radiology

Neobladder Stone - Computed tomography of the abdomen and pelvis showed an obstructing stone in the

proximal ureter (arrow ... #Clinical #Urology ... #Radiology #CT ... CalciumPhosphate #NEJM

Peripheral-Blood Smear. A peripheral-blood smear (Wright’s stain) shows spherocytes (selectively indicated by arrows). #Clinical #Pathology #Spherocytosis

selectively indicated by arrows ... #Clinical #Pathology ... HereditarySpherocytosis #NEJM

Aortic Dissection on 4D Flow Cardiac MRI

Arrow points to fenestration, caused by separation of intercostal

4D Flow Cardiac MRI ... Arrow points ... radiology #aorta #clinical

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Intra-Aortic Thrombi on Cardiac MRI
4 intraaortic thrombi attached to the wall of the descending aorta,moving in

Thrombi on Cardiac MRI ... Aorta #CardiacMRI #Clinical ... Sagittal #Mural #NEJM

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Reversible Acute Mesenteric Ischemia - A computed tomographic scan showed jejunal dilatation and thinning of the

wall (Panel A, arrows ... mucosal healing #Clinical ... Ischemia #EGD #CT ... #NEJM

Figure. Magnetic resonance imaging (MRI) of the brain (A) and the spine (B) showing meningitis and

resonance imaging (MRI ... leptomeningeal enhancement (arrows ... leptomeningeal enhancement (arrows ... ) #Clinical #MRI

Gas in the Left Atrium and Ventricle - Computed tomographic (CT) angiography of his chest, abdomen,

Computed tomographic (CT ... ventricle (Panel A) #Clinical ... CTS #Radiology #CT ... AtrialEsophagealFistula #Fistula #NEJM

Heterotopic Pregnancy - Transvaginal ultrasonography revealed a 4-cm-by-4-cm right adnexal mass (Panel B, arrow) and intrauterine

mass (Panel B, arrow ... pregnancy (Panel C, arrow ... embryo (black arrow ... #Clinical #Radiology ... HeterotopicPregnancy #US #NEJM

$Examination of the right eye revealed an iris lesion 3 mm in diameter (Panel A, arrow),$

diameter (Panel A, arrow ... nodule (Panel B, arrow ... ) #Clinical #Ophth ... #Endocarditis #NEJM

Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
• Cortically based, geographic, lucent lesion with

• MRI demonstrates ... The arrows delineate ... with surrounding marrow ... NOF #Fracture #clinical ... #mri #clinical

Medial Tibial Stress Syndrome (Shin Splints) - MSK Radiology
Imaging Findings:
• Within the mid diaphysis of

• MRI evidence ... signal and bone marrow ... Tl -hypointense marrow ... Fredericson) Fredericson MRI ... diagnosis #msk #clinical

Glucagonoma-Associated Rash - The rash involved the arms, genitals, and buttocks and had progressed to the

head (Panel B, arrow ... resolve (Panel D) #Clinical ... Rash #Microscopy #CT ... #NEJM

Emergency surgical decompression under tourniquet control showed a demarcation between perfused muscle fibers and ischemic, pale,

muscle (Panel B, arrow ... #Clinical #Photo ... CompartmentSyndrome #NEJM

Swirl Sign - Intestinal Volvulus after Roux-en-Y Gastric Bypass - Radiography (Panel A) and computed tomography

computed tomography (CT ... vessels was noted on CT ... #Clinical #Radiology ... #Surgery #KUB #CT ... IntestinalVolvulus #NEJM

Disseminated Blastomycosis - Computed tomography (CT) of his chest showed an infiltrate in the right upper

Computed tomography (CT ... budding (Panel C) #Clinical ... Blastomycosis #CT ... BroadBasedBud #Microscopy #NEJM

Physical examination revealed extensive umbilicated papules (Panel A). A biopsy specimen obtained from a papule showed

silver stain; the arrow ... #Clinical #Derm ... TalaromycesMarneffei #NEJM

Chest radiography showed perihilar opacities in both lungs with free air in the mediastinum (Panel A,

mediastinum (Panel A, arrows ... pneumomediastinum (Panel B, arrows ... #Clinical #PCC # ... Pneumomediastinum #Influenza #NEJM

Pneumorrhachis, Pneumothorax, and Subcutaneous Emphysema - The entrapped air gained access to the epidural space, which

Panels B and D) #Clinical ... #Radiology #CT ... Pneumorrhachis #NEJM

On the PET-CT there is both a tumor in the left lung, aswell as in the

On the PET-CT there ... indicated by the arrow ... #Clinical #Radiology

Acute Varicocele Revealing Renal Cancer - Examination of the scrotum revealed an enlarged varicose vein along

cord (Panel A, arrows ... tumors (Panel B, arrows ... ) #Clinical #Honc ... Varicocele #Scrotal #NEJM

Calcific Pancreatitis Associated with Alcohol Use - A computed tomographic scan of the abdomen showed extensive

#Clinical #Radiology ... #CT #Pancreatitis ... Calcific #Chronic #NEJM

Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the

diameter (black arrow ... cigarettes (white arrow ... #NEJM #clinical ... #radiology #CT #

Infected Urachal Cyst - Computed tomography of the abdomen revealed a cystic mass, which extended from

bladder (Panel B, arrow ... #Clinical #Radiology ... UrachalCyst #Umbilicus #NEJM

Fibromuscular Dysplasia of the Brachial Artery - Right brachial angiography revealed a “string of beads” pattern

beads” pattern (arrows ... #Clinical #Radiology ... BrachialArtery #Congenital #NEJM

Magnetic resonance imaging of the brain revealed an arachnoid cyst, measuring 12.3 cm by 16.5 cm

#Clinical #Radiology ... #MRI #Arachnoid ... ArachnoidCyst #NEJM

Ocular Rosacea - Slit-lamp examination revealed telangiectasia with hyperemia of the eyelid margins, conjunctival hyperemia, and

eye (Panel A, arrow ... eye (Panel B) #Clinical ... Pseudopterygium #NEJM

Herpetic Whitlow - The finger was noted to have visible vesicles, and the fingertip became pale

lesions (Panel C, arrow ... ) #Clinical #Peds ... HerpeticWhitlow #NEJM

Intermetatarsal Bursitis - MSK Radiology
Imaging Findings:
• T2-hyperintense fluid-like signal and T1-hypointense signal between the first

• Clinical concern ... • The MRI shows ... ligament (orange arrows ... foot #metatarsal #clinical ... #mri #clinical

$Raindrop Skull- ...A skeletal survey showed diffuse osteopenia, a pubic bone fracture, and numerous radiolucent lesions$

confirmed by bone marrow ... plasma cells in the marrow ... #NEJM #clinical

Patellar Fracture with Sleeve Avulsion - Physical examination revealed superior displacement of the patella (Panel A),

pole (Panel B; arrows ... #Clinical #Radiology ... Fracture #Avulsion #NEJM

Pemberton’s Sign in a Patient with a Goiter- Physical examination revealed an enlarged thyroid with no

left (Panel C, arrow ... #clinical #photo ... #NEJM #Pembertons ... sign #radiology #CT

Cerebral Cavernous Malformations - Magnetic resonance imaging of the brain revealed numerous lesions consistent with cerebral

#Clinical #Radiology ... #Neuro #NSG #MRI ... FamilialCerebralCavernousMalformationSyndrome #NEJM

Empyema Necessitatis - Physical examination revealed a tender, bulging anterior thoracic mass and a small ulcerative

wall (Panel C) #Clinical ... Pulm #Radiology #CT ... #Necessitatis #NEJM

Gastric Gyri - Pediatric Ménétrier’s Disease - Computed tomography with contrast material (Panel A shows the

#Clinical #Peds ... GI #Radiology #CT ... RugalHypertrophy #NEJM

Eye Injury from a Firecracker - Slit-lamp examination of the left eye revealed multiple foreign bodies

bodies (Panel B) #Clinical ... Firecracker #Eye #CT ... Cornea #Orbit #NEJM

Aortocoronary Saphenous-Vein–Graft Aneurysms - Radiography of the chest revealed a mediastinal, hilar mass lesion on the

side (Panel A, arrows ... #Clinical #Radiology ... Aneurysm #SVG #NEJM

Pigmented Macule - A Skin Manifestation of Invasive Breast Cancer - However, a pigmented macule that

areola (Panel A, arrow ... #Clinical #Derm ... PigmentedMacule #Microscopy #NEJM

Neurogenic Megacolon in Spinal Cord Injury - Computed tomography of the abdomen revealed massive dilatation of

B, asterisks) #Clinical ... Neurogenic #Megacolon #CT ... #NEJM

Katayama Fever - Physical examination and diagnostic testing revealed multiple small papules on the trunk (Panel

radiograph (Panel B, arrows ... #Clinical #Radiology ... KatayamaFever #Rash #NEJM

Hemothorax after Thoracentesis - Unfortunately, hemothorax developed shortly after the procedure (Panel B). Computed tomography and

embolization (Panel D) #Clinical ... Hemothorax #CXR #CT ... Thoracentesis #NEJM

Retinoblastoma - MRI
• Most common intra-ocular neoplasm in children.
• Clinical Presentation: leukocoria (loss of

Retinoblastoma - MRI ... • Clinical Presentation ... to bone, bone marrow ... Retinoblastoma #MRI

$When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow). Sometimes a$

appearance (blue arrow ... Sometimes a CT is ... #Clinical #Radiology

Carotid-Cavernous Sinus Fistula - Examination was notable for normal results of nasal endoscopy. However, in the

Panels B and C, arrows ... #Clinical #Radiology ... CarotidCavernousSinus #Fistula #NEJM

he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the

he CT shows a lesion ... thickening (red arrow ... the mass (blue arrows ... #Clinical #Radiology

Tracheobronchomegaly - A preoperative chest radiograph was reassessed, and postoperative computed tomography confirmed tracheobronchomegaly (Panel A,

#Clinical #Radiology ... #CXR #CT #Tracheobronchomegaly ... #NEJM

Zenker’s Diverticulum - A barium swallow examination showed stasis of barium in the upper esophagus with

C6 vertebrae (arrow ... #Clinical #Radiology ... KilliansTriangle #NEJM

Vertebral Hydatidosis- Physical examination revealed impaired sensation in both legs and weak foot flexion. Laboratory tests

component (Panel A, arrow ... #clinical #radiology ... #MRI #NEJM #vertebral

Laryngeal Ultrasound - Vocal Cords while talking on POCUS

What was the most likely indication for this

Unlike CT and MRI ... Talking #Larynx #clinical

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Adrenal Metastases on Renal POCUS
Pt complains of right flank pain, n/v. States feels like prior kidney

Ultimately had CT ... and MRI done. ... #Renal #POCUS #clinical

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Right Ventricular Non-compaction on Ventriculogram

See dye stasis in recesses for long. Noncompaction of RV. Difficult to

MRI & 128 slice ... CT confirmed our ... Ventriculogram #clinical

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Traumatic Spondylolisthesis of the Axis - A lateral radiograph (Panel A) showed disruption of the intervertebral

anterior fragment (arrow ... #Clinical #Radiology ... HangmansFracture #NEJM

Subchondral Insufficiency Fracture
Imaging Findings:
• Circle demarcating the region of edema within the medial femoral condyle.

marked surrounding marrow ... sclerosis with central marrow ... Insufficiency #Fracture #clinical ... #mri #clinical

Intraocular Infection with a Trematode - Slit-lamp examination of the right eye revealed corneal edema, blood

anterior chamber (arrow ... #Clinical #Ophth ... FlukeInfection #SlitLamp #NEJM

Hypopyon and Klebsiella Sepsis - The slit-lamp examination showed the presence of hypopyon (a collection of

Panels B and C, arrows ... , arrowheads) #Clinical ... KlebsiellaPeumoniae #NEJM

Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
• Hyperintense marrow edema of the anterolateral femoral condyle

• Hyperintense marrow ... • Marrow contusions ... have subchondral marrow ... patella #knee #clinical ... #mri #clinical

Dilated Common Bile Duct on POCUS
50's yo patient with RUQ abd pain. Vitals stable/afebrile. Labs: WBC

Subsequently had CT ... scan and MRI/MRCP ... POCUS #ultrasound #clinical

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Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of

the chest film (arrow ... On the CT we can ... #Clinical #Radiology

Gartner’s Duct Cyst - A physical examination revealed a smooth, nontender mass, 5 cm in the

#Clinical #Obgyn ... #Radiology #MRI ... Gartner #Congenital #NEJM

Tuberculosis of the Finger- ...Physical examination of the affected finger revealed soft-tissue swelling, with erythema and

bacilli (Panel B, arrow ... #clinical #photo ... #NEJM #Fite #stain

Secundum atrial septal defect (ASD) CardiacCT. In nl development, the ostium secundum allows placental blood to

; As part of a MMI ... approach, CT can ... @AChoiHeart #Clinical

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Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
• Large volume ofT2-hyperintense fluid

• Marked marrow ... result in bone marrow ... tendons #tubercle #clinical ... #mri #clinical

Plantar fasciitis - MSK Radiology
Imaging Findings:
• Thickening of the plantar fascia central band (measuring 9mm)

• MRI: T1/PD intermediate ... edema and reactive marrow ... Plantar #fasciitis #clinical ... #mri #clinical

Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually

populations) CLINICAL ... , Spleen, Bone marrow ... Imaging: X-rays, CT ... , or MRI to identify ... PET-CT / MRI: Staging

Amebic Liver Abscess- ...Computed tomography of the abdomen performed after the administration of contrast material revealed

#NEJM #amebic #liver ... #abscess #clinical ... #radiology #CT

Tuberculous Peritonitis- ...A computed tomographic scan obtained after the administration of contrast material showed a large

#clinical #NEJM ... #radiology #CT #

Eosinophilic Otitis Media - Otoendoscopy revealed polypoid masses in the external canals of both ears. The

eosinophils (Panel B, arrows ... ears (Panel C) #Clinical ... EosinophilicOtitisMedia #Microscopy #NEJM

Lymphangioleiomyomatosis- Computed tomography of the chest, reconstructed in the coronal plane at the level of the

#clinical #Lymphangioleiomyomatosis ... LAM #radiology #CT ... wedge #biopsy #NEJM

Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%

cells of the bone marrow ... plasmacytoma) Clinical ... • 18F-FDG PET/CT ... Biopsy • Bone marrow ... years • SEP + Marrow

Bilateral Vestibular Schwannomas in Neurofibromatosis Type 2- ...Magnetic resonance imaging of the brain performed after the

#NEJM #clinical ... #radiology #MRI

Thumbprinting in Ischemic Colitis- Contrast-enhanced computed tomography of the abdomen, performed to evaluate the possibility of

ischemic #colitis #clinical ... #radiology #CT ... thumbprinting #sign #NEJM

Corrigan’s Pulse and Quincke’s Pulse- ...While the patient was sitting upright, the right carotid artery was

pulse (Panel A, arrow ... pulse (Panel B, arrow ... #clinical #photo ... #NEJM #corrigans

Tuberculous Pericarditis- On examination, the patient’s neck veins were distended, and heart sounds were muffled. An

tamponade (Panel A [arrow ... #NEJM #clinical

Small Bowel Obstruction
67 y/o M with PMH colon cancer s/p resection and colostomy, multiple SBO managed

POCUS: 9.55 for clinical ... radiographs, 3.6 for CT ... , and 6.8 for MRI ... Emergency Medicine #Clinical

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except at the apex (arrow ... right ventricular MI ... #Clinical #POCUS

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Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated

#NEJM #clinical ... #radiology #CT #

Cardiac LV Thrombus on Echocardiogram Short-Axis View (PSAX)
48 year old woman in ICU for acute ischemic

cultures, cardiac MRI ... , CT TAP are all ... Echocardiogram #PSAX #clinical

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Cardiac LV Thrombus on Echocardiogram (A4C)
48 year old woman in ICU for acute ischemic limb. PMHx

cultures, cardiac MRI ... , CT TAP are all ... Echocardiogram #A4C #clinical

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Morel-Lavallée Lesion - MSK Radiology
Imaging Findings:
• Large, smoothly marginated, well-circumscribed mass along the medial myofascial

symptoms of and/or clinical ... attenuation on CT ... Lavallee #Lesion #clinical ... #mri #clinical

Babesiosis on Peripheral Smear
85 M from SE USA, hx splenectomy, IgG4 plasmacytic syndrome: F, chills, profound

inclusions, improved clinically ... common in NY, NJ, CT ... , RI, MA, MN, WI ... babesia #microti #clinical

Monoclonal Gammopathy of Renal Significance (MGRS)

MGRS
• MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins

Clinical Clues: ... assay • Bone marrow ... clone detection • CT

Bladder outlet obstruction (BOO)

Functional obstruction may be caused by detrusor-sphincter dyssynergia (DSD), either at the level

estimated on U/S, CT ... & MRI with: Width ... of symptoms is critical

Aortic dissection on Cardiac CTA

This is a amazing gated CTA showing a real time cine clip

usually made by a CT ... as well as an MRA ... CardiacCTA #CCTA #clinical

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Intraoperative Cardiac Free Wall Rupture
Free wall rupture...yes we can save them
Following a syncope event, a 72-y

pericardial effusion, CT ... the OR for post MI ... cardiothoracic #surgery #clinical

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