29 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... Auscultation, X-ray ... Diagnosis #Central #Cardiology ... #Causes #Table ... #Comparison
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
) - Differential ... Framework and Management ... semi-recumbent position 3) Ask ... #Differential # ... #cardiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Diagnosis • Chest ... XRay: Classic “ ... snowman sign” can ... Pre-Operative Management ... #cardiology #peds
Diagram of different types of bone tumors that can occur around the knee on XRay -
around the knee on XRay ... blade of grass sign ... Diagnosis #Bony #Differential ... #Radiology #XRay ... #msk #lesions #
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
X-ray 0.001 mSv ... X-ray 0.1 mSv 10 ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
14th CXRs 2-view chest ... 200 CXRs Chest ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... Elbow #Humerus #Radiology ... #XRay #Diagnosis ... #MSK