19 results
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... Lesions - Differential ... Diagnosis • Infections ... Metastases (lung, breast ... StanfordChiefs #CNS #Ring
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Immunocompetent Multiple Ring-Enhancing ... Infectious: ... an incomplete ring ... differential #diagnosis #causes
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Breast Discharge ... Pregnancy, Breast ... Stalk Compression/Lesion ... Contraceptive Pill/Patch/Ring ... Endocrinology #Causes
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring ... trapping A signet-ring ... dilated bronchus (ring ... The most common cause ... Diagnosis #Radiology #Pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
crescent or complete ring ... Causes: Mucormycosis ... Causes: Granulomatosis ... organizing pneumonia, Pulmonary ... Differential #Diagnosis #pulmonary
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
dysfunction • Imaging: ring-enhanced ... lesion Pott's Disease ... surrounding edema and ring-enhancement ... lesion Tuberculous ... neurological symptoms • Caused
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... Infections - ... serpiginous or ring-shaped ... Lipschutz ulcer Vulvar lesions ... Ulcers #Atypical #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Imaging: - MRI - ring ... parietal - Size lesions ... Demyelinating disease caused ... periventricular areas ... punched-out" cystic lesions
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Metastases ("cannonball lesions ... Colon, Kidney, Breast ... , Testicle) Infection ... Diagnosis #Algorithm #Causes ... #Pulmonary
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... white or yellow areas ... white ischemic lesions ... hypo-pigmented ring ... around atrophic areas