10 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... • 80% with lung ... #Brain #differential ... #diagnosis #causes
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
bilateral white matter lesions ... well-defined than PML lesions ... white matter and posterior ... The clinical syndrome ... disorder #dementia #AIDS
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
syphilis, and HIV ... Posterior Cord ... patients with a long ... involved & the posterior ... #lesions #differential
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... Case description ... hallucis longus Differential ... osteochondral lesion ... Trigonum #OsTrigonum #Syndrome
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Polymorphic skin lesions ... factor • May cause ... #AIDS #pulmonary ... #differential #
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... showing cortical lesions ... Reversible course Differential ... the underlying cause ... until cause identified
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... affecting the Brain ... pachymeningitis • HIV ... lesions and clinical ... noninflammatory #differential
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... respiratory distress syndrome ... Transfusion-related acute lung ... edema (Traumatic brain ... #diagnosis #cardiology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
to have a "wood-grain ... cancers, including lung ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... Cholesterol emboli syndrome ... #Endocarditis #Differential ... #Diagnosis #cardiology