49 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Chorioretinitis • Diagnosis ... #differential #diagnosis ... #causes #radiology ... #neurology
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... Multiforme - Target lesions ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential Diagnosis ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #causes
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... ringenhancing #lesions ... #cns #brain #diagnosis ... differential #algorithm #causes ... #radiology #neurology
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
- Differential Diagnosis ... / Erythematous lesions ... #Pustular #SkinRash ... #dermatology #Differential ... #causes
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
dermatophyte infection Caused ... erythematous Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis ... #Management
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... (Many causes!) ... encephalitis) • Brain lesions ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... hemorrhagic skin lesions ... deficiencies - PNH ... #Differential #Diagnosis ... #hematology #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... artery aneurysms Diagnosis ... ) Differential Diagnosis ... #management #signs ... #symptoms #rheumatology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... status, and focal neurologic ... Demyelinating disease caused ... #differential #diagnosis