11 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... • 80% with lung ... , may also see skin ... #Brain #differential ... #diagnosis #causes
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... negative culture Brain ... Toxoplasmosis, Entamoeba Skin ... #Diagnosis #InfectiousDiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... #Concurrent #Differential ... #Diagnosis #causes ... #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... #Concurrent #Differential ... #Diagnosis #causes ... #infectiousdiseases
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
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
affecting the Brain ... neoplasms (e.g., nasal squamous ... cell carcinoma) ... LHON) plus MRI lesions ... noninflammatory #differential
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... lymphocytes, plasma cells ... lesions, or localized ... hematopoietic stem cell ... #Diagnosis #comparison
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • Polymorphic skin ... lesions (papules ... lesions (pustules ... #diagnosis #infectiousdiseases
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Nodular or cavitary lesions ... Advanced HIV (CD4 cell ... NTM #Infections #differential ... #diagnosis #infectiousdiseases
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
scale • Basal cell ... • Squamous cell ... hyperkeratotic lesions ... honey-colored crusts ... dermatology #rash #differential