6 results
Anaplastic large cell lymphoma, ALK+
Clinical
 • First 3 decades of life, M>F
 • Often nodal +
Lymphohistiocytic pattern ... • Small cell pattern ... sometimes fried-egg ... • Hodgkin-like pattern ... • Composite pattern
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Myocarditis: • Diffuse ... Early-repolarization pattern ... leads • S1Q3T3 pattern ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
recent DAN) • EMG ... Goodpasture's cause ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... • IF staining patterns
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
Common features and patterns ... Seen in systemic causes ... o Peripheral patterns ... after infections (e.g ... Drug Reactions: Diffuse
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
• Vascular (e.g ... • Neurologic (e.g ... • Chemical (e.g ... (>50 years) P Pattern ... Primary #Secondary #Comparison
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
most common types Patterned ... patches; rarely diffuse ... alopecia in 5% of cases ... with animals (eg