12 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Pattern: • Scarring ... Hair Loss Pattern ... Alopecia: - Pattern ... alopecia in men (male pattern ... pattern hair loss
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Radiology #Pulmonary #CXR
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... and Focal) Differential ... Diagnosis Algorithm ... planopilaris Pattern ... #causes
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- Differential ... Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... #algorithm
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... (Alopecia) - Differential ... Diagnosis Algorithm ... planopilaris Pattern ... #causes
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... The most common causes ... only mild volume loss ... Diagnosis #Radiology #CXR ... Lobar #Collapse #Patterns
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
nasal, hearing loss ... Goodpasture's cause ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... • IF staining patterns
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... malaise, weight loss ... - Imaging: • CXR ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Myocarditis: • Diffuse ... Early-repolarization pattern ... leads • S1Q3T3 pattern ... Electrolyte Disorders
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
most common types Patterned ... hair loss: - Age ... patches; rarely diffuse ... other psychiatric disorders ... Alopecia #types #differential