37 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Focal Hair Loss Pattern ... : • Scarring Alopecia ... : • Scarring Alopecia ... (male pattern hair ... , pustules, crusts
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... DIFFUSE Scarring ... planopilaris Pattern ... Differential #Diagnosis #Algorithm ... #causes
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... nodules, notice sparing ... #Clinical #Radiology ... CTChest #Nodular #Pattern ... #Comparison #Table
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Differential Diagnosis Algorithm ... , plaques with scaling ... Christmas tree pattern ... Differential #Diagnosis #Algorithm ... #causes
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Differential Diagnosis Algorithm ... Scarring - Irreversible-biopsy ... planopilaris Pattern ... Differential #Diagnosis #Algorithm ... #causes
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... woman of child-bearing ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... nodules, notice sparing ... #Clinical #Diagnosis ... CTChest #Nodular #Pattern ... Differential #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... woman of child-bearing ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Differential Diagnosis Algorithm ... Scarring - Irreversible-biopsy ... Aplasia cutis Non-Scarring ... Differential #Diagnosis #Algorithm ... #causes
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Erythematosus Clinical ... Cutaneous domain: Non-scarring ... alopecia, Oral ... #EULARACR #Classification