7 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... - Secondary to Skin ... • Discoid lupus ... Shafts • Tinea ... #dermatology #Differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Localized / Focal ... Capitis - Skin ... Alopecia: Lupus ... #dermatology #Hairloss
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... Algorithm Scarring ... - Secondary to Skin ... • Discoid lupus ... #dermatology #Differential
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- small oval scaling ... parallel to lines of skin ... - Differential diagnosis ... nummular eczema, tinea ... #photo #PhysicalExam
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... soles • Discoid Lupus ... Papulosquamous #SkinRash
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
alopecia • Red ... with keratotic scaling ... cells -> Incr local ... inflammation on skin ... pathophysiology #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Heals without scarring ... and permanent alopecia ... Differential Diagnosis ... • Nonscarring alopecia