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

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
totalis (all scalp ... Disease • Discoid ... Diffuse #Focal #HairLoss ... #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
cellulitis of the scalp ... Skin Disease: Discoid ... Scaling, pustules, crusts ... Differential #Diagnosis #dermatology ... #Hairloss
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous - Pruritic/Scaly ... - Coin shaped (discoid ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss (Alopecia ... Disease • Discoid ... Secondary syphilis #HairLoss ... #Localized #dermatology ... Diagnosis #Algorithm #causes
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss (Alopecia ... totalis (all scalp ... stress #Diffuse #HairLoss ... #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
classic trailing scale ... Classically has a rim of scale ... Most cases are idiopathic ... clinical #photo #dermatology ... #skinrash
Psoriasiform Scalp Findings in Dermatomyositis

Scalp: DM patients can present with a psoriasiform scalp eruption characterized redness,
Psoriasiform Scalp ... and non scarring alopecia ... presenting sign in some cases ... #sign #SkinRash ... Dermatomyositis #Dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
with overlying scale ... and soles • Discoid ... Papulosquamous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes