33 results
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Primary Dermatologic ... Diagnosis Algorithm ... Psoriasis • Alopecia ... NailDisorders #Primary #dermatology ... #causes
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Streptococcal infection ... #Dermatology #SkinRash ... #Photo #UCSDH
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin ... , erosions, or erythema ... #Differential # ... Diagnosis #dermatology
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Diagnosis Algorithm ... Reactive #SkinRash #dermatology ... #causes
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diffuse and Focal) Differential ... Diagnosis Algorithm ... - Secondary to Skin ... #dermatology #Differential ... #causes
Tinea Versicolor: Scaly well demarcated patches caused by fungal skin infection.

Charlie Goldberg, M.D. - UCSD Catalog
demarcated patches caused ... by fungal skin ... infection. ... Images #Clinical ... #Photo #Dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... • A chronic skin ... comparison #table #differential ... #diagnosis #dermatology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
in Pregnancy - Differential ... Diagnosis Algorithm ... • Palmar erythema ... #dermatology #Differential ... #causes
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Most cases are idiopathic ... associations with infections ... Centrifugum #EAC #clinical ... #photo #dermatology
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
) - Differential ... Irreversible-biopsy required - Infectious ... - Secondary to Skin ... Focal #Localized #dermatology ... #causes