14 results
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
sclerosis (white "ash ... Localized Acquired • Tinea ... Hypopigmentation #disorders ... #skin #dermatology ... #causes
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... of hair, eyes, skin ... sclerosis (white "ash ... #skin #dermatology ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Differential Diagnosis Algorithm ... lasts <24hrs • Erythema ... Reactive #SkinRash #dermatology ... #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... covering the foot, hence ... skin of inflamed ... #foot #dermatology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Differential Diagnosis Algorithm ... Melasma Abdomen • Linea ... • Palmar erythema ... #dermatology #Differential ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Vasculitis - Collagen disorders ... infection - RMSF - Henoch ... cryoglobulins • Skin ... #Causes #dermatology
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... • Melasma • Tinea ... Hyperpigmentation #disorders ... #skin #dermatology ... #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... Papulosquamous #SkinRash #dermatology ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Folliculitis decalvans, Tinea ... Capitis - Skin ... Broken Hair Shafts: Tinea ... , erosions, or erythema ... Differential #Diagnosis #dermatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Well-demarcated erythema ... Eczematous #SkinRash #dermatology ... #causes