11 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
- Differential Diagnosis ... Localized Acquired • Tinea ... • Melasma • Tinea ... disorders #skin #dermatology ... #Algorithm #causes
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
- Differential Diagnosis ... Localized Acquired • Tinea ... disorders #skin #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
Tinea Versicolor ... dermatophyte infection Caused ... recalcitrant) #Tinea ... #Versicolor #Dermatology ... #SkinRash #Diagnosis
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Commonly mistaken for tinea ... Most cases are idiopathic ... clinical #photo #dermatology ... #skinrash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Diagnosis? ... tinea pedis: Trychophyton ... tinea pedis is more ... Moccasin tinea pedis
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
- Differential Diagnosis ... • Melasma • Tinea ... disorders #skin #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Melasma Abdomen • Linea ... Hormone induced • Hyperpigmentation ... Skin • Palmar erythema ... Pregnancy #skin #dermatology ... #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
form of delayed-type ... dermal macular hyperpigmentation ... #comparison #table ... #differential #diagnosis ... #dermatology #compared
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
- Differential Diagnosis ... Herald's atch • Tinea ... Papulosquamous #SkinRash ... #dermatology #Differential ... #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
background of hyperpigmentation ... collarette of scale • Tinea ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #differential #diagnosis