6353 results
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
Tinea Versicolor ... erythematous Diagnosis ... recalcitrant) #Tinea ... #Versicolor #Dermatology ... #SkinRash #Diagnosis
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
lesion parallel to lines ... - Differential diagnosis ... nummular eczema, tinea ... rosea #clinical #dermatology
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
- Differential Diagnosis ... Localized Acquired • Tinea ... disorders #skin #dermatology ... #Differential #Diagnosis
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 ... #Differential #Diagnosis
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... Infectious • Tinea ... Shafts • Tinea ... HairLoss #Alopecia #dermatology ... #Differential #Diagnosis
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Diagnosis? ... Moccasin type tinea ... Moccasin tinea pedis ... #photo #foot #dermatology
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
- Differential Diagnosis ... Infectious • Tinea ... Shafts • Tinea ... Focal #Localized #dermatology ... #Differential #Diagnosis
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
- Differential Diagnosis ... • Melasma • Tinea ... disorders #skin #dermatology ... #Differential #Diagnosis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
- Differential Diagnosis ... Herald's atch • Tinea ... Papulosquamous #SkinRash #dermatology ... #Differential #Diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
- Differential Diagnosis ... Folliculitis decalvans, Tinea ... Broken Hair Shafts: Tinea ... #Differential #Diagnosis ... #dermatology #Hairloss