28 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Commonly mistaken for tinea ... Most cases are idiopathic ... drugs, systemic disease ... #clinical #photo ... #dermatology #skinrash
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
- Differential ... sclerosis (white "ash ... Localized Acquired • Tinea ... #dermatology #Differential ... #causes
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... nummular eczema, tinea ... Pityriasis #rosea #clinical ... #dermatology #photo
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Diagnosis Algorithm ... sclerosis (white "ash ... • Addison's disease ... #dermatology #Differential ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Diagnosis Algorithm ... Reactive #SkinRash #dermatology ... #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... foods, stress, etc ... • A chronic skin ... comparison #table #differential ... #diagnosis #dermatology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Diagnosis Algorithm ... Melasma Abdomen • Linea ... • Palmar erythema ... #dermatology #Differential ... #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... skin of inflamed ... Variety #type #clinical ... #photo #foot #dermatology
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
caused by chronic ... #EAI #Erythema # ... #PhysicalExam #clinical ... #video #skin #dermatology ... #rash
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diagnosis Algorithm ... - Secondary to Skin ... Disease • ... HairLoss #Alopecia #dermatology ... #causes