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

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... sclerosis (white "ash ... Tanning • Adverse cutaneous ... • Addison's disease ... #dermatology #Differential
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... nummular eczema, tinea ... Pityriasis #rosea #clinical ... #dermatology #photo
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Commonly mistaken for tinea ... drugs, systemic disease ... Centrifugum #EAC #clinical ... #photo #dermatology
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Exanthem - Lyme Disease ... Syphilis - Lyme Disease ... Macules #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... causes: infections (cutaneous ... early localized disease ... • A chronic skin ... differential #diagnosis #dermatology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
appearing during the disease ... Pyoderma gangrenosum, Erythema ... differential #diagnosis #dermatology ... #oncology #clinical ... #skin
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... skin of inflamed ... University Infectious Diseases ... Variety #type #clinical ... #photo #foot #dermatology
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... Tanning • Adverse cutaneous ... • Addison's disease ... • Melasma • Tinea ... #dermatology #Differential
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
migrans skin Rash ... Diagnosis is clinical ... rates of recurrent disease ... migrans #skinRash #dermatology ... #clinical #photo
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... sudden onset of a rash ... - Rash: multiple ... Most common extra cutaneous ... Syndrome #diagnosis #dermatology