11 results
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
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
Erythema Ab Igne ... a skin reaction ... #PhysicalExam #clinical ... #video #skin #dermatology ... #rash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne ... on the back of hands ... • A chronic skin ... comparison #table #differential ... #diagnosis #dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... skin of inflamed ... hyperkeratotic w/ erythema ... Variety #type #clinical ... #photo #foot #dermatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... tapioca-like vesicles on hands ... Well-demarcated erythema ... Eczematous #SkinRash #dermatology
Gottron's Papules in Dermatomyositis

Another classic clue is Gottron's papules which are small grouped flat topped papules
surrounded by erythema ... Gottrons #Papules #Rash ... Dermatomyositis #Dermatology ... #Clinical #Photo ... #Hands #Knuckles
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Skin rash and malaise ... the palms of the hands ... #Diagnosis #Clinical ... #Photo #Dermatology
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
on sun-damaged skin ... collarette of scale • Tinea ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #rash #differential
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP