15 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential diagnosis ... Pityriasis #rosea #clinical ... #dermatology #photo ... #PhysicalExam
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... The signs and symptoms ... of the hands and ... #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 ... wane; diagnosis ... trauma leads to skin ... painless, no systemic signs ... #photo #hand
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... scale on elbows & knees ... Auspitz sign, Koebner's ... plaques on palms
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
fingertips ("mechanic’s hands ... auricular papules Clinical ... -74%] • Blood tests ... • Mechanic's hands ... #diagnosis
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
pain involving knees ... rash. ... IgA #Vasculitis #clinical ... #photo #dermatology ... #skin #rash #physicalexam
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
rash. diagnosis ... self-limited Diagnosis ... is clinical & labs ... migrans #skinRash #dermatology ... #clinical #photo
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... Dyshidrotic eczema - Palms ... Psoriasis - Elbows, knees ... #rash #differential ... #diagnosis #skin
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... rubrum is most commonly ... Moccasin tinea pedis skin ... #photo #foot #dermatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
definition: Most common ... Diagnosis = clinical ... variably: On one hand ... the “Chewing gum test ... required due to skip