11 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... parallel to lines of skin ... - Differential diagnosis ... #photo #PhysicalExam
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... • Extremes of age ... cryoglobulins • Skin ... #dermatology #physicalexam
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... heaped, wart-like lesions—Condyloma ... resembling rashes caused ... #Diagnosis #Clinical ... #Photo #Dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... classic targetoid lesions ... Erythemas #comparison #table ... #differential #diagnosis ... #dermatology #compared
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
. diagnosis? ... lesion which may ... be seen in travelers ... unless multiple lesions ... #clinical #photo
Acute Generalized Exanthematous Pustulosis (AGEP)

AGEP is largely a clinical diagnosis based on classical skin findings in
a clinical diagnosis ... based on classical skin ... Causes? ... is caused by medications ... can present with lesions
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
lesions • Mononeuritis ... tract, and often causes ... mucositis - Rash ... Takayasu: - Age ... temporal artery - Age
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Takayasu: • Age ... temporal artery • Age ... , mucositis • Rash ... tract, and often causes ... #Rheumatology
Illustrative example of a patient with acrodermatitis chronica atrophicans. 

Acrodermatitis chronica atrophicans is a late skin
atrophicans is a late skin ... atrophicans is diagnosed ... women >40 years of age ... Lyme Borrelia may cause ... #Rash #LymeDisease
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... Diagnosis? ... human-to-human w/ lesions ... SkinRash #clinical #photo ... #dermatology