12 results
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
this patient's hand ... this case, they are ... Photo credit, Josh ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... sterile and are ... Irregular pustules on hands ... #Lesions #Differential ... #Diagnosis #Dermatology
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
nodular rash of arm ... trauma leads to skin ... papulonodular lesions ... Infection #clinical #photo ... #hand
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... injury) • Neurologic ... test (this is a skin ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... with sparing of hands ... arms, deposition ... lesions, or localized ... comparison #table #dermatology
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 ... the palms of the hands ... Diagnosis #Clinical #Photo ... #Dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... , neurologic, and ... cognitive impairment, neurologic ... occasional oligoclonal bands
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... - Supranuclear lesions ... Redundant eyelid skin ... #Differential # ... Diagnosis #ophthalmology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... hemorrhage, which are ... reddish-purple lesions ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
on the back of hands ... classic targetoid lesions ... • Causes are multiple ... comparison #table #differential ... #diagnosis #dermatology