13 results
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 ... papulonodular lesions ... #clinical #photo ... #hand
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
) of the Hand 70 ... diffuse palpable rash ... Differential for ... #Hand #skinrash ... dermatology #clinical #photo
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Irregular pustules on hands ... Generalized itchy rash ... #Lesions #Differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Skin lesions associated ... reticularis Differential ... • Goodpasture syndrome ... #dermatology #rash
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... treatment, the infection ... heaped, wart-like lesions—Condyloma ... the palms of the hands ... Diagnosis #Clinical #Photo
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... +/- myocardial infarction ... test (this is a skin ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... on the back of hands ... gyratum repens • A skin ... classic targetoid lesions ... comparison #table #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... to exclude are infections ... , mucositis • Rash ... occasional oligoclonal bands
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... lesions • Mononeuritis ... mucositis - Rash ... to exclude are infections ... • HIV • HBV HCV
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... papulosquamous lesions ... permanent alopecia Differential ... fibromyalgia) • Infections ... Seizures • Strokes Skin