12 results
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... colonize human skin ... the key to the diagnosis ... difficult to culture and ... #clinical #photo
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 ... #clinical #photo ... #hand
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... treatment, the infection ... the palms of the hands ... #Diagnosis #Clinical ... #Photo #Dermatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Crystalline - Gout ... of Lumbar Spine and ... within 1 month of infection ... arthritis - with the skin ... like “butterfly rash
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 ... comparison #table #differential ... #diagnosis #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Diagnosis Framework ... Irregular pustules on hands ... Generalized itchy rash ... #Lesions #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Diagnosis: • Systemic ... , mucositis • Rash ... purpura, joint & gut
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Vasculitis (LCV) of the Hand ... diffuse palpable rash ... Diagnosis? ... Differential for ... Vasculitis #LCV #Hand
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Diagnosis Framework ... mucositis - Rash ... to exclude are infections ... Vessels: Supply gut
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
very remarkable w/differential ... vs infection vs ... variably: On one hand ... required due to skip ... required +/- prompt ophthalmology