15 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... can present with rash ... sign, and Gottron's ... anti-synthetase syndrome ... see mechanics hands
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 ... #hand
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... syndrome (SSS) ... , the differential ... erythematous rash ... #Erythematous #Rash
Cushing's Syndrome - Moon Facies, Buffalo Hump, Abdominal Striae, Thin Skin

A young man presents with rapid
Cushing's Syndrome ... Abdominal Striae, Thin Skin ... the patient's hand ... Next diagnostic ... #Signs #MoonFacies
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 ... the palms of the hands ... #Diagnosis #Clinical ... #Photo #Dermatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
of Lumbar Spine and ... arthritis - (Reiter’s syndrome ... arthritis - with the skin ... formation, systemic autoimmune ... 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 ... SAPHO syndrome (
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
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... test (this is a skin ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology ... #signs #symptoms