8 results
Ecchymosis: Bluish discoloration of skin caused by bruising with resultant subcutaneous collection
of blood.

Charlie Goldberg, M.D. -
discoloration of skin ... caused by bruising ... Images #Clinical ... #Dermatology #Ecchymosis ... #Arm #Photo #UCSDH
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... reticularis Differential ... • Giant cell arteritis ... Polyangiitis #GPA #dermatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... These are CLASSIC ... Differential diagnosis ... • PVNS/Giant Cell ... #msk #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
ulcerations • Skin ... auricular papules Clinical ... CD4+/CD8+ ratio are ... • Arthralgia/arthritis ... #dermatology #diagnosis
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
blisters containing pus ... Rheumatic pain Clinical ... nonerosive inflammatory arthritis ... Rule out other causes ... diagnosis #management #Dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... loss, arthralgia, arm ... bruits, asymmetric arm ... tract, and often causes ... #Diagnosis #Rheumatology
Cutaneous Mucormycosis Eschar
30 M HIV cd4 10 VL 30k traumatic injury of arm few months ago
traumatic injury of arm ... immunosuppressed pts ... steroid use Dx: skin ... Mucormycosis #Eschar #dermatology ... #skin #clinical
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... ) • Anti-Mi2 (skin ... • Nonerosive arthritis ... statins - probably caused ... #differential #