33 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... Antiphospholipid-antibody syndrome ... • Vasculitis ... differential #diagnosis
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
progressive infection ... As the infection ... occurs deep to the skin ... pain that these ... Images #Clinical #Photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract: abdominal pain ... • Cogan Syndrome ... to exclude are infections ... , testes -> pain
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... : • Infection: ... entrapment • Infections ... syndromeShin ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... to exclude are infections ... occasional oligoclonal bands ... #Differential #
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Differential Diagnosis ... Viral: Measles, Infectious ... Zoster, Coxsackie (hand ... , DRESS, Sweet syndrome ... , Vasculitis SCVMC
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
for months wax and ... trauma leads to skin ... biopsy preferred Differential ... #clinical #photo ... #hand
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
burning sensation or pain ... reticularis Differential ... • Goodpasture syndrome ... cell arteritis Infections ... diseases • Fungal infections
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... +/- myocardial infarction ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology ... Nonsurgical abdominal pain
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Irregular pustules on hands ... SAPHO syndrome ( ... with rheumatic pain ... Sweet syndrome