12 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Scleroderma • Amyloidosis ... gangrenosum • IBD ... #rashes #differential
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
Extravasation of blood ... which allow red blood ... - This iron causes ... brown tint of the rash ... Dermatoses #Dermatosis #differential
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Skin Rash on Physical ... Exam 60 year old ... rigors, diarrhea, nausea ... Your blood cxs identify ... #photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Cholesterol embolism - Amyloidosis ... cryoglobulins • Skin ... #Differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease or more commonly ... GPA causes disease ... Maculopapular rash ... reticularis Differential ... vasculitis (inflamed blood
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
nephropathy is common ... Infiltration of muscles Skin ... • Periorbital purpura ... waxy or thickened skin ... Diagnostic Testing Blood
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Drug Associated (Commonly ... mucositis - Rash ... pulses, bruis, or blood ... Large Vessel: Blood
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
- Rash: multiple ... Internal organs Most common ... Causes: - Idiopathic ... multiforme - Dermatomyositis ... neutrophils in the blood
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... pulses, bruits, or blood ... Nodosa: • PAN most commonly ... , mucositis • Rash ... tract, and often causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... - Trunk - Red, blood-filled ... #dermatology #rash ... #differential # ... #common #distribution