17 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... reticularis Differential ... cell arteritis Infections ... vasculitis (inflamed blood ... #dermatology #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... RA, Sjogren's, GPA ... : • Complete blood ... #Differential # ... Algorithm #Causes #dermatology
Staphylococcal Scalded Skin Syndrome (SSSS)

A 5-year-old girl presents to the ED with a rash that started
the ED with a rash ... spread to her neck ... upper respiratory infection ... SSSS #Clinical #Photo ... Peds #Pediatrics #Dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Malar rash ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #skin #rashes #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... arteritis • Bloody ... Boutonnière and swan-neck ... Cardiomyopathies - Viral infection ... #joint #pain #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... patches on the face, neck ... Fever + facial rash ... comparison #table #differential ... #diagnosis #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Dermatophyte infection ... Generalized itchy rash ... Skin #Lesions #Differential ... #Diagnosis #Dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... trunk, face or neck ... neutrophils in the blood ... Syndrome #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... mucositis - Rash ... to exclude are infections ... Large Vessel: Blood ... • ANCA (Dx: GPA
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
diffuse palpable rash ... Differential for ... including drugs, infections ... Hand #skinrash #dermatology ... #clinical #photo