10 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 ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... #skin #rashes #differential
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 ... • Goodpasture syndrome ... #dermatology #rash
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... Classification: ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... Clinical Features
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... mucositis - Rash ... systemic lupus erythematosus ... • ANCA (Dx: GPA ... #classification
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Generalized itchy rash ... Erosive pustular dermatosis ... SAPHO syndrome ( ... Sweet syndrome
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... • Autoimmune diseases ... systemic lupus erythematosus ... diagnosis #types #classification ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... ischemia • Skin: Erythematous ... , mucositis • Rash ... MPO > PR3 60/ GPA ... - interstitial keratitis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... presenting with erythematous ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Mucorales, Blastomyces dermatidis ... infection (IFI) in hematologic ... cut-offs defined in clinical ... BAL GM does not differentiate ... colonization vs invasive disease
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
diffuse palpable rash ... Differential for ... Churg-Strauss syndrome ... Vasculitis #LCV #Hand #skinrash ... #dermatology #clinical