10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Crohn's disease Palpable ... gangrenosum • IBD ... Antiphospholipid-antibody syndrome ... #differential #diagnosis
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
and increased skin ... brown tint of the rash ... lesions and erythematous ... eczematous features • Mild ... #differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... Maculopapular rash ... • Petechiae • Palpable ... • Goodpasture syndrome ... #dermatology #rash
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Demyelinating syndromes ... #systemic #erythematosus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and/or pulmonary capillaritis ... : erythematous nodules ... mucositis - Rash ... -> causing palpable ... vasculitis, and SLE
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... rashErythematous ... Differential Diagnosis ... Seizures • Strokes Skin ... #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... : Erythematous nodules ... , mucositis • Rash ... , palpable purpura ... ) • Palpable purpura
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Skin ulcers ... Clinical triad of Palpable ... reticularis & skin ... Labs/Diagnosis: ... systemic lupus erythematosus
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
easy bruising to purpura ... (Petechial or purpuric ... rash) • Heart, ... [SLE], AOSD) • ... #Diagnosis #Management
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
sweats (28%) • Skin ... rash (48%) • ... enzymes ↑ • Mild ... • New onset SLE ... test is capable