8 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 ... gangrenosum • IBD ... Antiphospholipid-antibody syndrome ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Suspect: Clinical ... 3rd Decade Skin ... rashErythematous ... Kikuchi disease • Type-I ... Chronic B-cell activation
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... . pruritic, erythematous ... Moccasin type ... skin of inflamed ... #clinical #photo
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Demyelinating syndromes ... #systemic #erythematosus
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Clinical Presentation ... Petechial or purpuric rash ... [SLE], AOSD) • ... #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... : • Clinical triad ... reticularis & skin ... systemic lupus erythematosus ... classification #rheumatology
Penicillin Allergy Pathway for Antibiotic Prescription in Patients With Penicillin Allergy
Mild Reaction - Itching, Minor rash
(mild type IV HSR ... mucosal involvement, skin ... Stevens-Johnson syndrome ... systemic symptoms syndrome ... there is a strong clinical
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... of shoulder and hip ... : Erythematous nodules ... , mucositis • Rash ... Differential #Diagnosis #Rheumatology