9 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... • Henoch-Schönlein ... #dermatology #rash ... #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... vasculitis • Henoch ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... infection - RMSF - Henoch ... RA, Sjogren's, GPA ... cryoglobulins • Skin ... #dermatology #physicalexam
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... covering the foot, hence ... skin of inflamed ... #foot #dermatology
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... for research, hence ... .’ 1st human case ... SkinRash #clinical #photo ... #dermatology
Monkeypox

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
disease that is caused ... Characteristic Rash ... Umbilification - Rash ... chain reaction (PCR ... Diagnosis #Management #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... often present • Henoch ... tract, and often causes ... mucositis - Rash ... differential #diagnosis #rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Causes of Monoclonal ... gammopathy, and skin ... amyloidosis Causes ... gastric tumors • Hematology ... differential #diagnosis #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... MPO > PR3 60/ GPA ... often present) Henoch ... tract, and often causes ... Differential #Diagnosis #Rheumatology