11 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
• Extremes of age ... infection - RMSF - Henoch ... Schonlein Purpura ... cryoglobulins • Skin ... #dermatology #physicalexam
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Differential Diagnosis ... polyangiitis • EGPA • Henoch-Schönlein ... #rash #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... Syndrome: • Clinical ... IgA vasculitis (Henoch-Schönlein
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... tract, and often causes ... Takayasu: - Age ... temporal artery - Age
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
inoculate into soft ... dogs & latter can cause ... the key to the diagnosis ... #Rash #dermatology ... #clinical #photo
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Takayasu: • Age ... temporal artery • Age ... often present) Henoch ... Schonlein Purpura ... tract, and often causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... resembling rashes caused ... Syphilis #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... dermatophytes cause ... covering the foot, hence ... Moccasin tinea pedis skin ... #photo #foot #dermatology
Acute Generalized Exanthematous Pustulosis (AGEP)

AGEP is largely a clinical diagnosis based on classical skin findings in
a clinical diagnosis ... Causes? ... is caused by medications ... Clinical Presentation ... Exanthematous #Pustulosis #Dermatology
Cutaneous Mucormycosis Eschar
30 M HIV cd4 10 VL 30k traumatic injury of arm few months ago
traumatic injury of arm ... Diagnosis? ... Mucormycosis #Eschar #dermatology ... #skin #clinical ... #photo