19 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - EGPA - MPA ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Maculopapular rash ... #dermatology #rash ... #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Vasculitis - Collagen disorders ... RA, Sjogren's, GPA ... cryoglobulins • Skin ... #dermatology #physicalexam
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... immunosuppressive meds ... Vibrio #Vulnificus #skin ... #cellulitis #dermatology ... #legs #clinical
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Syndrome: • Clinical ... associated vasculitis - GPA ... classification #rheumatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
of fibrin split products ... cryoglobulinemia Associated Disorders ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... auricular papules Clinical ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
chronic inflammatory disorder ... Autoinflammatory disorder ... Rule out other causes ... SAPHO #Syndrome #Rheumatology ... diagnosis #management #Dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... skin of inflamed ... Variety #type #clinical ... #photo #foot #dermatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... in literature (NEJM ... required due to skip ... (Cornelia NEJM ... them, but urgent rheumatology