11 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... RA, Sjogren's, GPA ... : • Complete blood ... • Fecal occult blood ... cryoglobulins • Skin
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 ... type #clinical #photo ... #foot #dermatology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... maculopapular rash ... Blood products contain ... infections with skin ... diagnosis #management #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... Large Vessel: Blood ... • ANCA (Dx: GPA ... differential #diagnosis #rheumatology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
of fibrin split products ... which can plug blood ... 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 ... ulcerations • Skin ... onset [33-74%] • Blood ... Dermatomyositis #rheumatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Causes purpura & ... Blood products contain ... infections with skin ... diagnosis #management #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... , mucositis • Rash ... MPO > PR3 60/ GPA ... tract, and often causes ... Differential #Diagnosis #Rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
honey-colored crusts ... collarette of scale • Tinea ... with site, (e.g„ tinea ... - Trunk - Red, blood-filled ... #rash #differential