17 results
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 ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... cryoglobulins • Skin ... #Algorithm #Causes ... #dermatology #physicalexam
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Skin rash and malaise ... resembling rashes caused ... #Diagnosis #Clinical ... #Photo #Dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... gram-negative bacillus cause ... the key to the diagnosis ... #Rash #dermatology ... #clinical #photo
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 ... auricular papules Clinical ... #dermatology #diagnosis
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... • Erythematous rash ... auricular papules Clinical ... Muscle atrophy may cause ... dermatology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... Underlying valve pathology ... in up to 30% of cases ... #Endocarditis #comparison ... #table
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Clinical ... : • + Clinical ... cryoglobulins • Negative causes ... Biopsy: Typical pathologic ... hematology