11 results
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Trunk / Sacral Skin ... Ulcers - Differential ... Mycosis fungoides (cutaneous ... Trunk #Sacral #SkinRash ... #dermatology #Differential
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... Primary syphilis (chancre ... #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... Mycosis fungoides (cutaneous ... • Bleomycin Hematologic ... #ulcerative #skinrash ... #dermatology #Differential
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... ulcers - Glomerulonephritis ... Syndrome: • Clinical ... Henoch-Schönlein purpura) • Cutaneous ... classification #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... EGPA • Solid cancers ... Vasculitis #dermpath #dermatology ... manifestations #pathology ... #lesions #differential
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
sensitivity • Painful ulcers ... • Negative causes ... Biopsy: Typical pathologic ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Viral Infection Clinical ... presentation) • Cutaneous ... younger pts) Differential ... hemolytic #anemia #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... vasculitis) • Cutaneous ... Behcet disease) Differential ... refractory disease : monoclonal ... signs #symptoms #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... genital aphthous ulcers ... , cutaneous, ocular ... Serologies for Cryoglobulins ... #diagnosis #rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Causes of Monoclonal ... gammopathy, and skin ... ovarian tumors, lung cancers ... gastric tumors • Hematology ... #diagnosis #hematology