11 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... #Vasculitis #dermpath ... #dermatology #semiology ... signs #lesions #diagnosis ... manifestations #pathology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Urticarial/LCV) - Cryoglobulinemic ... Associated: - Microscopic ... #dermatology #rheumatology ... #differential #diagnosis
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... Mycosis fungoides (cutaneous ... Thalessemia • Cryoglobulinemia ... ulcerative #skinrash #dermatology ... #Algorithm #causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... - GPA, EGPA, microscopic ... Henoch-Schönlein purpura) • Cutaneous ... #types #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... tract, and often causes ... strong sign of cutaneous ... #rheumatology # ... classification
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Polyarteritis nodosa • Microscopic ... purpura • Mixed cryoglobulinemia ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
gangrenosum • Cutaneous ... et diutinum Neurologic ... Scleromyxedema (Dermato-neuro ... Paraproteinemias #Hematology ... #Differential #Diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... Sjogren's, GPA, EGPA, Microscopic ... #Algorithm #Causes ... #dermatology #physicalexam
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
affects the skin, neurologic ... (PR3-ANCA)): Microscopic ... tract, and often causes ... / ANCA + MPO) Cryoglobulinemic ... #Rheumatology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
malignancies, vasculitis ... , sepsis or cryoglobulinemia ... cryoglobulins • Negative causes ... Biopsy: Typical pathologic ... hematology