12 results
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cause Organ Damage ... Type III Often Secondary ... Henoch-Schönlein purpura) • Cutaneous
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... Primary: 50% ... Leukocytoclastic Vasculitis Secondary ... Urticarial/LCV) - Cryoglobulinemic ... Disease • Cogan syndrome
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... /Quantity: • Primary ... vasculitis/HSP • Cryoglobulinemia ... #Diagnosis #hematology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Primary (essential ... Associated Disorders ... • Negative causes ... Antiphospholipid syndrome ... hematology
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
lymphomas, metastases, skin ... Bartonella), chancroid, cutaneous ... lymphogranuloma venereum, primary ... and secondary syphilis ... arthritis, Sjögren syndrome
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Abnormalities in primary ... or secondary hemostasis ... Vasculitis - Collagen disorders ... • Skin biopsy ... #Causes #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... 15% of AIHA Primary ... Agglutinin Syndrome ... presentation) • Cutaneous ... younger pts) Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... aphthous ulcers, cutaneous ... strong sign of cutaneous ... Serologies for Cryoglobulins ... #diagnosis #rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
other diseases • Secondary ... Hypocomplementemia • Can cause ... ) • Cutaneous vasculitis ... Nephrogenic DI Hematologic ... Vasculitis: • 7%, Cryoglobulinemia
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
with GCA or as primary ... Rash, arthritis Primary ... tract, and often causes ... / ANCA + MPO) Cryoglobulinemic ... #Diagnosis #Rheumatology