10 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
pallor, dyspnea, and ... Diagnosis: • hemolytic ... testing for anti-C3d and ... hemoglobinemia and ... #disease #hemolytic
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgG) (e.g. lupus ... . primary cold agglutin ... , Copper and lead ... #differential # ... diagnosis #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
temperatures below 37°C and ... endothelial injury and ... Syndrome: • Clinical ... diseases: - 10% ... ) • Types II and
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
DIC/TTP/HUS - Hemolytic ... Pigmented Purpuric Dermatosis ... /HSP • Cryoglobulinemia ... #Diagnosis #hematology ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... ) pattern: antibodies ... differential #diagnosis ... #rheumatology # ... classification
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Amyloidosis and ... histiocytosis, and ... to cold IgG • Lupus ... @KirtanPatolia and ... #Diagnosis #Oncology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... Classification: ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... fibromyalgia) • Infections
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA) is common and ... GPA causes disease ... Rarely dominate the clinical ... Diagnosis: Vasculitis ... #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... often causes arthritis ... #Differential #Diagnosis ... #Rheumatology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... Hodgkin Lymphoma - Clinical ... nodosum • Immune hemolytic ... number of sites of disease ... #hematology #oncology