12 results
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
• Kikuchi Disease ... Tularemia • Secondary ... Lymphadenopathy #LAD ... #Causes #Hematology ... #Oncology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Thalassemia • Lead ... Disease (e.g. ... #Anemia #MCV #Classification ... #Causes #Hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... • Autoimmune diseases ... Type III Often Secondary ... #classification ... #rheumatology #
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... . lupus, CLL, lymphoma ... #differential # ... diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... AIHA Primary Secondary ... Cold Agglutinin Syndrome ... younger pts) Differential ... hemolytic #anemia #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... with Lupus: • Chronic ... #Rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Secondary form ... Hypocomplementemia • Can cause ... neuropathy, transverse myelitis ... Nephrogenic DI Hematologic ... #Rheumatology #
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... activity • ↓ LAP ... bone marrow and secondary ... #Leukemia #Hematology ... #Oncology #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... tract, and often causes ... Serologies for Cryoglobulins ... #diagnosis #rheumatology ... #classification
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
a rare chronic ... Rule out other causes ... Tetracyclines etc ... osteoarticular and skin disease ... #Rheumatology #