9 results
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... Viral: HIV, HCV, EBV ... : ITP, HITT - Autoimmune ... antiphospholipid syndrome ... Diagnosis #Framework #hematology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Autoimmune ... chemotherapy) • Genetic syndromes ... EBV. CMV. ... ICL #diagnosis #hematology ... #Differential #Causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... malignancies, autoimmune ... infection and autoimmune ... Mycoplasma classic), autoimmune ... differential #diagnosis #dermatology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Constitutional Syndromes ... and petechiae Causes ... Constitutional Syndromes ... marrow-failure syndromes ... Anemia #oncology #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
neutropenia, Kostmann syndrome ... Chediak-Higashi syndrome ... replacing the BM ... replacing the BM-common ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Viral infection, autoimmune ... hemolysis • C3↓ C4 ... - Mycoplasma, EBV ... hemolytic #anemia #hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Algorithm Vascular Causes ... vein: Budd-chiari syndrome ... HBV, HCV, HEV, EBV ... Celiac disease • Autoimmune ... : Autoimmune hepatitis
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
changes (POEMS syndrome ... acute HIV, HBV, EBV ... Cirrhosis, ETOH, autoimmune ... gastric tumors • Hematology ... differential #diagnosis #hematology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... Symptoms: • Gottron rash ... • ANA < 20 % IBM ... statins - probably caused ... Myositis #Myopathy #rheumatology