15 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Bite Cell RBC: G6PD ... Target Cell RBC ... : Cold autoimmune ... #differential #diagnosis ... #hematology #microscopy
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... anemia • Cold ... Blood smear - RBC ... (older) • Autoimmune ... #hematology #diagnosis
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... Membrane): - Autoimmune ... Defects: Sickle cell ... anemia, Thalassemias ... #hematology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
40 ml/min A - Anemia ... diseases, CML, ... macroglobulinemia, and autoimmune ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Microangiopathic hemolytic anemia ... ) (e.g. lupus, CLL ... • Intrinsic RBC ... #hematology #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... Consider sickle cell ... elliptocytosis, autoimmune ... Algorithm #workup #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
5) Symptoms of anemia ... chemotherapy for low-risk disease ... fludarabine) 3) Monoclonal ... Leukemia #oncology #hematology ... #management
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Chronic kidney disease ... • Hemolysis: Autoimmune ... Production #Index #hematology ... #diagnosis #calculation
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Physical Exam/Signs ... Diagnosis: • ... cells can indicate disease ... • Neutropenia, anemia ... workup #oncology #hematology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Lymphoma (HCV) • CLL ... +Organomegaly+↑RBC ... (-) hemolytic anemia ... Paraproteinemias #Hematology ... #Diagnosis #Oncology