9 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Burr Cell RBC (Echinocyte ... Bite Cell RBC: G6PD ... Unstable hemoglobin disorders ... Target Cell RBC ... hematology #microscopy #atlas
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... hypertension • Unusual RBC ... membrane disorder ... Diagnosis #Algorithm #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... PT, aPTT(liver disease ... changes), high MCV anemia ... not required in all ... Diagnosis #Causes #Workup
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Lymphocytosis on CBC ... cells can indicate disease ... lymphoproliferative disorders ... • Neutropenia, anemia ... Leukemia #diagnosis #workup
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... ) • Endocrine disorders ... with: • Minimal laboratory ... lymphopenia, low PLT • Anemia ... titers > 1:80 • CBC
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
concentrations in: RBCs ... • Hemolytic Anemias ... disease, deficiency ... paralyses CNS Disorders ... differential #diagnosis #Laboratory
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... more time for the laboratory ... metabolic or endocrine disorders ... #laboratory #workup
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• Autoimmune disorders ... Weight loss • Anemia ... Immune hemolytic anemia ... Hodgkin Lymphoma Workup ... number of sites of disease
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... Connective tissue disorders ... (RA, Temporal arteritis ... autoimmune hepatitis, PBC ... anemia • Other