11 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 ... #Morphology #differential ... hematology #microscopy #atlas
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... - CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... bcr-able (+) ↑ WBC ... hematology #Markers #Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Consider sickle cell ... membrane disorder ... Diagnosis #Algorithm #workup
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Lymphocytosis on CBC ... lymphoproliferative disorders ... • Neutropenia, anemia ... Leukemia #diagnosis #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... changes), high MCV anemia ... not required in all ... #Differential #
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... concentrations in: RBCs ... paralyses CNS Disorders ... Dehydrogenase #Elevated #differential ... #diagnosis #Laboratory
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... formed or don’t work ... Marrow Failure • Chronic ... Workup: • Complete ... blood count with differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... permanent alopecia Differential ... with: • Minimal laboratory ... lymphopenia, low PLT • Anemia ... with Lupus: • Chronic
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... Screening Tests for Chronic ... metabolic or endocrine disorders ... #workup #diagnosis
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 ... Immunohistochemical studies (to differentiate