hematology

Disease Overview

CLL (Chronic Lymphocytic Leukemia) Complete Guide: PBS Findings, Clinical Features, Diagnosis, and Prognosis
ByCDL.MD.phD. 2026-02-042026-02-13

CLL (Chronic Lymphocytic Leukemia) Complete Guide: PBS Findings, Clinical Features, Diagnosis, and Prognosis Chronic Lymphocytic Leukemia (CLL) is the most common leukemia in adults and is characterized by the abnormal proliferation of mature B lymphocytes. These cells gradually accumulate in the bone marrow, peripheral blood, and lymphoid tissues, leading to progressive immune dysfunction. 1️⃣ Key…

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Hematology

🩸 Leukopenia vs Neutropenia
ByCDL.MD.phD. 2026-02-032026-02-13

🩸 Leukopenia vs Neutropenia: Key Differences, Reference Criteria, and Clinical Significance Not all cases of “low WBC counts” mean the same thing.Two commonly misunderstood terms—Leukopenia and Neutropenia—are related but represent distinct clinical concepts. Understanding the difference is critical for infection risk assessment, diagnostic decision-making, and appropriate patient management. 1. What Is Leukopenia? ✔ Definition Leukopenia…

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Hematology

WBC Differential Count test
ByCDL.MD.phD. 2026-02-032026-02-13

WBC Differential Count — A Key Hematology Test for Identifying Infection, Inflammation, and Hematologic Disorders The WBC Differential Count is an essential component of the Complete Blood Count (CBC), providing both the relative proportion and absolute number of each white blood cell type.This test plays a crucial role in evaluating infections, inflammatory conditions, allergic diseases,…

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Case Discussions

EDTA-Dependent Pseudothrombocytopenia
ByCDL.MD.phD. 2026-02-022026-03-25

EDTA-Dependent Pseudothrombocytopenia: What It Is and Why It Matters Key Takeaway: EDTA-dependent pseudothrombocytopenia (PTCP) is a laboratory artifact — not a true platelet disorder — caused by platelet clumping in EDTA-anticoagulated blood tubes, leading to falsely low platelet counts that can be misinterpreted as clinically significant thrombocytopenia. What Is Pseudothrombocytopenia? When a routine complete blood…

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