Osteology Explained: A Specialist’s Guide to the Science of Bone Introduction This article is written by a Laboratory Medicine Specialist and medical educator with extensive experience in anatomical sciences and clinical medicine. Osteology — from the Greek osteon (bone) and logos (study) — is the systematic study of bones, and it forms the absolute foundation…
Body Fluid Analysis: A Essential Diagnostic Tool for Identifying Infection, Inflammation, and Malignancy Key Takeaway: Body fluid analysis — encompassing cerebrospinal fluid (CSF), synovial fluid, and serous cavity fluids — is an indispensable diagnostic tool that integrates cytological, biochemical, and microbiological testing to accurately differentiate infections, inflammatory conditions, and malignancies, directly guiding clinical management. Why…
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…
When HBsAg and Anti-HBs Are Both Positive: A Laboratory Medicine Specialist’s Guide to Interpretation Introduction Written by a Laboratory Medicine Specialist, MD Hepatitis B virus (HBV) serology is among the most frequently ordered panels in routine health screening and liver disease workup worldwide. While most clinicians are comfortable interpreting straightforward positive or negative results, an…
The leptin test helps evaluate metabolic, reproductive, and nutritional health. Learn its purpose, RIA method, reference ranges, and interpretation.
