Prussian Blue and Turnbull's Blue Stains for Iron Detection

This topic focuses on the specific histochemical stains used to detect different oxidation states of iron in tissues: Prussian Blue for ferric iron (Fe3+) and Turnbull's Blue for ferrous iron (Fe2+). Students in Zambian colleges and universities studying hematology or cellular pathology will delve into the chemical principles, required reagents, procedural steps, and interpretation of results for these critical diagnostic tools. Understanding these stains is vital for identifying conditions like iron overload disorders (hemosiderosis) and assessing iron storage in bone marrow and liver biopsies. This knowledge is directly applicable in clinical biochemistry and laboratory management settings across Zambia. For tertiary learners aiming for diplomas or degrees, proficiency in these techniques is examined in professional assessments and is foundational for roles in diagnostic hematology, supporting patient care and treatment monitoring in the Zambian health sector.