Hematology
The differential white blood cell count
What the differential count is, how to read neutrophils, lymphocytes, monocytes, eosinophils and basophils, and which pathological cells must never be missed.
Lab test interpretation
The ferritin test — three targets with one shot
A single number points to hidden iron deficiency, inflammation and hereditary haemochromatosis. Why a ferritin below 30 ng/ml is already a diagnosis.
Hematology
Top 5 causes of increased lymphocytes in the blood
A laboratory physician walks through the five most common reasons for lymphocytosis, with clinical examples: infections, reactive lymphocytes, smoking, spleen removal and chronic lymphocytic leukaemia.