
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.
Blood and bone marrow morphology, clinical cases and diagnostic algorithms. Most of the library is in Russian; the English section is growing.
Most of our material is written in Russian — that is the working language of the community. A few pieces exist in English; the rest of the library is one click away and the photographs need no translation.

What the differential count is, how to read neutrophils, lymphocytes, monocytes, eosinophils and basophils, and which pathological cells must never be missed.

A clinical case of an 81-year-old woman with sepsis: critical blue-green inclusions in neutrophils, Knyazkov — Döhle bodies and what they mean for the prognosis.

A single number points to hidden iron deficiency, inflammation and hereditary haemochromatosis. Why a ferritin below 30 ng/ml is already a diagnosis.

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.