
Pinworm Eggs (Enterobius vermicularis) in Perianal Scrape
Microscopic detection of Enterobius vermicularis eggs in a perianal scrape. Characteristic asymmetric shape of pinworm eggs at 40x magnification.
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.

Microscopic detection of Enterobius vermicularis eggs in a perianal scrape. Characteristic asymmetric shape of pinworm eggs at 40x magnification.

Microscopy of urine sediment at alkaline pH: triple phosphate crystals as prisms and brown spheres of acidic ammonium urate. Diagnosis of crystalluria.

A clinical case of severe neutropenia in a 16-year-old patient: bone marrow aspirate analysis, absence of granulocytes, and reactive plasmacytosis.

Laboratory challenge: microscopy of a stool sample with Lugol's solution at 400x magnification from a 55-year-old man. Differential diagnosis of the finding.

A clinical case of simultaneous acute myeloid leukemia and plasma cell neoplasia: bone marrow cytomorphology and immunophenotyping.

A clinical case study on bone marrow cytology in a patient with acute lymphoblastic leukemia. Identify cell lineage and dysplasia type on micrographs.

A parasitology clinical case: identify 50–60 µm objects found during microscopic examination of a 50-year-old patient's stool sample.

Morphology of fungi in hematological preparations: Aspergillus in blood, Fusarium spores, and contaminants in bone marrow aspirate.

Criteria for differential diagnosis of pollen grains and Toxocara eggs in stool microscopy: assessing size, pores, and shell surface relief.

A clinical parasitology challenge: identify the pathogen during microscopic examination of a native liver cyst aspirate specimen.

Microscopic view of liver cyst contents in echinococcosis: morphology of Echinococcus granulosus protoscolex, chitinous hooks, and calcareous corpuscles.

Clinical case of Merkel cell carcinoma metastasis to an axillary lymph node: imprint cytology and differential diagnosis with lymphoma.