A young man, 26 years old. Excisional biopsy of a cervical lymph node. Imprint smear. Diagnosis: Anaplastic large cell lymphoma, ALK-positive. Immunohistochemical phenotype: positive markers: CD30, ALK, MUM1, CD45, EMA, Perforin; negative - CD3, CD5, CD7, CD20, PAX5, SOX11.
🙏 The publication was kindly provided by Elena Belyakova, Clinical Laboratory Diagnostics Physician, Pathologist, member of the FLM Hematology Committee, Department of Molecular Morphology, E.E. Eichwald Clinic of I.I. Mechnikov Northwestern State Medical University, St. Petersburg.










