Nadezhda Petrenko on Leukoformula

Bone Marrow in B12-Deficiency Anemia: Microscopy

Wed, 10 Sep 2025 07:12:26 +0300

Archival slide from 2012. B12-deficiency anemia. Bone marrow of a 16-year-old boy.

Romanowsky-Giemsa staining, x1000 magnification + phone camera magnification.

🙏 Material kindly provided by Clinical Laboratory Diagnostics physician Nadezhda Petrenko, Blagoveshchensk.

Morphological Signs of MDS in Bone Marrow of a Child

Tue, 02 Sep 2025 07:28:47 +0300

Archival slide from 2009. Bone marrow of a boy, 1 year 1 month old. Noteworthy features: 1-3 photos - Harlequin cells; 4 photo - mitosis of a myeloid cell; 5 photo - large basophilic stippling of an erythrocyte; 6-7 photos - abnormal, lobulated nucleus of an oxyphilic normoblast.

Gaucher Cells Morphology in Bone Marrow Smear

Thu, 28 Aug 2025 14:24:00 +0300

Archival preparation from 2009. Bone marrow of a 13-year-old boy. Gaucher cells.

The material was kindly provided by Clinical Laboratory Diagnostics physician Nadezhda Petrenko, Blagoveshchensk.

Promegakaryocyte Morphology in Bone Marrow Smears

Thu, 21 Aug 2025 12:00:00 +0300

Promegakaryocytes in the bone marrow of a 5-year-old boy.

Romanowsky-Giemsa stain, x1000 magnification + phone camera magnification.

🙏 Material kindly provided by clinical laboratory diagnostics physician Nadezhda Petrenko, Blagoveshchensk.