B-cell chronic lymphocytic leukemia/small lymphocytic lymphoma - Male, 48 - Tissue image [7260729594493971]

This is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format. The detailed information about the patient, sample, and diagnosis are as follows: Patient:Age: 48Clinical description: History of lymphoma. Tumor of right parotid. FNAC: SLL/CLL-B cells.Gender: MaleDiagnosis:Classification: ICD-O_3.2Classification code: LYMPHOID LEUKEMIAS (C42.1)Diagnosis: B-cell chronic lymphocytic leukemia/small lymphocytic lymphomaResult of the histopathological examination: CLL/SLL-B: hypercellular bone marrow, diffuse proliferation of B cells. Diffuse reticulin fibrosis (1+/2+). CLL/SLL-B cells: CD20+, CD5+, CD23+, CD3- (positive reaction in reactive T cells). CD23- positive membranous reaction.Sample:Material: FFPECollecting method: Bone marrow biopsyTopography: HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMSOrgan: HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMSTissue: Bone marrowType of staining: positive/IHCStaining: Not applicableAntibody: CD 23Technology:Equipment: Pannoramic 250 3DHistechLens: 20xOrganization:Source: Medical University Gdańsk