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Malignant Lymphoma - intermediate grade large cell type
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Malignant Lymphoma - intermediate grade large cell type

High power view of a diffuse large cell lymphoma.
At this high power, the vesicular nature of the nuclei is clearly seen, with a rim of chromatin near the nuclear membrane and a large amount of pale staining chromatin towards the center.
Many nuclei also contain prominent nucleoli.
Nuclei are separated by each other by abundant pale staining cytoplasm.
Towards the center of the left side of this image is a cell undergoing mitosis.
(Description By:T.V.Rajan, M.D. )
(Image Contrib. by:T.V.Rajan, M.D. UCHC )
Intermediate grade diffuse large cell lymphoma
Etiology

Unknown
Pathogenesis

Unknown,
Epidemiology

Most common of the intermediate grade lympomas
General Gross Description

As with all lymphomas, the affected node is enlarged and appears homogeneous on cut surface
General Microscopic Description

These tumors contain predominately large cells, which may have both cleaved and non-cleaved nuclei.
The cell of origin is believed to be the centroblast, a cell in the center of the germinal follicle.
Clinical Correlation

The long term prognosis is not good
References
Cotran, Kumar and Robbins: Pathologic Basis of Disease, 5th Edition. W.B. Saunders & Co. 1994. pp 639
Intermediate grade diffuse large cell lymphoma
Synopsis by: T.V.Rajan, M.D., Ph.D. (T08000M96803)[622]
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