File:Malignant lymphoma, high grade B cell 1.jpg
Malignant_lymphoma,_high_grade_B_cell_1.jpg (550 × 465 pixels, file size: 29 KB, MIME type: image/jpeg)
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editDescriptionMalignant lymphoma, high grade B cell 1.jpg |
Non-Hodgkin's Lymphoma This elderly woman had carried a diagnosis of low-grade lymphoma since 1989. She had responded well to therapy and had been free of clinical evidence of lymphoma until spring, 2000, when she presented with this inguinal mass. Because she had developed a second cancer (breast) in the interim, the question arose as to which (if either) cancer had recurred. The clinicians opted for an excisional biopsy of the mass. The specimen was 6 cm in greatest diameter, soft and fleshy. A quick touch prep showed that it was a lymphoma, and fresh tissue was sent for surface marker characterization by flow cytometry. The tumor cells (which were gated in the "medium" and "large" areas of the cytogram) marked as B cells with light chain restriction. The cytologic features indicated a high-grade proliferation with a high mitotic rate, although there was some debate as to whether it was a large- or small-cell follicular cell lymphoma (it surprises those outside the field that such a basic question as cell size can be so controversial!) Ultimately, my diagnosis was malignant lymphoma, high grade B cell, not otherwise specified To illustrate the difference in color quality between different types of lighting, I shot the same frame under tungsten light (this picture) and window light (see Image:Malignant lymphoma, high grade B cell 2.jpg). Photograph by Ed Uthman, MD. Public domain. Posted 19 May 00 |
Source | http://web2.airmail.net/uthman/specimens/index.html |
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This work has been released into the public domain by its author, Ed Uthman. This applies worldwide. In some countries this may not be legally possible; if so: Ed Uthman grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. Public domainPublic domainfalsefalse |
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current | 10:03, 5 June 2006 | 550 × 465 (29 KB) | Patho (talk | contribs) | {{Information| |Description=Non-Hodgkin's Lymphoma This elderly woman had carried a diagnosis of low-grade lymphoma since 1989. She had responded well to therapy and had been free of clinical evidence of lymphoma until spring, 2000, when she presented wi |
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