Peripheral T-Cell Lymphoma of the Submandibular Salivary Gland as an Unusual Manifestation of Richter’s Syndrome: A Case Report and Literature Review

Figure 3

Submandibular salivary gland. (a) Immunohistochemistry for CD3 shows diffuse infiltration by CD3+ T cells, ×50. (b) T cells express CD2, ×50. (c) T cells express CD5, ×50. (d) T cells express TIA1, ×200. (e) Proliferative activity marker Ki-67 in the T-cell area is expressed by up to 70% of the cells, ×100. (f) The neoplastic T cells coexpress CD79a, ×50.

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