Sebaceous gland adenoma in a rhesus monkey (Macaca mulatta)

Mahesh Kumar, M. J. ; Nagarajan, P. ; Venkatesan, R. A. ; Sakthivelan, S. M. ; Majumdar, S. S. (2004) Sebaceous gland adenoma in a rhesus monkey (Macaca mulatta) Journal of Medical Primatology, 33 (4). pp. 214-218. ISSN 0047-2565

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A tumor mass was identified below the shoulder region of a 5-year-old male rhesus monkey (Macaca mulatta). The mass was excised and diagnosed as sebaceous gland adenoma based on the microscopic findings. Morphologically it appeared as an elevated, dome-shaped, circumscribed mass of 3.6 × 2.8 × 3.2 cm in dimension with tan speckled color. Histologically, the tumor was composed of mature, sebaceous cells (sebocytes), basal cells arranged in a mass of irregular shapes and sizes, with a characteristic appearance of poly or multilobular structure. Sebocytes were well differentiated with foamy cytoplasm in the center of the lobules and poorly or undifferentiated densely staining basal cells in the periphery of the lobules. Cellular changes in the adjacent lymph node included hyperplasia of plasma cells, macrophages and lymphoid elements with typical mitosis.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons Inc.
ID Code:104262
Deposited On:02 Feb 2018 03:40
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