软管口腔富含 T 细胞的大 B 细胞淋巴瘤。

IF 1.8 3区 农林科学 Q2 VETERINARY SCIENCES Veterinary Research Communications Pub Date : 2024-08-27 DOI:10.1007/s11259-024-10476-z
Jéssica Cristina Peretti, Aline Bielak Dos Santos, Ezequiel Davi Dos Santos, Tanise Policarpo Machado, Caroline Argenta Pescador, Luis Jhordy Alfaro Quillas, Vanessa Marostega Milani, Taline Scalco Picetti, Adriana Costa da Motta
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引用次数: 0

摘要

淋巴瘤是马最常见的造血肿瘤。根据肿瘤位置和范围的不同,病程和临床症状也大相径庭。本报告旨在描述一匹 25 岁的克利乌拉(Crioula)母马发生的富含 T 细胞的口腔大 B 细胞淋巴瘤,并伴有明显的局部浸润。该母马右侧面部体积增大,呼吸困难,厌食,体重逐渐减轻。临床评估显示,病变位于喙窦和尾窦,并明显侵犯邻近结构。尸检结果显示,病灶为黄色肿块,质地由软至硬,浸润颅内多处骨骼,并广泛侵犯硬腭和咀嚼肌。从组织学角度看,肿块是一种未分化的恶性肿瘤,其特点是细胞密集,由大的 CD20 + 肿瘤性 B 淋巴细胞与成片的小的 CD3 + 反应性 T 淋巴细胞混合组成,并有细腻的纤维血管基质支撑,因此被诊断为口腔富含 T 细胞的大 B 细胞淋巴瘤。
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Oral T-cell-rich large B-cell lymphoma in a horse.

Lymphoma is the most common tumor of hematopoietic origin in horses. The course of the disease and clinical signs vary greatly, depending on tumor location and extent. The aim of this report is to describe the occurrence of T-cell-rich oral large B-cell lymphoma with marked local infiltration in a 25-year-old Crioula mare. The mare showed an increase in volume on the right side of its face, dyspnea, anorexia, and progressive weight loss. The clinical assessment showed that the lesion was located in the rostral and caudal sinuses and was markedly invasive to adjacent structures. The autopsy revealed a yellow mass with a soft to firm consistency, infiltrating multiple bones in the skull, and extensively invading the hard palate and masseter muscle. Histologically the mass comprised an undifferentiated malignant neoplasm characterized by a densely cellular neoplasm composed of large CD20 + neoplastic B-lymphocytes admixed with sheets of small, CD3 + reactive T-lymphocytes supported by delicate fibrovascular stroma leading to the diagnosis of oral T-cell-rich large B-cell lymphoma.

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来源期刊
Veterinary Research Communications
Veterinary Research Communications 农林科学-兽医学
CiteScore
2.50
自引率
0.00%
发文量
173
审稿时长
3 months
期刊介绍: Veterinary Research Communications publishes fully refereed research articles and topical reviews on all aspects of the veterinary sciences. Interdisciplinary articles are particularly encouraged, as are well argued reviews, even if they are somewhat controversial. The journal is an appropriate medium in which to publish new methods, newly described diseases and new pathological findings, as these are applied to animals. The material should be of international rather than local interest. As it deliberately seeks a wide coverage, Veterinary Research Communications provides its readers with a means of keeping abreast of current developments in the entire field of veterinary science.
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