what is rete testis?
Answers
Answer:
s an anastomosing network of delicate tubules located in the hilum of the testicle that carries sperm from the seminiferous tubules to the efferent ducts. It is the counterpart of the rete ovarii in females.
Explanation:
Adenoma and adenocarcinoma of the rete testis
Cellular origin
Rete testis cells. The rete testis is a network of tubules in the mediastinum testis that carry sperm from the seminiferous tubules to the efferent ducts.
Profile
A rete testis adenoma was diagnosed incidentally in a 6-year-old Quarter Horse and an adenocarcinoma was reported in a 5-year-old Quarter Horse cross.7 Both neoplasms occurred in cryptorchid testes.
Biological behaviour
Metastasis of the adenocarcinoma was not reported.
Gross pathology
Rete testis adenomas may or may not be detected macroscopically. Adenocarcinomas may cause testicular enlargement (up to 30 cm in maximal diameter), with tumour tissue replacing most of the testicular parenchyma; they may contain cavities filled with brown fluid.
Histopathology
In the adenoma, rete tubules were filled by papillary masses of polygonal to cuboidal tumour cells with scanty cytoplasm and uniform round nuclei. The cuboidal to columnar tumour cells comprising the adenocarcinoma were arranged in sheets and lining tubules, and contained numerous mitotic figures. Large areas of necrosis, haemorrhage and mineralization may be present.
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