Cystic Rete Testis in a Cat and Fox

Gelberg, Howard B.; McEntee, Kenneth

doi:10.1177/030098588302000516

Cited by 21 publications

(16 citation statements)

References 6 publications

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“…Simple cysts can occur anywhere in the testis, and its originating tissue is still disputed. In animals, there have been four case reports on cystic rete testis (in a cat, a fox, a horse and an alpaca) and one case report on efferent ductule cyst (in a dog) [5, 8, 11, 14]. However, immunohistochemical analysis of rete testis has never been demonstrated.…”

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Cystic Rete Testis with Testicular Dysplasia in a Rabbit

Chambers

Uchida

Murata

et al. 2014

The Journal of Veterinary Medical Science

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An 8-year-old intact rabbit was presented to a veterinary hospital with a complaint of enlarged left scrotum. Histological examination revealed a single large cyst adjacent to an efferent ductule-like tissue. The cyst wall was composed of monolayer cuboidal cells surrounded by dysplastic testicular tissue, and the seminiferous tubules were not developed at all. The epithelial cells of the cyst possessed the same properties as the epithelial cells of the rete testis that were positive for CD 10 and cytokeratin 18, negative for p63 and lacked desmin-positive muscular layer. The dysplastic testicular tissue was composed of two types of cells: small pleomorphic cells with a condensed nucleus (sex cord-like cells) and large round cells with cytoplasmic lipid droplets (Leydig cells). Both of these cells were positive for vimentin and melan A that are consistent with the staining pattern of Sertoli cells and Leydig cells. This is the first report to demonstrate cystic rete testis with testicular dysplasia in animals.

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Cystic Rete Testis with Testicular Dysplasia in a Rabbit

Chambers

Uchida

Murata

et al. 2014

The Journal of Veterinary Medical Science

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“…Mesonephric tubules arise close to the ovary from the mesonephros (or transient second kidney; see Table 1) and give rise to cysts near the ovary, typically adjacent to the ovarian hilus and close to the rete ovarii. 22 < Mesonephric and paramesonephric duct cysts develop from remnants of these ducts. Paramesonephric (future female) and mesonephric (future male) ducts arise from division of a tube that develops on each side of the retroperitoneum.…”

Section: Ovarian Dsd and Female Phenotypementioning

confidence: 99%

Disorders of sexual development in the cat: Current state of knowledge and diagnostic approach

Foster

2022

Journal of Feline Medicine and Surgery

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Practical relevance: Any congenital or developmental abnormality of any part of the male or female reproductive tract is a ‘disorder of sexual development’ (DSD). The tricolored male cat phenotype, cryptorchidism, gonadal hypoplasia and incidental abnormalities such as cystic remnants or embryonic ducts are well-known feline DSDs. Clinical challenges: Full characterization of DSDs requires sex chromosome determination and identification of genes related to development of the gonads, internal tubular genitalia and external genitalia. Fortunately, affected cats are seen sporadically and the clinical effects are usually minimal. Classification: The classification nomenclature has changed. In place of intersex, hermaphrodite, pseudohermaphrodite and sex reversal, the newer standard classification, based on sex chromosomes, designates sex chromosome DSD when there is an abnormality in the sex chromosomes, and XX (female) and XY (male) DSDs where there is not. Identification of the gonadal type (testes, ovaries, ovotestes or gonadal dysgenesis) and documentation of the internal and external genital components completes the classification. Evidence base: The original basis of the DSD classification was a consensus reached in humans. It was quickly accepted in veterinary pathology, courtesy of its logic and ease of application, and it has subsequently begun to appear in peer-reviewed papers and clinical reviews. This article reviewing the various disorders in cats is based on application of the classification and draws on the feline peer-reviewed literature encompassing chromosome analysis and definition of reproductive abnormalities, syndromes and diseases.

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“…7,16 Unilateral cystic rete testis in a young cat and a mature red fox have been described. 7 The cat was believed to have had a congenital defect, while the fox was thought to have blockage of the efferent ducts by a seminoma. 7 Cystic rete testis has been reported in the cryptorchid testis of a horse.…”

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“…14 Cystic rete testis appears to be very rare in domestic animals, there have been only 3 previous reports in the literature. 7,16 Unilateral cystic rete testis in a young cat and a mature red fox have been described. 7 The cat was believed to have had a congenital defect, while the fox was thought to have blockage of the efferent ducts by a seminoma.…”

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Bilateral Cystic Rete Testis in an Alpaca (Lama Pacos)

et al. 2006

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Abstract. A 9-year-old intact male alpaca (Lama pacos) was examined because of marked enlargement of the left scrotum. Ultrasound examination revealed a thin-walled anechoic structure in the area of the left testis. Aspirated fluid contained spermatozoa, many of which had abnormal morphology. Castration was performed and the left testis was markedly enlarged with a clear fluid-filled cyst. The cyst was lined by a single layer of squamous to cuboidal epithelial cells consistent with those originating from rete testis. The right testis was of a comparable size and shape to that of normal alpaca testis, but the rete testis was mildly to moderately dilated. Additional findings included chronic inflammation of the right testis and epididymis and epididymal fibrosis with ductal hyperplasia on the left. The diagnosis was bilateral cystic rete testis, most likely secondary to chronic inflammation.

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Cystic Rete Testis in a Cat and Fox

Cited by 21 publications

References 6 publications

Cystic Rete Testis with Testicular Dysplasia in a Rabbit

Cystic Rete Testis with Testicular Dysplasia in a Rabbit

Disorders of sexual development in the cat: Current state of knowledge and diagnostic approach

Bilateral Cystic Rete Testis in an Alpaca (Lama Pacos)

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