A case of composite neoplasm of ovary in a goat having histological features of thecoma and metastatic adenocarcinoma

Beena, VT; Pawaiya, R.V.S.; Singh, D.D.; Gangwar, Neeraj Kumar; Shivasharanappa, N.; Gururaj, K.

doi:10.5958/0973-970x.2016.00040.7

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“…Review of recent literature revealed five published papers in sheep [4-9] (Table-1) and eight in goats [3,8,10-16] (Table-2) reporting various malignant and non-malignant tumors involving different parts of the reproductive tract [3-8,10-15,17-20]. Parts of the reproductive tract that was involved included the vulva and vagina (two in sheep, three in goats), Bartholin’s gland (one goat), cervix (one in sheep, three in goats), uterus (two in sheep, nine in goats), and ovaries (two in sheep, two in goats).…”

Section: Resultsmentioning

confidence: 99%

Tumors of the reproductive tract of sheep and goats: A review of the current literature and a report of vaginal fibroma in an Awassi ewe

2019

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Aim: This study aimed to provide a summary of all online available literature of published clinical and histopathological data regarding tumors affecting the reproductive tract of female sheep and goats. In addition, a detailed description of the clinical history, clinical findings, and gross and histopathological findings of one case of vaginal fibroma in an adult Awassi sheep is provided for the first time. Materials and Methods: Internet search engines such as PubMed, ResearchGate, Scopus, ScienceDirect, and Google Scholar were used to collect all published articles in refereed journals from 2000 to 2018 regarding tumors and tumor-like lesions involving the reproductive tract of ewes and does. Results: There are six published papers in sheep and nine in goats reporting various malignant and non-malignant tumors involving different parts of the reproductive tract. The most commonly diagnosed tumors of the reproductive tract were leiomyoma (six cases), adenocarcinoma (six cases), leiomyosarcoma (three cases), adenoma (one case), squamous cell carcinoma (one case), and metastatic signet ring cell carcinoma (one case). The most common sites of tumor formation were the uterus (10 cases), vulva/vagina (five cases), ovaries (four cases), cervix (four cases), and Bartholin's gland (one case). All affected animals were aged females (older than 3 years of age). In both ewes and does, the most frequently reported clinical symptoms were chronic weight loss, pyometra, hydrometra, vaginal bleeding, abnormal vaginal discharges, straining, pollakisurie, ascites, and abdominal distension. Conclusion: Tumors of the reproductive organs in sheep and goats are not uncommon and should be considered in the differential diagnoses in cases with poor reproductive function.

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Section: Resultsmentioning

confidence: 99%

Tumors of the reproductive tract of sheep and goats: A review of the current literature and a report of vaginal fibroma in an Awassi ewe

2019

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“…In a USA study, among female and male genital system neoplasms, adenocarcinomas represented 11.11% (3/27) of diagnosed neoplasms [ 34 ]. Other neoplasms that affected the female and male genital systems with low frequency were metastatic seminoma in a Parda Alpina goat [ 40 ] and thecoma in an 8-year-old non-breed goat [ 41 , 42 ]. Female and male genital system neoplasms in small ruminants are rarely reported due to the early slaughter of these animals [ 43 ].…”

Section: Discussionmentioning

confidence: 99%

Neoplasms in Domestic Ruminants and Swine: A Systematic Literature Review

Vasconcelos

Pires

Alves

et al. 2023

Veterinary Sciences

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Background: Due to the limited information and lack of studies on neoplasms in domestic ruminants, i.e., cattle, sheep, and goats, and domestic swine, the objective of the present study was to systematically review the scientific literature to verify the occurrence, type, organ system, and organs most affected by neoplasms in these animals. Methods: The recommendations of the PRISMA methodology were followed for the elaboration of this study. The research consisted of a systematic review of neoplasms in domestic cattle, sheep, goats, and swine. Results: The number of neoplasms found was 1873. The most affected organ system was the integumentary system with 35.0%, followed in descending order by the alimentary system with 16.90%, the hematopoietic system with 13.50%, the special senses (i.e., eyes and ears) with 10.51%, the female and male genital systems with 7.31%, the urinary system with 4.38%, the liver and biliary system with 3.152%, the endocrine glands with 3.91%, the respiratory system with 2.67%, the nervous system with 2.35%, bones and joints with 0.43%, muscles and tendons with 0.37%, the cardiovascular system with 0.21%, and the pancreas with 0.16%. Of the animals with neoplasms studied, cattle were affected in 69.80% of cases, goats in 10.52%, sheep in 10.46%, and swine in 9.18%. In all species, the most frequent neoplasms were squamous cell carcinomas in ruminants, while melanoma was the most frequent in swine. Few studies carried out in slaughterhouses were found, and the existing ones referred to cattle and swine. No data were found on economic losses with carcass condemnation. Conclusions: In view of the above, it is necessary to carry out extensive and detailed studies that provide knowledge about the impact of neoplasms on the production and condemnation of carcasses in domestic cattle, sheep, goats, and swine and the respective risk factors.

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A case of composite neoplasm of ovary in a goat having histological features of thecoma and metastatic adenocarcinoma

Cited by 2 publications

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Tumors of the reproductive tract of sheep and goats: A review of the current literature and a report of vaginal fibroma in an Awassi ewe

Tumors of the reproductive tract of sheep and goats: A review of the current literature and a report of vaginal fibroma in an Awassi ewe

Neoplasms in Domestic Ruminants and Swine: A Systematic Literature Review

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