Types of Tumors Found by Federal Meat Inspectors in an Eight‐year Survey

Brandly, Paul J.; Migaki, G

doi:10.1111/j.1749-6632.1963.tb13426.x

Cited by 91 publications

(41 citation statements)

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“…16 However, overrepresentation of dairy breeds among goats with thymoma was not identified in the current study, in which dwarf breeds (Pygmy and Pygora) were most frequently affected. Malignant caprine thymoma has been reported, 6,22 and lymphatic invasion warranted diagnosis of a malignancy in 1 thymoma in this study. The concurrent hypoproteinemia with anasarca was interpreted as a paraneoplastic syndrome in the absence of other plausible causes.…”

Section: Discussionmentioning

confidence: 79%

“…Leiomyofibromatosis of the cervix is most commonly encountered in dogs, cats, and goats. 8 Tumors of fibroblastic differentiation appear to be uncommon in goats; 6,17,19 although gingiva has been the most commonly reported site, all cases in this cohort were cutaneous masses.…”

Section: Discussionmentioning

confidence: 99%

“…All melanocytic tumors were malignant, consistent with reported cases. 4,6,14,19 Pheochromocytoma has been reported in goats 11,19,21 but is more common in cattle and dogs. 7 All 3 cases in this cohort were malignant, but invasion of the vena cava was more common than distant metastasis.…”

Section: Discussionmentioning

confidence: 99%

“…1 Retrospective studies of caprine tumors have been published in the past 40 years, 4,6,10,12,14,19,34 but some had a narrow focus or included few new cases. For example, a 1996 study of cutaneous neoplasms was focused on melanomas and squamous cell carcinomas.…”

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confidence: 99%

“…14 Another report primarily on nonneoplastic external masses. 12 Three studies published 30 or more years ago 4,6,10 and a more recent abstract 19 cover a wide spectrum of conditions in a larger number of goats. The paucity of comprehensive and recent reports of caprine tumors prompted the current retrospective study of 102 tumors among the caprine biopsy and necropsy submissions to the Veterinary Diagnostic Laboratory at Oregon State University from 1987 to 2011.…”

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confidence: 99%

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One Hundred Two Tumors in 100 Goats (1987–2011)

Löhr

2013

Vet Pathol

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Of 1146 caprine necropsy or biopsy specimens submitted from 1987 through 2011 to the Veterinary Diagnostic Laboratory at Oregon State University, 100 goats (8.7%) had 102 tumors. Detailed records were available for 89 cases. Fifty-five goats were female, 17 were castrated males, and 12 were intact males. Breeds included 21 Nubian, 16 Pygmy, 10 Pygora, 8 Alpine, 4 Angora, 4 Saanen, 2 Toggenburg, and 9 crossbred goats. Dwarf, Nubian, and Saanen goats were overrepresented and Alpine and Boer goats underrepresented among cases with neoplastic disease in comparison to submissions overall. Age ranged from 7 months to 19 years (median, 7 years). Microscopic examination was performed on 97 tumors. Lymphoma (n ¼ 17) was the most common tumor, followed by cutaneous squamous cell carcinoma (n ¼ 10) and thymoma (n ¼ 9). Most lymphomas were multicentric. All 7 mammary neoplasms were adenocarcinomas. Five of 7 vascular proliferations were hemangiosarcomas. All 4 melanocytic tumors were classified as (malignant) melanoma. Rarely reported caprine tumors included a choroid plexus carcinoma, 2 rhabdomyosarcomas, and 3 pheochromocytomas. Cutaneous round cell tumors were provisionally diagnosed as 2 histiocytomas and 5 mast cell tumors. Single cases of previously unreported caprine tumors included amyloid-producing odontogenic tumor, myxosarcoma, sebaceous carcinoma, apocrine sweat gland adenoma, and thyroid carcinoma. Nonneoplastic entities included 2 cases of mammary fibroadenomatous hyperplasia and single cases of vascular hamartoma, cervical adenomatous hyperplasia, and cervical leiomyofibromatosis. The results of this 25-year retrospective study indicate that lymphoma in particular and tumors in general are common in goats.

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Section: Discussionmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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One Hundred Two Tumors in 100 Goats (1987–2011)

Löhr

2013

Vet Pathol

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Attempted Induction of Gliomas Utilizing Simian Virus 40

Wilkins¹,

Odom²

1965

Archives of Neurology

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Lymphosarcoma (leukemia) in cattle, sheep and pigs in Great Britain

Anderson

Jarrett

1968

Cancer

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To investigate the incidence and characteristics of lymphosarcoma in foodproducing animals, a histologic survey of all neoplasms encountered in 100 abattoirs throughout Great Britain during 1 year was carried out in collaboration with the Ministry of Agriculture, Fisheries and Food. When lymphosarcoma was diagnosed, further investigations were undertaken on the farm of origin. The total numbers of slaughtered animals surveyed were 1.3 million (m) cattle, 4.5 m sheep and 3.7 m pigs. Of 302 bovine, 107 ovine and 139 porcine neoplasms receiyed, 75, 44 and 92, respectively, were lymphosarcoma. The overall incidence was 58 pm slaughtered cattle, 10 pm sheep and 25 pm pigs. Most bovine lymphosarcoma (53%) was of the thymic type while in sheep 75% and in pigs 62% was multicentric. A high incidence was found in young cattle: 35% under 2 years and 61% under 4 years of age. In pigs 58% occurred below 6 months of age while almost all affected sheep were adult. All cases of lymphosarcoma were isolated and sporadic. Blood samples from apparently normal cattle in 19 herds where lymphosarcoma had occurred showed no evidence of lymphocytosis. It is concluded that lymphosarcoma in cattle, sheep and pigs in Britain is a sporadic disease, further differing from the “enzootic” form of bovine lymphosarcoma in the age incidence, anatomic distribution of lesions and absence of lymphocytosis in other herd members. There is at present no epidemiological or experimental evidence of transmissibility of lymphosarcoma in the food‐producing animals in Britain.

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Types of Tumors Found by Federal Meat Inspectors in an Eight‐year Survey

Cited by 91 publications

References 1 publication

One Hundred Two Tumors in 100 Goats (1987–2011)

One Hundred Two Tumors in 100 Goats (1987–2011)

Attempted Induction of Gliomas Utilizing Simian Virus 40

Lymphosarcoma (leukemia) in cattle, sheep and pigs in Great Britain

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