High‐grade surface osteosarcoma in a dog

Moores, A. P.; Beck, A.; Baker, Joseph F.

doi:10.1111/j.1748-5827.2003.tb00146.x

Cited by 9 publications

(7 citation statements)

References 8 publications

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“…In at least two cases of parosteal and one case of a high-grade surface OSA, metastatic disease was reported, though follow-up and staging are very variable amongst publications. 22,24,27 To the authors' knowledge, there are no previously reported canine cases of metastatic periosteal OSA. In our study, a relatively high proportion of dogs with surface OSA either had metastatic disease at the time of initial presentation…”

Section: Discussionmentioning

confidence: 97%

“…Typically, surface OSA is thought to be less biologically aggressive compared to central OSA 6 . The exception to this is high‐grade surface OSA that has been rarely reported in the dog 27 and humans 28…”

Section: Introductionmentioning

confidence: 98%

“…6,[25][26] Typically, surface OSA is thought to be less biologically aggressive compared to central OSA. 6 The exception to this is high-grade surface OSA that has been rarely reported in the dog 27 and humans. 28 While all three forms of canine surface OSA have been described in case reports, further information about surface OSA in dogs is lacking.…”

Section: Introductionmentioning

confidence: 99%

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A retrospective analysis of 11 dogs with surface osteosarcoma

Cook

Lorbach

Husbands

et al. 2021

Vet Comparative Oncology

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While the majority of canine osteosarcomas (OSA) arise from the medullary cavity, a subset arises from the surface of bone. In humans, surface OSA often has a more indolent disease course with better outcomes than medullary OSA. The aim of this retrospective case series was to evaluate the clinical outcome and potential prognostic factors of dogs with surface OSA. Medical records from 11 dogs previously diagnosed with surface OSA were included. Histopathology of cases was evaluated during case review by two veterinary anatomic pathologists. Median progression free interval (PFI) and overall median survival time (OST) were estimated using Kaplan-Meier methods. Intergroup comparisons were performed using log-rank tests. Six dogs were diagnosed with periosteal OSA, 4 dogs with parosteal OSA, and one dog with an unclassified surface OSA. Two dogs were found to have metastatic disease

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Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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A retrospective analysis of 11 dogs with surface osteosarcoma

Cook

Lorbach

Husbands

et al. 2021

Vet Comparative Oncology

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“…Pulmonary metastatic masses ranged from plain cartilagenous tissue to chondrosarcomatous changes in dogs and cats 4,8 . A case of canine high-grade surface osteosarcoma was histologically confirmed to have secondary pulmonary osteosarcomatous lesions despite the lack of radiographical evidence 9 . In this case no distant metastasis was observed radiologically in clinical examination.…”

Section: Discussionmentioning

confidence: 99%

Bir Kedinin Sol Tarsal Ekleminde Parosteal Osteoklastik Osteosarkoma Olgusu

Firat¹,

Bozkurt²,

Haktanır³

et al. 2009

Kafkas Univ Vet Fak Derg

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A parosteal (juxtacortical) osteosarcoma case was diagnosed on the lateral aspect of the left tarsal joint of an 11-year-old male Siamese-crossbred cat. A radiolucent line of demarcation between the tumor and the underlying cortical bone was present. The immobile mass was of soft to firm consistency with cystic areas on the cut surface. Histologically, the tumor tissue consisted generally of large, ovoid or fusiform cells with vesicular nuclei and partially of epithelioid like mesenchymal elements and abundant osteoclastic giant cells. Cellular pleomorphism and mitotic activity were found. The tumor cells were observed to have produced partially hyalinized collagen like osteoid matrix and constituted few crude osteochondroid areas. Partial aneurismal cysts like vascular structures in association with numerous giant cells resembling osteoclasts were present in the tumoral mass with marked necrosis. Based on the radiological and histomorphological features, the tumor with numerous osteoclasts and aneurysmal cystic changes was classified as parosteal osteoclastic osteosarcoma. Keywords: Parosteal osteoclastic osteosarcoma, Tarsal joint, Cat Bir Kedinin Sol Tarsal Ekleminde Parosteal Osteoklastik Osteosarkoma Olgusu ÖzetOnbir yaşlı, Siyam melezi erkek kedinin sol tarsal eklemi lateral yüzünde parosteal (jukstakortikal) ostesarkom olgusu tespit edildi. Radyografide tümör ile alttaki kortikal kemik dokusunun radyolusent bir demarkasyon hattı ile ayrıldığı dikkati çekti. Tümoral kitlenin hareketsiz, yumuşaktan serte farklılaşan kıvamda olduğu ve kesit yüzünde kistik alanlar içerdiği izlendi. Mikroskobik olarak, tümöral dokunun çoğunlukla veziküler çekirdeğe sahip, iri, oval ya da iğsi şekilli hücrelerden; kısmen de epiteloid benzeri mezenşimal elemanlar ile çok sayıdaki osteoklastik dev hücreden oluştuğu gözlendi. Hücresel pleomorfizm ve mitotik figür tespit edildi. Tümöral hücrelerin, kısmen hiyalinize kollojen benzeri osteoid matriks ile nadiren osteokondroid alanlar meydana getirdiği izlendi. Belirgin nekrozunda olduğu tümoral kitle içinde yer yer anevrizmal kist benzeri damarsal yapılar ve bunlarla ilişkili osteoklastları andıran çok sayıda dev hücre gözlendi. Çok sayıda osteoklastik hücre ve anevrizmal kistik değişiklikler içeren tümör radyolojik ve histomorfolojik bulgulara göre parosteal osteoklastik osteosarkom olarak adlandırıldı.

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“…Approximately 50 per cent of mammary tumours are malignant as discussed by Baba (2007) and they are considered to be the second most common tumour in dogs, after skin tumours , …”

Section: Classification Of the Stages Of Tumour Development [Source: mentioning

confidence: 99%

Nursing the canine patient undergoing mammary neoplastic mass removal

Daniels¹

2013

Veterinary Nursing Journal

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The aim of this article is to give a brief overview of mammary neoplasia and the nursing care required for patients with the condition, following the removal of neoplastic tissue. An understanding of what is happening to the patient is vital in order to facilitate the provision of excellent support for both the animal and the veterinary surgeon, whether it be during the recovery period or palliatively.

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High‐grade surface osteosarcoma in a dog

Cited by 9 publications

References 8 publications

A retrospective analysis of 11 dogs with surface osteosarcoma

A retrospective analysis of 11 dogs with surface osteosarcoma

Bir Kedinin Sol Tarsal Ekleminde Parosteal Osteoklastik Osteosarkoma Olgusu

Nursing the canine patient undergoing mammary neoplastic mass removal

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