Oesophageal angioleiomyosarcoma in a cat

A female spayed domestic longhair cat aged 3 years and 9 months was referred for investigation of regurgitation and weight loss of 2 months’ duration. Thoracic radiographs revealed a soft tissue mass within the cranial mediastinum causing focal oesophageal dilation. Computed tomography confirmed a c...

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Bibliographic Details
Published inJournal of feline medicine and surgery Vol. 16; no. 10; pp. 846 - 852
Main Authors Teo, Lesley HW, Cahalan, Stephen D, Benigni, Livia, Halfacree, Zoe
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.10.2014
Subjects
Angiomyoma - diagnostic imaging
Angiomyoma - surgery
Angiomyoma - veterinary
Animals
Case Reports
Cat Diseases - diagnostic imaging
Cat Diseases - pathology
Cat Diseases - surgery
Cats
Esophageal Neoplasms - diagnostic imaging
Esophageal Neoplasms - surgery
Esophageal Neoplasms - veterinary
Esophagus - diagnostic imaging
Esophagus - pathology
Esophagus - surgery
Female
Immunohistochemistry - veterinary
Leiomyosarcoma - diagnostic imaging
Leiomyosarcoma - surgery
Leiomyosarcoma - veterinary
Radiography
Thoracotomy - veterinary
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Summary:A female spayed domestic longhair cat aged 3 years and 9 months was referred for investigation of regurgitation and weight loss of 2 months’ duration. Thoracic radiographs revealed a soft tissue mass within the cranial mediastinum causing focal oesophageal dilation. Computed tomography confirmed a contrast-enhancing mass located cranial to the heart base, possibly originating from the oesophagus. Exploratory thoracotomy revealed an intramural soft tissue mass within the ventral oesophageal wall. Surgical excision of the mass and reconstruction of the oesophagus around an oesophageal tube was performed successfully. Histopathological examination of the mass was compatible with a spindle cell tumour with a prominent vasoformative component. Immunohistochemistry was positive for α-smooth muscle actin and von Willebrand factor protein, and negative for CD117/c-kit protein. Both histopathological and immunohistochemical findings confirmed the diagnosis of an angioleiomyosarcoma. The cat was clinically well 6 months postoperatively. To our knowledge, this is the first report of an oesophageal angioleiomyosarcoma in a cat.
Bibliography:ObjectType-Case Study-2
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ISSN:1098-612X
1532-2750
1532-2750
DOI:10.1177/1098612X14527473