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Abscessation associated with an intramuscular haemangiosarcoma in a dog
  1. Molly K Gasparini,
  2. Laura E Selmic,
  3. Matthew Cook,
  4. Megan Brown and
  5. Vincent A Wavreille
  1. Department of Clinical Sciences, Ohio State University College of Veterinary Medicine, Columbus, Ohio, USA
  1. Correspondence to Dr Laura E Selmic; laura.selmic{at}


Haemangiosarcoma (HSA) is a neoplasm of the endothelial cells. Intramuscular HSA is an uncommon presentation of this endothelial cell neoplasm. This report describes an unusual case of an intramuscular HSA arising in the hindlimb of a dog with associated abscessation. Diagnosis of underlying HSA was complicated by associated infection and initial cytological evaluation showed only septic suppurative inflammation. However, due to the heterogeneously contrast enhancing appearance of the area on CT, underlying neoplasia was suspected. Definitive diagnosis of HSA could only be made following excision and histopathology of the affected muscle in addition to immunohistochemistical stains. This dog received multimodal treatment including surgery, radiation and chemotherapy, and despite developing metastatic lesions, was alive 12 months after presentation, at the time of manuscript writing. Deep abscessation can occur concurrently with neoplasia, and neoplasia should remain on the differential diagnosis list for deep abscesses of unknown aetiology.

  • bacterial diseases
  • chemotherapy
  • dogs
  • oncology
  • surgery
  • radiotherapy
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  • Contributors All authors were involved in clinical case management of this patient, the writing and editing of this clinical case report.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement All data relevant to the study are included in the article.

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