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August 1, 2026Journal of Feline Medicine and Surgery Open ReportsOpen Access

EXPRESS: Suspected recurrent sarcoma resembling feline injection-site sarcoma with spinal cord invasion in a cat.

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Authors

EPEmily A. PopeACArin CoxCPChristopher Premanandan

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Overview

Case summary reports recurrent sarcoma with spinal cord invasion in a cat, suggesting perineural spread implications.

Key Points

  • The aim is to present a unique case of spinal cord invasion by a feline injection-site sarcoma (FISS) in a domestic shorthair cat.
  • Case evaluation of a six-year-old neutered male cat with a recurrent mass after FISS excision.
  • Advanced imaging techniques, including magnetic resonance imaging, were used to assess spinal lesions.
  • Histopathological examination confirmed the presence of a poorly differentiated sarcoma with spinal cord involvement.
  • Histopathology confirmed tumor recurrence with poor margins at the primary site.
  • Magnetic resonance imaging revealed a large extradural spinal lesion from L5 to the sacrum, indicative of intramedullary invasion.
  • Palliative treatment was implemented, but the cat succumbed to severe neurologic deterioration despite interventions.

Cite This Study

Pope et al. (2026) studied this question.

synapsesocial.com/papers/6a6d985be258b358b3c6b98bhttps://doi.org/10.1177/20551169261476927
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Case Report: Feline spinous process giant-cell osteosarcoma2026
  2. 2Case Report: Presumptive spinal embryonal tumor in a cat2025
  3. 3Non-injection-site soft tissue sarcoma in cats: outcome following adjuvant radiotherapy2022 · 8 citations
  4. 4EXPRESS: Use of a 3D-Printed Spine Model for Surgical Planning in a Feline Vertebral Chondroblastic Osteosarcoma: A Case Report2026
  5. 5Update on feline soft tissue sarcomas2025