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An atypical presentation of leiomyosarcoma causing extremity compartment syndrome of the crural region in a Dutch Warmblood mare: a case report

  • Giacchi, Andrea (Pool House Equine Clinic) ;
  • Marcatili, Marco (Pool House Equine Clinic) ;
  • Withers, Jonathan (Department of Large Animal Clinical Sciences and Public Health, Division of Equine Clinical Sciences, Weipers Centre Equine Hospital, School of Veterinary Medicine, University of Glasgow) ;
  • Knottenbelt, Derek (Department of Large Animal Clinical Sciences and Public Health, Division of Equine Clinical Sciences, Weipers Centre Equine Hospital, School of Veterinary Medicine, University of Glasgow)
  • Received : 2019.08.20
  • Accepted : 2019.10.15
  • Published : 2020.01.31

Abstract

A 12-year-old Warmblood mare was presented with an acute onset left hindlimb lameness associated with generalised soft tissue swelling of the entire limb and medial saphenous vein (MSV) thrombophlebitis. A presumptive diagnosis of extremity compartment syndrome (ECS) was made. Due to the clinical deterioration, emergency fasciotomy of the crural fascia and biopsy was performed. Histological and immunohistochemical examination of the samples confirmed a diagnosis of leiomyosarcoma likely originating from the tunica media of the MSV. This report is the first to describe an unique combination of ECS and thrombophlebitis associated with a leiomyosarcoma in a horse.

Keywords

Acknowledgement

The authors would like to thank the referring veterinary surgeon and acknowledge Marco Biffarella for the schematic illustration reported in Fig. 4.

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