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Mammals (other)
Recurrent subcutaneous and muscular angiomatosis with spontaneous regression in a foal
  1. Simona Cerri1,
  2. Sandra Jolly2,
  3. Geoffroy De La Rebière de Poyade1,
  4. Valeria Busoni1 and
  5. Carla Cesarini3
  1. 1Université de Liège Faculté de Médecine Vétérinaire, Liege, Belgium
  2. 2Laboratory Vetbiolab, Heusy, Belgium
  3. 3Pôle Equin, Universite de Liege Faculte de Medecine Veterinaire, Liege, Belgium
  1. Correspondence to Dr Simona Cerri; cersimo{at}


A three-month-old colt was referred to the University of Liège’s teaching hospital for investigation of several painful masses that had developed progressively in different body areas since its first month of life. Clinical examination revealed tachycardia, tachypnoea and bilateral front limb stiffness. Warm and painful swellings, covered with undamaged skin, were noted over both elbows, left shoulder, withers and left gluteal region. Haematology showed leucocytosis and neutrophilia. Radiographical and ultrasonographical imaging of different regions revealed no skeletal abnormalities but a severe subcutaneous thickening in the region of the withers. A surgical biopsy of the gluteal swelling allowed the diagnosis of subcutaneous and muscular angiomatosis. Before a diagnosis was obtained, the foal was treated with anti-inflammatory drugs, broad-spectrum antimicrobials and gastric protectants. The foal was discharged after a two-week hospitalisation period. Nine months later it was reported to be healthy and growing normally. Previous masses had spontaneously regressed but new ones had appeared.

  • horse
  • muscle
  • vascular
  • hemangioma
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  • Contributors GDLRdP did the work-up of the case and VB performed medical imaging investigation during the first visit of the foal. SC and CC performed the work-up of the case on the second visit, as well as wrote the first draft of the manuscript. SJ performed the histological examination of the biopsies and confirmed the diagnosis. GDLRdP, VB and SJ have written their respective sections of the manuscript (orthopaedic examination, medical imaging and pathology). All authors have participated in the critical revision of the manuscript and approved its final version.

  • 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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