A case of paranasal sinus fibromatosis in an 11-year-old Thoroughbred gelding is reported.
At admission the gelding underwent a unilateral frontal sinusotomy and a paranasal sinus mass was extensively debulked.
The mass was diagnosed via histopathology as a desmoid fibromatosis with bone invasion, reactive osteoclastic osteolysis and osteoproliferation.
The gelding had radiographic evidence of slow recurrence of the mass 8 months post operatively.
The histopathological appearance and short-term outcome are presented for this previously undiagnosed condition of the horse.
Recognition of paranasal fibromatosis and the resultant differentiation from other types of paranasal sinus neoplasia may allow for improved prognostication of equine sinus lesions.
Source: B. J. Ahern, J. Engiles, J. J. Smith, E. J. Parente (2009): Paranasal sinus fibromatosis in a horse. In: Equine Veterinary Education Volume 22 Issue 1, Pages 23 - 28
Published Online: 10 Dec 2009
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