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Several diagnostic procedures were performed during
hospitalisation. Piroplasmosis and leptospirosis serology
were negative and an upper respiratory endoscopy and
transtracheal aspirate were within normal limits. Thoracic
radiography revealed a metal linear foreign body
superimposed on the cranioventral aspect of the
abdomen near to the diaphragm (Fig 1). Transabdominal
ultrasonographic images confirmed the presence of a
foreign body within a 18 cm diameter, circular mass with
heterogenous and hypoechoic contents, 3 cm deep in the
skin (Fig 2). An increased amount of abdominal fluid was
also observed but no abdominal organs seemed to be
attached to this mass. The mass was sampled for
cytological and bacterial evaluation. Cytological
evaluation revealed a majority of neutrophils and culture
of the sample isolated Streptococcus equi zooepidemicus.
Abdominocentesis was repeated and was successful
producing a sample of cloudy yellow fluid. Cytological examination of the abdominal fluid revealed elevated
total proteins, 48 g/l (rr: