Thoracic radiographs demonstrated a needle-like foreign body within the myocardium of a three-year-old male labrador retriever examined for an unrelated illness. Six months later the dog became lethargic and inappetent. The original foreign body had not moved, and a second needle was present in the stomach. Laparotomy and gastrotomy revealed a sewing needle which had perforated the lesser curvature of the stomach and was migrating cranially. An organised fibrous band extended through the diaphragm, and it is suspected that the original myocardial foreign body had migrated from the stomach by this route.
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