External infiltrating lipoma in a two-week-old foal: Computed tomographic evaluation for the assessment of the extension and invasiveness of the tumour


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External lipoma is a benign subcutaneous and submucosal tumour and usually is of little clinical concern. Occasionally, the lipoma may invade muscles, the infiltrating lipoma. Complete surgical excision is mandatory because of the infiltrative nature and potentially high incidence of recurrence after inadequate surgery. In order to assess the extension of the tumour accurately, computed tomographic examination is indicated.