[Classic Kaposi's sarcoma of the tongue: a case report].

An 81-year-old male patient presented with a painful mass in the tongue that showed a progressive growth within the past two months. Examination revealed a polypoid mass in the midline of the tongue, purple in color, and 1.5x1.5 cm in size. There was no palpable lymph node on neck examination. An excisional biopsy was performed with adequate surgical margins. The histopathological diagnosis was Kaposi's sarcoma. Clinical and radiological evaluations did not show any systemic involvement. An HIV test was negative. He was referred to the medical oncology department. No recurrence was detected during a year follow-up.