구개편도에서 발생한 미분화성 다형성 육종 1예
A Case of Undifferentiated Pleomorphic Sarcoma in Palatine Tonsil
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Undifferentiated pleomorphic sarcoma is one of the sarcomas that mainly occur in the extremities and retroperitoneal region. Its occurrence in the head and neck region, particularly in the tonsil and oropharynx, is rare. A 65-year-old female patient visited the hospital complaining of a foreign body sensation in her throat lasting for 10 days. Physical examination revealed a smooth surfaced pedunculated exophytic mass in the left tonsil. In the suspicion of a benign tumor, excision of the mass and left tonsil was performed. Immunohistochemistry showed positive results for CD68, CD99, and Ki-67, and negative results for CD34, SMA, S-100, and Desmin. Finally, a diagnosis of undifferentiated pleomorphic sarcoma of the palatine tonsil was confirmed. Adjuvant radiotherapy was performed and the patient has been under follow-up at an outpatient clinic for 3 years without any signs of recurrence and distant metastasis.
Abstract
Undifferentiated pleomorphic sarcoma is one of the sarcomas that mainly occur in the extremities and retroperitoneal region. Its occurrence in the head and neck region, particularly in the tonsil and oropharynx, is rare. A 65-year-old female patient visited the hospital complaining of a foreign body sensation in her throat lasting for 10 days. Physical examination revealed a smooth surfaced pedunculated exophytic mass in the left tonsil. In the suspicion of a benign tumor, excision of the mass and left tonsil was performed. Immunohistochemistry showed positive results for CD68, CD99, and Ki-67, and negative results for CD34, SMA, S-100, and Desmin. Finally, a diagnosis of undifferentiated pleomorphic sarcoma of the palatine tonsil was confirmed. Adjuvant radiotherapy was performed and the patient has been under follow-up at an outpatient clinic for 3 years without any signs of recurrence and distant metastasis.
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