Zahid Suhail, Mohammad Ayub Musani, Salman Afaq, Abbas Zafar, Syed Khalid Ahmed Ashrafi.
Follicular dendritic cell sarcoma of tonsil.
J Coll Physicians Surg Pak Jan ;20(1):55-6.

Follicular dendritic cell sarcoma is a very rare entity. So far only 12 cases have been reported world wide with involvement of tonsil. We present a new case of follicurlar dendritic cell sarcoma of the tonsil in a 52 years old woman with no evidence of neck node involvement. She had undergone diagnostic tonsillectomy due to unilateral tonsillar enlargement. The final diagnosis after histological review and immunohistochemical stains was follicular dendritic cell sarcoma. Bone scan showed no metastasis. One year follow-up after postoperative chemotherapy showed no evidence of local or regional recurrance. Follicular dendritic cell sarcoma is a rare and underdiagnosed neoplasm. It should be included in the differential diagosis of any tonsillar mass in adults. Follicular dendritic cell markers such as SR-100, CD21 and/or CD35 are essential for the diagnosis.

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