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Majhi U, Shirley S, Murhekar K: Follicular dendritic cell sarcoma of oral cavity: report of 2 cases. Indian J Pathol Microbiol. 2007 Jul;50(3):545-7.
We report 2 cases of Follicular Dendritic Cell Sarcomas of Oral Cavity in two elderly patients. The patients presented with oral cavity tumors. Initial tru-cut biopsies in both cases revealed spindle cell neoplasms. One of them was of low grade malignancy and showed positivity for of Vimentin. Few cells showed positivity for keratin and were negative for S-100 protein, CD 34, CD 68, EMA, SMA, HMB-45. A possible diagnosis of low grade fibrohistiocytic tumor was made. He underwent Lt total maxillectomy. Three years later he presented back with regional nodal metastasis. The regional lymph nodes showed features of follicular dendritic cell sarcoma. The second case revealed high grade spindle cell neoplasm and showed positivity for vimentin and S100 protein and was negative for EMA, keratin, CD-34, desmin, muscle actin and HMB-45. He was offered initial radio-therapy followed by hemifacial resection. The histology along with immuno histochemistry favoured a diagnosis of follicular dendritic cell sarcoma. He presented with local recurrence two months later. Both the cases are discussed in detail. |
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