Primary leiomyosarcoma of the pharynx is extremely rare. A review of the literature revealed only 7 cases of pharyngeal leiomyosarcoma in Japan. We describe the case of a 72-year-old man with a leiomyosarcoma of the middle pharynx in this paper. Seven years ago, the patient had a malignant melanoma of the pharynx, and total extirpation of the tumor was performed with reconstruction of the pharynx using a pectoralis major myocutaneous flap, irradiation (20 Gy), and chemotherapy. In this case, leiomyosarcoma arising from the pharynx occurred in the irradiation field. Only 12 cases of radiation-induced leiomyosarcoma have been reported in the Japanese and foreign literature.
Jay H. Lubin, Mia M. Gaudet, Andrew F. Olshan, Karl T. Kelsey, Paolo Boffetta, Paul Brennan, Xavier Castellsagué, Chu Chen, María Paula Curado, Luigino Dal Maso, Alexander W. Daudt, Eleonóra Fabiánová, Leticia Fernández, Victor Wünsch‐Filho, Silvia Franceschi, Rolando Herrero, Sérgio Koifman, Carlo La Vecchia, Philip Lazarus, Fabio Levi, Jolanta Lissowska, ,
Stephen M. Schwartz, José Eluf‐Neto, Philip Lazarus, Alexander W. Daudt, Renato Talamini, Elena Matos, Jay H. Lubin, Victor Wünsch‐Filho, Ana Maria Baptista Menezes, Fabio Levi, Chu Chen, Xavier Castellsagué, Erich M. Sturgis, Joshua Muscat, Richard B. Hayes, Paolo Boffetta, Luigino Dal Maso, Neonilia Szeszenia‐Dabrowska, Silvia Franceschi, Zuo‐Feng Zhang, Deborah M. Winn, Andrew F. Olshan,
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