PLEOMORPHIC ADENOMA OF THE NASAL SEPTUM: REPORT OF TWO CASES AND REVIEW OF JAPANESE LITERATURE
Nippon Jibiinkoka Gakkai Kaiho
Two cases of pleomorphic adenoma of the nasal septum were reported, and a statistical and clinical observation was made on 19 cases of pleomorphic adenoma of the nasal septum collected from Japanese literature. Case 1: A 70-year-old woman was admitted to the out-patient clinic of the ENT department of the Tokyo Medical and Dental University on October 17, 1975, with the complaints of right-sided nasal obstruction, recurrent epistaxis, and a swelling on the right side of the external nose.
... xternal nose. Examination showed a large, grayish pink, rounded mass almost completely filling the right nasal cavity. Successful surgical excision was performed via the intranasal approach. Histopathological examination showed plemorphic adenoma (mixed salivary tumor) showing mainly masses of oval cells with duct-like structure, mucinous tissue and cartilage-like tissue also seen with occasional of squamous metaplasia foci. Postoperative course was uneventful and there has been no recurrence. Case 2: A 67-year-old woman was admitted to the university hospital on May 23, 1978, with the complaints of right-sided nasal obstruction and recurrent epistaxis of 5 years' duration. Examination showed a large, smooth, grayish pink, rounded mass almost completely filling the right nasal cavity. The tumor was excised by lateral rhinotomy as it was too big to be completely removed otherwise. Histopathological examination showed pleomorphic adenoma. Postoperative course was uneventful and there has been no recurrence. From the statistical and clinical observation on 19 cases of pleomorphic adenoma of the nasal septum in Japanese literatures, the following results were obtained . 1) Ages ranged from 23 to 70-year-old. 2) There were 12 female and 7 male patients . 3) The most frequent chief complaints were epistaxis, nasal obstruction , and a swelling of the external nose. 4) In 11 cases, tumors located in the right side , and in 8 cases, in the left side. 5) The duration of symptoms ranged from 3 months to 20 years . 6) As surgical procedure, the intranasal approach was used more frequently , that was in 12 cases while the extranasal approach was employed in 6 cases . 7) All cases were followed and no recurrence was reported .