CONTRALATERAL CERVICAL NODE METASTASIS IN PERIFORM SINUS CANCER

Accession number;04A0146729
Title;CONTRALATERAL CERVICAL NODE METASTASIS IN PERIFORM SINUS CANCER
Author; ADACHI TOMOYUKI (Kokuritsuganse Tokeibugeka) HAYASHI RYUICHI (Kokuritsuganse Tokeibugeka) SAIKAWA MASAHISA (Kokuritsuganse Tokeibugeka) HANEDA TATSUMASA (Kokuritsuganse Tokeibugeka) ASAKAGE TAKAHIRO (Kokuritsuganse Tokeibugeka) ONIZUKA TETSURO (Kokuritsuganse Tokeibugeka) KOMURO SATORU (Kokuritsuganse Tokeibugeka) OYAMA WAICHIRO (Kokuritsuganse Tokeibugeka) EBIHARA SATOSHI (Kokuritsuganse Tokeibugeka)
Journal Title;Head and Neck Cancer
Journal Code:Y0503A
ISSN:0911-4335
VOL.28;NO.1;PAGE.18-22(2002)
Figure&Table&Reference;TBL.6, REF.10
Pub. Country;Japan
Language;Japanese
Abstract;Ninety-six patients with untreated squamous cell carcinoma of piriform sinus underwent resection of primary lesion and neck dissection from 1982 to 1997 in our hospital. The incidence of contralateral cervical metastasis and factors associated with it were analyzed. The contralateral cervical metastasis was defined as follows: (1) a case of contralateral cervical metastasis histologically confirmed by bilateral neck dissection or (2) a case of the first recurrence to contralateral cervical node observed. The incidence of contralateral cervical metastasis was 32% (31/96). According to the T classification, the incidence of contralateral cervical metastasis was T1: 0%, T2: 18%, T3: 37%, T4: 32% and to the N classification, N0: 12%, N1: 13%, N2a: 17%, N2b: 39%, N2c: 100%, and N3: 75%. Cases of T1, T2, and T3 with one or less ipsilateral histological metastatic node showed lower incidence of contralateral metastasis and there was some possibility of omitting contralateral neck dissection. Cases of the primary lesion invading beyond the midline to the contralateral side showed statistically higher incidence of contralateral cervical metastasis than those remaining on ipsilateral side. (author abst.)
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