원저

이하선 악성종양의 임상학적 고찰

이재우1, 김서규1, 이일우1, 박형진1, 백무진1, 노환중1, 고의경1, 전경명1, 왕수건1
Jae-Woo Lee1, Seu-Gyu Kim1, Il-Woo Lee1, Hyung-Jin Park1, Moo-Jin Baek1, Hwan-Jung Roh1, Eui-kyung Goh1, Kyong-Myong Chon1, Soo-Geun Wang1
Author Information & Copyright
1부산대학교 의과대학 이비인후과학교실
1Department of Otolaryngology, College of Medicine, Pusan National University, Pusan, Korea

© Copyright 1998 The Busan, Ulsan, Gyeoungnam Branch of Korean Society of Otolaryngology-Head and Neck Surgery. This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Published Online: May 31, 2020

ABSTRACT

Malignant parotid tumors are uncommon in the field of head and neck cancer. It has various kinds of histopathology. According to histopathologic type, it's prognosis is different. Authors wanted to know the characteristics of malignant parotid tumor and its prognosis. We reviewed retrospectively 16 patients who were operated as malignant parotid tumor from January 1987 to January 1997 at department of otolaryngology, Pusan National University Hospital. Postoperative radiotherapy was done in 69%(11 cases) and operation aloneündude RND) was done in 31%(5 cases).

The results were as follows.

  1. In histopathologic type, mucoepidermoid carcinoma was 31%(5 cases), adenoid cystic carcinoma 25%(4 cases), acinic cell carcinoma 19%(3 cases), malignant mixed tumor 13%(2 cases), adenocarcinoma 6%(1 case), myoepithelial cell carcinoma 6%(1 case) in order.

  2. The sex ratio of male to female was 1 :1.6 and the peak incidence of age was fourth and fifth decade.

  3. Main symptom was palpable mass in all cases. The other symptoms were pain 38%(6 cases), facial nerve paralysis 25%(4 cases) and pathologic bone fracture due to tumor invasion 13%(2 cases) in order.

  4. The size of tumor was variable and almost cases were less than 6 cm.

  5. Postoperative complications were total facial nerve paralysis 31%(5 cases), partial facial nerve paralysis 25%(4 cases), Frey's syndrome 19%(3 cases) and facial edema and flushing 6%(1 case) in order.

  6. According to Kaplan-Meier method, the 5 year survival rate was 81% and it's results were relative favorable

Keywords: Parotid gland; Malignant tumor; Clinical analysis