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KMID : 0370819950100010090
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Yonsei Journal Dental Science
1995 Volume.10 No. 1 p.90 ~ p.102
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An Epidemiological Study on oral Cancer in korean
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Abstract
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Oral cancer is defined as malignant neoplasms of lip, tongue, oral cavity and pharynx. Such complicated and relatively large areas of specific function make patients to complain various kinds of signs and symptoms. Therefore several departments
such as
oral & maxillofacial surgery, otorhinolaryngology, general surgery, plastic surgery, internal medicine, radiation oncology etc. are faced with oral cancer.
Even though treatment strategies for oral cancer have developed remarkably during these ten years, a unified policy for managing oral cancer patients is still absent. In order to organize a unified management policy, Korean Association of Oral &
Maxillofacial Surgeons has established "Oral Cancer Research Institute" in 1994. Afterwards, for the preliminary study to identify the present scope of oral cancer in Korea, the author has reviewed medical records of total 767 cases each has a
history
of admission at severance hospital, yonsei university, seoul, Korea. Then 392 cases of which quality of documentation and status of preservation are regarded as relatively favorable were selected as the subjects.
@ES The following conclusions were yield from the epidemiologic study:
@EN 1. Overall male to female ratio is 1.9 : 1 and both genders showed peak age distribution in the fifth decade (age 50-59 years).
2. More than half of patients(55.6%) visited department of ENT for the first time and biopsies were most frequently performed (79%) at the first places.
3. 55.1% of all the patients complained abnormal mass on the primary site or neck as their chief complaint, mean duration of chief complaint was 18.9 months.
4. Among all the carcinomas, squamous cell carcinoma was found in 49.7% of patients and tongue was the most prevalent site of primary involvement of squamous cell carcinoma(36.4%).
5. From the site specific rate distribution, nasopharynx was the most prevalent site of carcinoma involvement(26.5%).
6. Distant metastasis was identified in 14.3% of all patients, among them lung was found to be the most prevalent site of distant metastasis(26.5%).
7. Various combination of treatment modalities were performed, although generalized chemotherapy alone and surgery alone were found 27.0% and 15.3% respectively.
8. Any kinds of treatment including surgical intervention showed 50.5% in treatment specific rate distribution and combined neck node dissection with surgery were performed in 94 cases (47.5%).
9. COMMANDO was performed in 23 cases and primary reconstruction of mandible have conducted to all of them.
10. 83.6% of all the patients were discharged in fair condition.
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