http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
徐鎭民,李聖行 慶北大學校 醫科大學 1972 慶北醫大誌 Vol.13 No.2
Three hundred and ninety four cases of oral cancer, treated at the Winship Clinic, Emory University hospital during 1937-1952, were studied. Epidermoid carcinomas arising from anterior tonsillar pillar anteriorly, soft and hard palate, tongue, floor of mouth, buccal mucosa, upper and lower alveolar ridge were included and cancers arising from the lip were excluded. Those who had experienced previous treatment before admission (78 cases), no histological diagnosis (15 cases), and histology other than epidermoid cancer (4 cases) were not included in this study but those 9 lost to follow up before 5 years were included in this 394 study group. Male patients were 231 cases (59%) and female were 163 cases (41%), Snuff users were 78 cases (19%) out of 394 cases. Snuff dipping was more common among female patients (female 44% vs. male 2.6%). Anatomical locations of oral cancer were so divided as to point out the direct contact of the snuff to the mucous membrane of the oral cavity. Tumors were graded histologically by Broders' classification. Stages of disease were classified into four stages. Survival rate was calculated by life table method. The principle of surgery was that the primary lesion was widely excised. The radical neck dissection was performed only when the neck lymphnodes were palpable and movable. Roentgen radiation was given internally and/or externally. For some indicated cases, radium needles and radon seeds were implanted locally. In summary intraoral cancer associated with snuff dipping had the following characteristics. 1. Intraoral cancer associated with snuff dipping occurred predominantly in female patients. 2. This cancer showed histologically low grade tumor. 3. This cancer was associated with increased incidence of leukoplakia and of intraoral new primary but with decreased incidence of regional metastasis. 4. This cancer revealed increased 5 year survival rate. 5. Those patients treated by surgery appeared to have higher survivals than those treated by radiation. However it must be remembered that this was a retrospective study and the reasons surgery or radiation was chosen could not determined from the charts reviewed. Therefore direct comparison of survival data of the two groups might be questioned. However it could be said that the difference in survival was not due to selection by the stage of disease.