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핵분열 정도에 따른 점액성난소종양의 임상 및 병리조직학적 특성에 관한 연구

Other Titles
 Clinicopathological Study of Primary Mucinous Ovarian Tumor According to the Number of Mitosis 
Authors
 유명숙 
Issue Date
1981
Description
의학과/석사
Abstract
[영문]

[한글]

1970년 Scully는 난소의 상피성 낭성조양을 양성, 저악성 및 악성으로 분류하기를 제창

한 이후, 종양세포의 증식상과 기질침습 유무에 따라 낭성종양을 3가지로 나눌 때 예후에

있어서 각각 뚜렷한 차이가 있음이 보고되면서 저악성 종양의 특성이 강조되어 왔다. 그

러나 이와 같은 분류는 핵의 불규칙상, 종양세포의 증식상, 세포분열의 출현빈도, 종양세

포의 기질침습 유무 등 여러 가지 요소를 종합하여 이루어지기 때문에 병리학적인 진단에

있어서의 다소의 주관적인 차이를 초래할 소지가 있다.

따라서 저자는 1971년부터 1980년까지 국립의료원 병리학교실에서 검색한 난소의 점액

성 낭성종양 58례와 1978년부터 1980년까지 연세대하교 의과대학 병리학교실에서 검색한

40례를 합한 총 98례의 점액성 난소종양을 대상으로 조직표본에서 종양의 성장속도를 나

타내는 가장 좋은 소견이라고 생각되는 핵분열의 출현빈도를 중심으로 Woodruff등(1977)

에 따른 조직학적 grade를 정한 다음 다른 병리학적 및 임상적 소견들과 비교하여 다음과

같은 결론을 얻었다.

1. 난소의 점액성 낭성종양을 핵 분열의 출현빈도에 따라 분류(gradeⅠ: 0-1/HPF, grad

e Ⅱ: 2-3/HPF, grade Ⅲ: 4-5/HPF, grade Ⅳ: >5/HPF)하면 98례 중 grade Ⅰ이 81.6%,gr

ade Ⅱ가 11.2%, grade Ⅲ 및 Ⅳ가 각각 5.1%와 2.1%였다.

2. 난소의 점액성 낭성종양은 조직학적 grade가 증가할수록 종양상피조직의 중층증식,

핵의 불규칙성, 상피의 유두상증식, 2차 선형성 및 기질침윤의 빈도 및 정도가 증가하는

소견을 보였다.

3. 난소의 점액성 낭성종양은 조직학적 grade와 관계없이 기질침윤을 보이는 경우를 악

성, 핵분열이 0-1/HPF인 경우를 양성 나머지를 저악성으로 분류하면, 악성이 7.1%, 저악

성이 12.3%, 그리고 80.6%가 양성이었다.

4. 점액성 난소종양의 발생연령은 grade Ⅰ에서는 20대와 30대에 59.5%로서 가장 많았

고 grade Ⅱ 이상에서는 68.8%가 30대와 40대였다.

5. 점액성 난소종양의 양측성은 grade Ⅰ의 5.5%, grade Ⅱ이상의 13.3%로서 전체적으

로는 6.9%였다.

6. 점액성 난소종양의 크기는 grade Ⅰ에서 15.2㎝, Ⅱ에서 18.5㎝, Ⅲ에서 18.0㎝이었

으나 grade Ⅳ에서는 10.5㎝으로 오히려 작았으며, 다방성구조를 보인 점액성 난소종양도

grade Ⅰ 및 Ⅱ가 각각 64.4%와 75.0%인데 비하여 gradeⅢ과 Ⅳ는 각각 60.0% 및 50.0%

로서 grade가 높은 경우는 낭성구조 보다 견고성(solid) 성장을 하는 빈도가 높은 것을

알 수 있었다.

7. 점액성 난소종양을 가진 환자에서 진단시까지의 병력기간은 grade Ⅰ에서는 65.7%가

7개월 이상이었으나 grade Ⅱ 이상의 경우에는 66.7%가 6개월 이내였다





Clinicopathological study of primary mucinous ovarian tumor according to the Number

of mitosis



Myung Sook Yoo

Department of Medical Science, The Graduate School, Yonsei University

(Directed by Professor In Joon Choe, M.D.)



After Scully (1970) divided theprimary ovarian epithelial tumors into benign,

borderline and malignant varveties, it has been repeatedly emphasized that, when

the tumor is classified into three categories according tot eh depth of

stratification and the degree of stromal invasion, there are appreciable

differences in terms of prognosis in each group.

However there may be individual difference among examiners when the pathological

diagnosis is made on the basis of complex interpretation of nuclear pleomorphism,

proliferation of atypical cells, frequency of mitosis and presence or absence of

stromal invasion.

In this study histological grading was made according to the most reliable index

for the rate of cellular proliferation, the frequency of mitosis (Woodruff et al,

1977) in 98 cases of mucinous ovarian tumor. The grades of tumors were compared

with the other pathological and clinical factors, and following results were

obtained.

1. According to the frequency of mitosis, 80 cases (81.6%) of 98 primary ovarian

mucinous tumors were grade Ⅰ (0-1 mitosis/HPF), 11 cases (11.2%) were grade

Ⅱ(2-3/HPF), 5 cases (5.1%) and 2 cases (2.1%) were grade Ⅲ (4-5/HPF) and grade

Ⅳ(5/HPF) respectively.

2. The frequency and degree of proliferation of atypical cells, nuclear

pleomorphism, papillary growth, secondary gland formation and stromal invasion

corresponded well to the increasing histologic grade of primary ovarian mucinous

tumors.

3. Among the 98 ovarian mucinous tumors, 7 cases (7.1%) which showed stromal

invasion were subclassified as malignant, irrespective of the histological grades,

and all the grade Ⅰ tumors except those with stromal invasion was seen in 80.6%

and was considered as benign. The reemaining primary mucinous tumors were

categorized into borderline group which comprised 12.3% of all.

4. 59.5% of patients with grade Ⅰ mucinous tumor was seen in 3rd and 4th

decades, whereas 68.8% of those with higher grades was in the age group of 4th and

5th decades.

5. Bilaterality of the primary mucinous tumor was 6.9%; 5.5% in grade Ⅰ and

13.3% in higher grades.

6. The mean diameter of primary ovarian mucinous tumor was 15.2 cm in grade Ⅰ,

18.5 cm in grade Ⅱ and 18.0 cm in grade Ⅲ but that of grade Ⅳ tumor was rather

smaller measuring 10.5 cm. The frequency of multilocular tumor was 60% in grade Ⅰ

and 50% in grade Ⅱ, whereas it was 64.4% in grade Ⅲ and 75.0% in grade Ⅳ.

The differences of size and multilocularity between the lower and higher grades

were likely to correspond to that the higher grade tumors had a tendency of rather

solid growth than formation of cystic locules.

7. The symptom duration of patients before diagnosis of mucinous ovarian tumor

was more than 6 months in 65.7% of grade Ⅰ, where as it was less than 6 months in

66.7% higher grades.
Full Text
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