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Á¡¾×¼º À¯¹æ¾ÏÀÇ ÀÓ»óÀû °íÂû Clinicopathologic Analysis of 40 Mucinous Breast Carcinomas

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ÃÖ¿ìÁø/Woo Jin Choe °­ÇѼº/±èÁö¼ö/³ëµ¿¿µ/¹ÚÀξÖ/À±¿©±Ô/¿À½Â±Ù/ÃÖ±¹Áø/Han Sung Kang/Ji Soo Kim/Dong Young Noh/Yeo Kyu Youn/Seung Keun Oh/KuK Jin Choe/In Ae Park

Abstract

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Purpose : Mucinous carcinoma of breast was known to have a lower lymph node
metastasis and better prognosis than other type of breast cancer. This study was
performed to clarify the clinicopathologic features and prognosis of mucinous breast
carcinoma.
Materials and Methods : We reviewed clinicopathologic features of 40 patients
diagnosed mucinous breast carcinoma from Jan. 1985 to Dec. 1995 and compared 31
patients of unmixed mucinous breast carcinoma with 1128 patients of infiltrating ductal
carcinoma group.
Results : Of total 40 mucinous ca., 31 cases were unmixed type showing no
component of invasive ductal component(IDC) and 9 cases were mixed type showing
IDC. The average age of the patients was 47 ranging from 31 to 71 years. The most
common symptom was palpable breast mass(38 cases, 95%). According to TNM
classification, the numbers of unmixed type were following, stage I 14 cases(45%), stage
¥± 15 cases(48%), and stage ¥² 2 cases(7%), and of mixed type, stage I 1 cases(11%),
and stage ¥± was 8 cases(89%). Axillary lymph node metastasis was shown to be
negative in 26 cases of unmixed mucinous carcinoma(84%), whereas it did in 544 cases
of infilterating ductal carcinoma(48%)(p < 0.05). Because all patients with unmixed
mucinous carcinoma survived except 2 patients who died of cancer unrelated causes, it
was impossible to analyze the difference of outcome in unmixed mucinous carcinoma
and infilterating ductal carcinoma(5YSR: 81%).
Conclusion : Considering unmixed mucinous carcinoma had fewer axillary lymph node
metatasis than infiterating ductal carcinoma, it may be concluded that unmixed mucinous
carcinoma had better prognosis.

Å°¿öµå

Mucinous breast carcinoma; Prognosis;

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