1.serous cystadenoma
¨çmucinousó·³ Ä¿ÁöÁö´Â ¾ÊÀ½
¨è25% malignant change
¨égross>external surface - smooth, free
papillary growth¸¦ ÇÒ°æ¿ì Ư¡Àû
content - thin watery fluid
microscopic> low columnal epi ·Î lining, single layer
psammoma body
¨êorigin - ovaryÀÇ surface epithelium
2.boderline malignancy
¨çÁ¶Á÷ÇÐÀûÀ¸·Î´Â benignÀÌÁö¸¸ ÀÓ»óÀûÀ¸·Î´Â malignancy
¨ègross>multilocated cystic lesion with internal papillary excrescences
bilateral
micro>malignant ¼Ò°ßÀº ³ªÅ¸³ª³ª mitosis 1°³/HPFÀÌÇÏ
destructive invasion¾øÀ½
epitherial proliferation with the formation of a`true papillus`
loose cellular cluster
psammoma body¸¹À½
stromal necrosis ȤÀº inflammationÀÖÀ»°æ¿ì well-differentiated ca.»ý°¢
¨é50%À̻󿡼 ovary¿¡ ±¹ÇÑ
¨ê20%°¡ 30¼¼ ÀÌÇÏ
3.malignant
¨ç°¡Àå ÈçÇÑ epitherial malignancy(50%)
¨ègross> external and internal papillary growth
¡¦(»ý·«)
¨édifferentiationÀº Áß¿äÇÑ prognostic factor
|