A histogenetic consideration of ovarian mucinous tumors based on an analysis of lesions associated with teratomas or Brenner tumors

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Abstract
To Investigate the histogenesis of ovarian mucinous tumors, clinicopathologic and histologic studies of mucinous tumors associated with teratomas or Brenner tumors were performed. Of 458 ovarian mucinous tumors, 13 (2.8%) and 8 (1.7%) were associated wlth teratomas or Brenner tumors, respectively. Of patients younger than 40 years, 5.1% had teratomas. Of patients 50 years or older, 3.5% had Brenner tumors. Histologically, nine lesions with teratomas and six lesions with Brenner tumors showed transitions or intimate admixtures of both eiements. The findings of the present study suggest that teratomas and Brenner tumors make small contributions to the histogenesis of ovarian mucinous tumors but may give rise to some mucinous tumors, especially in younger patients and older patients, respectively.