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. 2008 Nov-Dec;33(6):736-9.
doi: 10.1007/s00261-007-9355-5.

Yolk sac tumor of the ovary: CT findings

Hyuck Jae Choi  1 , Min Hoan Moon, Seung Hyup Kim, Jeong Yeon Cho, Dae Chul Jung, Sung Ran Hong
Affiliations

Yolk sac tumor of the ovary: CT findings

Hyuck Jae Choi et al. Abdom Imaging. 2008 Nov-Dec.

Abstract

Background: The purpose of this study was to evaluate computed tomographic (CT) findings of pathologically proven yolk sac tumors of the ovary.

Methods: Two radiologists retrospectively evaluated CT findings of 10 yolk sac tumors in consensus. The presence of bright dot sign; laterality; presence of necrosis; size, margin, and shape of the mass were analyzed.

Results: Mean age of patients was 22 years (ranging from 11 to 34 years). Mean size of the tumors was 14 cm (ranging from 11.1 to 18.5 cm). All 10 tumors showed bright dot sign, necrotic portion, and smooth margin in post-contrast CT scan. All the tumors were unilateral. Nine of 10 tumors showed oval shape.

Conclusions: On CT scans, ovarian yolk sac tumors appeared as large, unilateral, smooth marginated mass with bright dot sign and necrotic portion.

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