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Case Reports
. 1988 Jan;166(1 Pt 1):109-10.
doi: 10.1148/radiology.166.1.3275964.

Yolk sac calcification: a sonographic finding associated with intrauterine embryonic demise in the first trimester

R D Harris  1 , L M Vincent, F B Askin
Affiliations
Case Reports

Yolk sac calcification: a sonographic finding associated with intrauterine embryonic demise in the first trimester

R D Harris et al. Radiology. 1988 Jan.

Abstract

Two cases of the sonographic demonstration of yolk sac calcification associated with first-trimester intrauterine embryonic demise are reported. Histologic verification was obtained in one case. Yolk sac calcification may reflect typical dystrophic changes or be more specifically related to a yolk sac calcium-binding protein. Awareness of this sonographic finding--which the authors believe to be previously undescribed--may prevent diagnostic errors.

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