PMC6441504_01
(a) Papillary thyroid carcinoma arising in struma ovarii. (b) Vascular invasion of malignant struma ovarii.
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fig1
Pathology showed a 6.0 cm malignant struma ovarii, with predominantly follicular variant papillary thyroid carcinoma in the left ovary (Figure 1(a)). The tumor, classified as pT1a pNx; FIGO IA, was organ confined but with lymphatic/vascular invasion (Figure 1(b)).
(a) Well circumscribed nodule composed of papillary thyroid carcinoma with solid, follicular, and papillary architecture surrounded by fibrosis. (b). Areas with papillary architecture with cytologically enlarged nuclei with grooves and open chromatin.
CRIE2019-7964126.002.jpg
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fig2
Pathology revealed a 0.6cm papillary thyroid carcinoma with no lymphovascular invasion (Figure 2).