case_images: PMC11334125_01
case_images: Imageological examinations. (a) Enhanced CT scan showed a large mass with cyst wall calcified in left pelvic area; (b) ultrasound exam showed the calcified site of the cyst wall; (c) ultrasound exam showed the cyst.. CT: computed tomography.
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case_images: Vaginal ultrasonography implied a mass sized 7.8 x 8.1 x 5.4 cm and situated in the left pelvic cavity, containing irregular high echo and non-pure liquid dark area (Figure 1(b) and (c)). Subsequent abdominopelvic CT scan confirmed this, showing that there was a large cystic mass (78 x 63 mm) located in the left adnexal area (Figure 1(a)).
case_images: Images of tumor. (a) Gross examination of tumor pre-operation; (b) the tumor was resected and packed in special specimen bag.
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case_images: During the surgery, on gross examination, as shown in Figure 2, we found that the surface of bilateral annex was smooth, and both ovaries were complete without rupture.
case_images: Representative histological images. (a) The segmental area was covered with squamous epithelial cancer, and infiltrated into the interstitial (HE40). (b) In the stroma, the cells of SCC grew in a nest-like infiltrate pattern. The nuclei were large and deeply stained, the nuclear division was observed, the atypia was obvious, and the intercellular bridge was visible, suggesting squamous cell differentiation (HE100).. SCC: squamous cell carcinoma.
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case_images: Figure 3. Finally, it concluded pathologically that it was SCC of mature cystic teratoma in the left ovary, and the left fallopian tube was free of tumor.