Publications by authors named "Sakaiya N"

Data augmentation is reported as a useful technique to generate a large amount of image datasets from a small image dataset. The aim of this study is to clarify the effect of data augmentation for leukocyte recognition with deep learning. We performed three different data augmentation methods (rotation, scaling, and distortion) as pretreatment on the original images.

View Article and Find Full Text PDF

Background: Ependymoma is a tumor that usually develops in the central nervous system and is extremely rare in the ovary. The first case of ovarian ependymoma was reported by Kleinman et al. (Kleinman GM, Young RH, Scully RE.

View Article and Find Full Text PDF

Background: Ovarian ependymoma is an extremely unusual teratoma of the ovary with only eight cases previously reported in the literature worldwide.

Case: A 26-year-old woman presented in 1992 with a sensation of abdominal fullness. The laparotomy revealed ovarian cancer (stage III), which proved to be an ependymoma pathologically.

View Article and Find Full Text PDF

We encountered a case of Stage Ic ovarian serous borderline malignancy in the first trimester of pregnancy. At laparotomy, spontaneous rupture of the capsule and a small amount of serous ascites was observed. Because of the laparotomy during pregnancy, correct staging of the tumor might not be performed.

View Article and Find Full Text PDF

Among patients with uterine cervical cancer, glassy-cell carcinoma is very rare. The disease occurs mainly in younger patients, is rapidly progressive, and has a poor prognosis. We describe a case of glassy-cell carcinoma of the uterine cervix, in which preoperative intra-arterial chemotherapy was surprisingly effective.

View Article and Find Full Text PDF