Yoshihito Yokoyama
ORCID: 0000-0001-5214-512X
· 13 papers in corpus
observational
2026
Background/Objectives: Placental abruption has a high risk of recurrence, but the timing of recurrence relative to the previous episode remains unclear. This study described the gestational-age distribution of recurrent placental abruption …
nonrandomized-trial
2024
BACKGROUND: Fertility preserving therapy using medroxyprogesterone acetate (MPA) is an important option for young patients with endometrial cancer or atypical endometrial hyperplasia (AEH). However, the effectiveness and feasibility of repe…
observational
2024
BACKGROUND: Recently, a history of endometriosis has been reported to be associated with several perinatal complications. However, it is unknown whether pre-pregnancy treatment for endometriosis reduces perinatal complications. In this stud…
lab-animal
2022
Ovarian cancer is the most common cause of gynecological malignancy-related mortality since early-stage disease is difficult to diagnose. Advanced clear cell carcinoma of the ovary (CCCO) has dismal prognosis, and its incidence has been inc…
observational
2022
BACKGROUND: Recent studies on fertility awareness among the reproductive population have reported the lack of accurate knowledge about fertility and assisted reproductive technologies. However, there has been little information regarding wo…
case-report
2020
INTRODUCTION: Although uterine rupture is well discussed, uterine laceration and partial myometrial laceration are little known. A previous report hypothesized that the stress of labor was associated with uterine laceration. PRESENTATION O…
2020
observational
2018
PURPOSE: To define the median endometrial thickness (ET) in office gynecology is thought to be important for clinical practice. However, there are few reports about ET that have included the general female population on a large scale. The m…
2017
2016
observational
2014
OBJECTIVE: Loss of ARID1A is related to oncogenic transformation of ovarian clear cell adenocarcinoma. The present study was conducted in epithelial ovarian cancer of all tissue types to investigate whether an increased or decreased express…
lab-animal
2012
OBJECTIVE: To investigate whether omentectomy is required in the operation for ovarian cancer, in particular at the early stage. STUDY DESIGN: F344 nude rats were divided into two groups: one in which laparotomy and omentectomy were perfor…
other
2012
OBJECTIVES: ARID1A is a recently identified tumor suppressor participating in chromatin remodeling. Somatic inactivating mutations of ARID1A and loss of its expression occur frequently in ovarian clear cell and endometrioid carcinomas and i…