Sato Y

The Japan Society for Endoscopic Surgery (JSES) conducts a nationwide survey every 2 years to evaluate the status and trends of endoscopic surgery in Japan. This article reports the results of the 17th Nationwide Survey conducted by the JSE…

Carcinoma arising from deep infiltrating endometriosis (DIE) and extending into the rectovaginal septum is extremely rare. Its treatment requires extensive surgical resection and adjuvant chemotherapy. Herein, we present a case demonstratin…

Mammary-type myofibroblastoma (MTMF) is a rare benign tumor of mesenchymal cells that occurs in the inguinal region, abdominal wall, buttocks, back, and vaginal wall. When a soft tissue mass develops in the inguinal region, there may be a r…

BackgroundFertility 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 repeat…

BackgroundAccurate clinical staging is crucial for selection of optimal oncological treatment strategies in non-small cell lung cancer (NSCLC). Although brain MRI, bone scintigraphy and whole-body PET/CT play important roles in detecting di…

Recently, the employment rate of women in Japan has steadily increased. Approximately 80% of women experience menstrual pain and premenstrual syndrome (PMS). These symptoms decrease a woman's quality of life and her work productivity, leadi…

STUDY QUESTION: How is the localisation of ovarian follicles affected by ageing and chronic diseases? SUMMARY ANSWER: Ovarian follicles shift deeper towards the medulla, due to thickening of the tunica albuginea (TA), with ageing and some …

ObjectiveTo elucidate the risk factors associated with resignation from work of Japanese women undergoing infertility treatment.MethodsA total of 1727 female patients who attended a private fertility clinic in Japan participated in the Japa…

(1) Background: Previous reports have indicated that cancers of the stomach, lung, and pancreas can be detected by dog sniffing, but results have been varied. Here, a highly trained dog was used to determine whether urine from patients with…

AimTo investigate the location to which a pancreatic stent should be inserted to prevent post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP).MethodsOver a ten-year period at our hospital, 296 patients underwent the…

This is the first English language report describing the expectant management for abdominal pregnancy. The patient was a 31-year-old multiparous woman who was transferred to our hospital on suspicion of ectopic pregnancy. Her serum human ch…

AimOutside of Japan, recombinant-human chorionic gonadotropin (r-hCG) is widely used for the induction of final follicular maturation and early luteinization in women undergoing ovulation induction; whereas in Japan, urine-derived hCG (u-hC…

PurposeThyroid dysfunction and autoimmune thyroiditis are associated with fertility in women of reproductive age. Anti-Müllerian hormone (AMH), a known biomarker of ovarian function, may be affected by impaired thyroid function; however, th…

Ovarian seromucinous borderline tumors (SMBTs) are rare. They architecturally resemble serous borderline tumors but are much more frequently associated with endometriosis. The coexistence of other tumors with seromucinous tumors is also ext…

PurposeTo determine the factors that affect oocyte extraction efficiency when using the "combined procedure". In the present "combined procedure" ovarian tissue cryopreservation and oocyte extraction from an isolated ovary, later used in In…

The primary objectives of the present study are to determine the period of onset of ovarian insufficiency after surgery and to confirm potential risk factors for ovarian insufficiency after surgery for the removal of benign ovarian cysts. D…

BACKGROUND: We evaluated the effectiveness of low-dose patient-controlled epidural analgesia (PCEA) in the patients undergoing laparoscopic gynecological surgery, and investigated the difference of postoperative pain between patients for la…

Abstract Objective: In order to assess the endocrinological changes associated with 2 types of low‐dose GnRH agonists depot as well as their clinical efficacy, we performed a randomized prospective comparison study of patients having uterin…

Biapenem is a new injectable carbapenem antibiotic which has favorable pharmacokinetic properties, and is stable to hydrolysis by dehydropeptidase I. Biapenem inhibited more than 90% of clinical isolates of Streptococcus agalactiae, Escheri…

Study objectiveTo evaluate the effectiveness of ketamine compared with fentanyl as analgesia or sedation for microlaparoscopy.DesignProspective, randomized study (Canadian Task Force classification I).SettingUniversity-affiliated hospital.P…

We investigated the effects of clarithromycin (CAM) on clinical and endometrial immune responses in chronic intrauterine infection (pyometra). CAM was orally administered in a dose of 200 mg once a day for 4 months (long-term/low-dose treat…

BACKGROUND: Transvaginal ultrasound-guided aspiration of ovarian endometrioma has been applied and emphasized as a safe and simple procedure. CASE: Two 27-year-old infertile women, both gravida 0, para 0, underwent medical follow-up examina…

We evaluated the efficacy of a new quinolone, DU-6859a, using a new model of rat uterine endometritis. Rats were infected with mixed inocula of Escherichia coli and Bacteroides fragilis. The MICs of DU-6859a and levofloxacin against E. coli…

Polymicrobial infections with aerobes and anaerobes are common in female genital tract infections. We evaluated the efficacy of an injectable new quinolon, pazufloxacin, using a uterine endometritis model. Rats were infected with a mixed in…

This paper is concerned with a rare clinical entity, i.e. leiomyomatosis of pelvic promontory lymph node in a 50-year-old Japanese woman and leiomyomatosis peritonealis disseminata in a 41-year-old one. Despite such daughter nodules, all of…