Michitaka Ohwada

BACKGROUND: Microwave endometrial ablation (MEA) is a minimally invasive treatment for menorrhagia. It has been covered by the national insurance in Japan since April 2012, and its demand has been increasing as the importance of women's hea…

Microwave endometrial ablation (MEA) is a minimally invasive treatment for uterine myoma with hypermenorrhea, which can replace conventional hysterectomy. However, cases requiring additional treatment because of postoperative recurrence are…

Introduction Microwave endometrial ablation (MEA) is beginning to be used widely in Japan as a minimally invasive alternative to conventional total hysterectomy for functional hypermenorrhea, uterine fibroids, hypermenorrhea due to organic …

ObjectiveTo investigate the effectiveness of montelukast, a leukotriene receptor antagonist, in alleviating the symptoms of dysmenorrhea.Study designThis prospective, double-blind, randomized, placebo-controlled study was comprised of 62 pa…

BACKGROUND: Intracystic papillary excrescence is a characteristic morphological feature of ovarian malignancy. A few recent reports have demonstrated that ovarian endometriotic cysts, undergoing decidualization during pregnancy, occasionall…

OBJECTIVE: To investigate the localization of the proteins osteopontin (OPN) and L-selectin (SELL). DESIGN: Retrospective nonrandomized immunohistochemical study in a surgically induced rat model of peritoneal endometriosis and in samples …

PROBLEM: Although the presence of mast cells in endometriosis lesions has been reported, there have been no reports of their pathological localization in ovarian endometrial cysts. METHODS OF STUDY: The localization of mast cells in ovaria…

Study objectivesTo investigate the pathophysiology of human endometriosis, we examined by morphological and molecular biological methods.MethodsSamples of ovarian endometriosis and normal ovarian tissues were obtained laparoscopically after…