Masanori Isobe

No ORCID on file · 12 papers in corpus · active 2008-2026

Study types

  • article 8
  • other 2
  • preprint 1
  • rct 1

Condition tags

  • endometriosis 7
  • dysmenorrhea 4
  • endometrioma 2
  • infertility 1
  • thoracic_endometriosis 1
other 2026
Correction to: Efficacy and Safety of 48-Week Low-Dose Dienogest Treatment in Patients with Endometriosis-Associated Dysmenorrhea: A Randomized, Open-Label, Parallel-Group Trial
Advances in therapy ·doi:10.1007/s12325-025-03464-5
article 2025
A case of diaphragmatic endometriosis diagnosed by laparoscopic surgery
·doi:10.5180/jsgoe.41.2_99

Endometriosis is a benign gynecological disorder characterized by the implantation of ectopic endometrial tissue outside the uterine cavity. Endometriotic lesions are commonly found in the pelvic cavity. Extra-pelvic endometriosis occurs mu…

article 2025
A case of laparoscopic surgery for a heterotopic pregnancy with peritoneal pregnancy
·doi:10.5180/jsgoe.41.2_54

This report describes a rare case of simultaneous intrauterine and Douglas fossa peritoneal pregnancy after artificial insemination, treated by laparoscopy. The patient was 35 years old with a history of two pregnancies and one delivery. Th…

rct 2025
Efficacy and Safety of 48-Week Low-Dose Dienogest Treatment in Patients with Endometriosis-Associated Dysmenorrhea: A Randomized, Open-Label, Parallel-Group Trial
Advances in therapy ·doi:10.1007/s12325-025-03397-z

INTRODUCTION: Dienogest (DNG) is widely used to manage endometriosis-associated pain; however, long-term data comparing low and standard doses are limited. Therefore, this study aimed to evaluate the efficacy and safety of 48-week DNG treat…

other 2025
Evaluating the Efficacy and Safety of 48-Week Low-Dose Dienogest Administration in Patients With Dysmenorrhea Caused by Endometriosis: Protocol for a Randomized, Open-Label, Parallel-Group Trial
JMIR research protocols ·doi:10.2196/66246

BACKGROUND: The treatment of endometriosis includes analgesics, hormone therapy, and surgery. Even after surgical removal of endometriotic lesions, the risk of recurrence remains high once the normal menstrual cycle resumes. Therefore, long…

preprint 2024
Evaluating the Efficacy and Safety of 48-Week Low-Dose Dienogest Administration in Patients With Dysmenorrhea Caused by Endometriosis: Protocol for a Randomized, Open-Label, Parallel-Group Trial (Preprint)
·doi:10.2196/preprints.66246

BACKGROUND The treatment of endometriosis includes analgesics, hormone therapy, and surgery. Even after surgical removal of endometriotic lesions, the risk of recurrence remains high once the normal menstrual cycle resumes. Therefore, long…

article 2020
ARID1A protein expression is retained in ovarian endometriosis with ARID1A loss-of-function mutations: implication for the two-hit hypothesis
Scientific reports ·doi:10.1038/s41598-020-71273-7

ARID1A loss-of-function mutation accompanied by a loss of ARID1A protein expression is considered one of the most important driver events in endometriosis-associated ovarian cancer. Although our recent genomic study clarified that ARID1A lo…

article 2014
Complete cervical stenosis after conization: Timing for the minimally invasive reconstructive surgery
·doi:10.1016/j.gmit.2014.05.001

Among various long-term complications after conization, complete cervical stenosis is rare (<1%) but significant. This condition is typically associated with secondary amenorrhea, cyclical lower abdominal pain, and hematometra during menstr…

article 2013
Complex Müllerian malformation without any present classification: Unilateral ovarian and tubal absence with an arcuate uterus
·doi:10.1111/j.1758-5910.2012.00159.x

Müllerian duct anomalies are known to cause infertility and reproductive problems. The true incidence of such abnormalities is not well defined. The most widely accepted method of classification for a Müllerian duct anomaly is the American …

article 2013
Laparoscopic Repair of a Post-Myomectomy Spontaneous Uterine Perforation Accompanied by a Bizarre Tumor Resembling Polypoid Endometriosis
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2013.05.018
article 2008
Analysis of recurrence of endometriomas following surgical intervention
·doi:10.5180/jsgoe.24.409

Objective: To determine the risk factors which influence the recurrence of endometriomas after laparotomy or laparoscopic surgery.Design: Between 2000 and 2007, 98 patients who had endometrial cysts were treated by laparotomy or laparoscopi…

article 2008
Determinant of Recurrence of Endometrioma Following Surgical Intervention
·doi:10.1016/j.jmig.2008.09.273