Masaaki Andou

No ORCID on file · 21 papers in corpus · active 2015-2026

Study types

  • article 9
  • case-report 6
  • other 4
  • review 2

Condition tags

  • endometriosis 20
  • endometrioma 6
  • chronic_pelvic_pain 6
  • adenomyosis 5
  • dysmenorrhea 4
  • die_deep_infiltrating 2
  • bowel_endometriosis 1
  • dyspareunia 1
other 2026
Journal of robotic surgery ·doi:10.1007/s11701-026-03274-z
other 2026
Journal of robotic surgery ·doi:10.1007/s11701-026-03299-4
other 2026
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2026.01.028

STUDY OBJECTIVE: Fluorescence imaging using indocyanine green (ICG) has recently gained widespread use in gynecologic surgery and is considered a useful method for facilitation of ureteric identification and dissection during deep endometri…

review 2025
Journal of robotic surgery ·doi:10.1007/s11701-025-02448-5

To compare the surgical outcomes of robot-assisted hysterectomy (RAH) for benign diseases using da Vinci SP (SP) and da Vinci Xi (Xi). A retrospective study with propensity score matching (PSM) analysis. An urban general hospital in Japan. …

case-report 2025
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2024.10.019

OBJECTIVE: The evolution of nerve-sparing surgery has been supported by a growing body of literature on anatomic details, dissection techniques, and functional outcomes, suggesting that nerve-sparing surgery for deep endometriosis (DE) redu…

case-report 2025
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2024.08.005

OBJECTIVE: The da Vinci SP Surgical System (SP) received regulatory approval for use in gynecological surgeries in Japan in 2023. Given the advantages of the precision of a robot, less pain, and the cosmesis of single-port surgery, the da V…

case-report 2025
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2025.03.024

OBJECTIVE: Ureteroneocystostomy should be considered in cases of severe ureteral endometriosis when ureteral lesions are near the bladder insertion, or the lesions involve the ureteral wall along a large extent of the pelvic ureter, making …

article 2024
Archives of gynecology and obstetrics ·doi:10.1007/s00404-024-07674-0
case-report 2024
Fertility and sterility ·doi:10.1016/j.fertnstert.2024.07.015

OBJECTIVE: To demonstrate the anatomical and technical highlights of nerve-sparing deep endometriosis (DE) surgery with rectal discoid resection using a newer single-port robotic system. DESIGN: Step-by-step demonstration of this method wa…

article 2022
Fertility and sterility ·doi:10.1016/j.fertnstert.2022.08.004
article 2022
Archives of gynecology and obstetrics ·doi:10.1007/s00404-022-06462-y
case-report 2022
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2021.07.013

STUDY OBJECTIVE: Some articles have reported the surgical management of Alcock canal syndrome (ACS) using the transperineal [1], transgluteal [2], or conventional laparoscopic approach [3,4]. In 2015, Rey and Oderda [5] reported the first r…

article 2021
Fertility and sterility ·doi:10.1016/j.fertnstert.2021.03.014
case-report 2021
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2020.07.018

OBJECTIVE: To demonstrate anatomic and technical highlights of a robot-assisted nerve plane-sparing eradication of deep endometriosis (DE). DESIGN: Stepwise demonstration of the technique with narrated video footage. SETTING: An urban gen…

article 2020
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2020.05.028
review 2018
Asian journal of endoscopic surgery ·doi:10.1111/ases.12464

Deep infiltrating endometriosis (DIE) is the most severe form of endometriosis. It causes chronic pelvic pain, severe dysmenorrhea, deep dyspareunia, dyschezia, and dysuria, markedly impairing the quality of life of women of reproductive ag…

other 2018
Journal of minimally invasive gynecology ·doi:10.1016/j.jmig.2017.06.027
article 2017
European journal of obstetrics, gynecology, and reproductive biology ·doi:10.1016/j.ejogrb.2017.07.014
article 2017
article 2015
·doi:10.5301/je.5000219

Background Pain-relieving effects of dienogest against endometriosis are comparable to leuprolide acetate for 24 weeks. We assessed whether long-term dienogest administration reduces recurrence after endometrioma excision. Methods In this r…

article 2015
JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY ·doi:10.5180/jsgoe.30.409

Objective: We investigated the prognosis of women with ureteral endometriosis after laparoscopic ureteral resection and ureteroneocystostomy.Study Design: From 2008 through 2012, we followed nine cases of ureteral endometriosis after laparo…