Masahide Kanayama, MD

Alternative Text

Dr. Masahide Kanayama is the director of the New York Endometriosis Center, located in Manhattan NY, USA.

Originally from Tokyo, Japan, Dr. Kanayama went to Creighton University for his graduation and subsequently pursued his MD from the Medical College of Wisconsin. He then completed his internship as well as a residency in medical and surgical gynecology at the world-famous Mayo Clinic, Rochester MN. He has over 25 years of experience and has successfully treated over 7,000 complicated endometriosis excision cases.

In fact, Dr. Kanayama figures among a select few gynecologists in the US who are capable of providing clinically proven laparoscopic excisions of deep nodular endometriosis.

Dr. Kanayama specializes in endometriosis treatment, infertility evaluation, and advanced laparoscopy. The cornerstone of his professional philosophy is to provide the highest quality patient-centered gynecology care, which has earned him an excellent reputation among his patients and peers alike.

In order to, Dr. Kanayama’s work is not limited to the clinic alone. in fact, he runs an Instagram handle with the aim to educate the public about endometriosis. His social media outreach efforts are his way of building greater awareness around this common yet often misinterpreted disorder.


Professional Highlights

  • The Director of The New York Endometriosis Center, Advanced Laparoscopy and endometriosis treatment New York, New York, USA
  • American Board of Obstetrics and Gynecology certified specialist
  • Clinical assistant professor, Department of Obstetrics, Gynecology and Reproductive Sciences Mount Sinai School of Medicine, Mount Sinai Medical Center, New York, NY
  • Attending staff, Department of Obstetrics and Gynecology, Greenwich Hospital, Yale, New Haven Health, Greenwich, CT
  • Visiting scientist and investigator, Department of Cancer immunology and Gynecologic Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD
  • Collaborated with Dr. Robert J. Kurman and Dr. TC. Wu to develop HPV type-specific tumor vaccine for cervical cancer with NIH-grant support research at the Department of Gynecologic pathology and cellular immunology, The Johns Hopkins University School of Medicine, Baltimore, MD.


Board Certification

  • Diplomat, American Board of Obstetrics and Gynecology (ABOG)
  • The National Board of Medical Examiner Certification


Professional Affiliations

  • American Associations of Gynecologic Laparoscopists
  • American College of Obstetricians and Gynecologists
  • Society of Laparoscopic Surgeons
  • International Society of Gynecologic Endoscopists
  • European Society of Human Reproduction and Embryology, A section on endometriosis and endometrium
  • American Medical Association
  • New York Medical Society
  • Minnesota Ob-Gyn association
  • Minnesota Medical Society
  • Mayo Alumni Association
  • Doctors Mayo Society
  • Japanese Medical Society (USA chapter, New York section).



  • The best-known endometriosis specialists in the USA (Endo-resolved)
  • Top endometriosis specialist lists in the USA by Endometriosis Association
  • America’s Top Obstetricians and Gynecologists In area of endometriosis and advanced laparoscopic surgery by Consumer Research Institute, Washington DC (2005, 2006, 2007, 2008, 2009, 2010, 2011)


Presentations and Publications

  1. “Rat Luteal Angiogenesis: primary characterization.” J. Rone, MD.Kanayama, A.L.Goodman. Abstract and oral presentation in 1998 Annual International Endocrine Society Atlanta, GA, USA.
  2. “Detection of a neuron-specific 9.0 kb transcript which shares homology with the antisense GAG genome of HIV-1 from both normal and AIDS individuals.” TC.Wu, MD.Kanayama, R. Hruben, W. Whitehead, B. Raj Am. J. Pathol. 1993, Jan. 142 (1);25-31. Presentation at 1992 US and Canadian Academy of Pathology meeting.
  3. “In situ hybridization of HIV-1 by a riboprobe generated from the GAG gene of HIV-1” MD.Kanayama, TC.Wu, W.Whitehead, B.Raj Modern Pathol. 1992, Jan 5(1);109. Oral presentation at Annual Minnesota Ob-Gyn Society Meeting, 1993.
  4. “Virus-associated RNAs (VA-1 and VA-I1): an efficient target to detect adenovirus infection by in situ hybridization.” TC.Wu, MD.Kanayama, R.Hruben, W-C Au, FB.Askins, GM.Hutchins. Am. J. Pathol. 1992. April 140 (4); 991-998.
  5. “Detection of adenovirus VA-I and VA-II in adenovirus-associated meningoencephalitis, enteritis, cystitis, hepatitis, pneumonia by RNA in situ hybridization.” TC.Wu, W.Chou, MD.Kanayama, W. Fork, R. Hruben, GM. Hutchin Modern Pathol. 1994, Jan 7 (1); 128. Presentation at 1994 US and Canadian Academy of Pathology Meeting Montreal Canada.
  6. “Localization of Epstein-Barr Virus encoded small RNAs (EBER-1) by in situ reverse transcription: first successful generation of cDNA in the tissue section.” TC.Wu, Y.Ling, MD. Kanayama, P.Charache, RJ.Kurman. Biomed. Sci. 1995 Feb (2); 249-255.
  7. Oral presentation at 1995 US and Canadian Academy of Pathology Meeting. Berlin, Germany “Preventive and Therapeutic Vaccines for Human Papilloma-virus-associated cervical cancers.” Ling, MD.Kanayama, R.Roden, TC.Wu J. Biomed. Sci, 2001 7 (5); 341-356.
  8. “Detection of low copy HPV in basal cells of cervical lesions by a novel in situ hybridization.” MD.Kanayama, CC.Huang, ML.Kashima, TC. Wu. Presentation in the First International Congress of Human Papillomavirus infections and cervical cancer, Quebec, Canada.
  9. “Cardiac myocytes do not undergo programmed cell death in heart allograft rejection: failure to identify apoptotic cells by in situ end-labeling of nuclear DNA fragments.”TC.Wu, MD.Kanayama, R.Hruben, GM. Hutchin, RJ. Kurman. Modern. Pathol. 1994 Jan, 7(1):32. Presentation in 1994 US and Canadian Academy of Pathology Meeting Montreal, Canada.
  10. “Constriction of the umbilical cord by an amniotic band, with fetal compromise illustrated by reverse diastolic flow in the umbilical artery; successful intervention.” Kanayama, TA.Gaffey, PL.Ogburn, Jr. Reprod. Med. 1996 Jan. 40(1); 71-73.



  • Residency and postgraduate clinical training from the Mayo Graduate School of Medicine, The Mayo Clinic, Rochester, MN
  • MD from Medical College of Wisconsin, Milwaukee, WI
  • Research fellowship in Division of molecular genetics, Thesis on “molecular characterization of HPV type 16 subclones” from the National Cancer Center Research Institute Tokyo, Japan
  • BS degree in chemistry and Honors program “magna cum laude” graduate, Creighton University College of Arts and Sciences Omaha, NE, USA

To know more about Dr. Masahide Kanayama and his work, you can visit his website.

Last modified on: 19-07-2021