Hiroki Kanyama

Factors affecting continence after fistulotomy for intersphincteric fistula-in-ano

Takayuki Toyonaga, Makoto Matsushima, Takashi Kiriu et al. · International Journal of Colorectal Disease · 2007 · 71 citations

Intersphincteric Fistula-in-ano, Gastroenterology, Visceral Surgery +2

Comparison of accuracy of physical examination and endoanal ultrasonography for preoperative assessment in patients with acute and chronic anal fistula

T. Toyonaga, Yoshiaki Tanaka, J. F. Song et al. · Techniques in Coloproctology · 2008 · 50 citations

Interventional Endoscopic Ultrasound, Patient Safety, Gastroenterology +11

Non-sphincter splitting fistulectomy vs conventional fistulotomy for high trans-sphincteric fistula-in-ano: a prospective functional and manometric study

Takayuki Toyonaga, Makoto Matsushima, Yoshiaki Tanaka et al. · International Journal of Colorectal Disease · 2007 · 33 citations

Prospective Functional, Gastroenterology, Visceral Surgery +6

Usefulness of repeated direct intratumoral gene transfer using hemagglutinating virus of Japan-liposome method for cytosine deaminase suicide gene therapy.

Hiroki Kanyama, Naruya Tomita, Tomoki Yamano et al. · PubMed · 2001 · 20 citations

Cell Therapy, In Vivo Gene Therapy, Immunology +16

Endoanal ultrasonography in the diagnosis and operative management of perianal endometriosis: report of two cases

T. Toyonaga, Makoto Matsushima, Yoshiaki Tanaka et al. · Techniques in Coloproctology · 2006 · 17 citations

Gynecological Surgery, Endometriosis, Gynecology +8