Information for each Department

Clinical Division


Director Hideyasu Matsuyama Director
Hideyasu Matsuyama

Service Contents

We manage wide varieties of urological disease arising from retroperitoneal organs, including kidney, adrenal, ureter, bladder, urethra, and male genital organs (prostate, epididymis, penis, testis). Our purpose is to treat the disease as well as to improve patients’ quality-of-life (QOL) by giving the surgical intervention in combination with non-surgical therapy. Specific areas focusing both on clinical practice and research are as follows.

Urologic oncology

In muscle-invasive bladder cancer, therapeutic strategy is selected from two modalities; one is bladder preservation by combining surgery (transurethral resection), external beam radiation, and anti-cancer drug chemotherapy in patients with relatively elderly, multiple co-morbidities, another is radical cystectomy with appropriate urinary diversion depending on patients’ physical status and need. A nerve-sparing “veil” technique, or intensity modified radiation therapy (IMRT) combined with gold marker in the prostate are applied in patients with localized prostate cancer. Radical nephrectomy, partial nephrectomy, or laparoscopic nephrectomy is applied to patients with renal cell carcinoma.

End stage renal disease (ESRD)

Induction and maintenance therapies of blood purification, including hemodialysis (HD), continuous ambulatory peritoneal dialysis (CAPD), and renal transplantation (10-15cases / year) are performed to patients with ESRD. An experimental rat model of encapsulating peritoneal sclerosis (EPS), inhibitory effect of reperfusion toxicity after renal ischemia are studied by postgraduate student.

Andrology, Pediatric urology

Research theme of male infertility is surgical, or medical treatment to varicocele, obstructive or idiopathic azoospermia. Surgical treatment to undescended testis, hypospadias, vesico-ureteral reflux are intensively performed for pediatric urology. By using newly established hormonal therapy, we have reported successful sperm retrieval from men with non-obstructive azoospermia.

Female urology

Surgical treatments, TVM (Tension-free Vaginal Mesh) for pelvic organ prolapse (POP), or TVT (tension-free vaginal tape) for female stress incontinence are actively performed in collaboration with Department of Gynecology, or women’s health clinic.

Voiding dysfunction

As minimum invasive treatment for benign prostatic hyperplasia, we offer several options of minimum-invasive surgical treatment, TURp (transurethral resection of the prostate), HoLEP (holmium laser enucleation of prostate) and TUEB (transurethral enucleation of bipolar).

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Yamaguchi University Japan Council for Quality Health Care

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