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Related Experiment Video

Updated: Jul 5, 2026

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

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Transurethral detachment prostatectomy using a tissue morcellator for large benign prostatic hyperplasia.

Kazuya Iwamoto¹, Yasunori Hiraoka, Yuji Shimizu

¹Department of Urologic Surgery, Graduate School of Medicine, Nippon Medical School, Japan.

Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi

|May 14, 2008

Summary

Transurethral detachment prostatectomy (TUDP) offers effective removal of large prostate lobes in benign prostate hyperplasia patients. This new technique demonstrates lower perioperative morbidity and improved patient outcomes.

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Area of Science:

Urology
Surgical Innovation
Minimally Invasive Procedures

Background:

Transurethral enucleation of the prostate (TUE) aims for complete prostate lobe removal.
Existing techniques like holmium laser enucleation of the prostate have limitations.
Benign prostate hyperplasia (BPH) affects a significant portion of the aging male population, necessitating effective treatment options.

Purpose of the Study:

To introduce and evaluate a novel surgical technique: transurethral detachment prostatectomy (TUDP).
To assess the efficacy and safety of TUDP in patients with large prostates (adenoma weight > 30g).
To compare TUDP outcomes with established prostatectomy methods.

Main Methods:

TUDP utilizes a prostate-detaching blade and resectoscope tip for enucleation, followed by morcellation for tissue removal.

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Last Updated: Jul 5, 2026

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

Published on: March 6, 2018

Enucleation of the Prostate for the Treatment of Benign Prostatic Hyperplasia Using a 980 nm Diode Laser

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Published on: May 5, 2020

Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser

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Published on: May 9, 2018

The study included 76 patients diagnosed with benign prostate hyperplasia.

Surgical times, blood loss, and tissue removed were meticulously recorded.

Main Results:

Mean prostate and adenoma volumes were 70.7 mL and 47.4 mL, respectively.
Mean enucleation, morcellation, and total operation times were 28.5, 14.4, and 66.3 minutes.
Significant improvements were observed in maximum flow rate (Qmax), International Prostate Symptom Score (IPSS), and quality of life (QOL) scores, with minimal complications.

Conclusions:

Transurethral detachment prostatectomy (TUDP) is an effective method for complete removal of large prostate lobes in BPH patients.
The TUDP technique is associated with lower perioperative morbidity compared to traditional methods.
TUDP offers a promising alternative for managing large benign prostatic hyperplasia.