Urethral Stricture Surgery
Urethral Stricture Surgery - Related Videos
05:09
Urethral Stricture Induction Followed by Buccal Mucosa Graft Urethroplasty in a Rat Model
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Cited by 3 •
2023
In the present protocol, a urethral stricture induction was developed in Wistar rats, followed by urethral reconstruction with a buccal mucosa graft. A retrograde urethrogram and laser Doppler assessment were performed, validating urethral reconstruction (after stricture formation) and graft placement.
03:55
Urethroplasty with Pedicled Tunica Vaginalis for the Treatment of Long-segment Anterior Urethral Stricture Caused by Lichen Sclerosus of Glans Penis
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Cited by 1 •
2024
This article introduces a surgical method using a pedicled tunica vaginalis to treat long-segment urethral stricture resulting from lichen sclerosus. The tunica vaginalis is an excellent substitute for the urethra, leading to quick postoperative recovery for patients.
05:57
ADSC-sheet Transplantation to Prevent Stricture after Extended Esophageal Endoscopic Submucosal Dissection
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Cited by 14 •
2017
This study reports a successful method of endoscopical adipose tissue-derived stromal cell (ADSC)-sheet transplantation for esophageal stricture prevention after an extended endoscopic submucosal dissection (ESD) in a swine model.
01:30
Esophageal Strictures-I: Introduction
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2025
Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous). Etiology The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
07:42
Nerve-sparing Mid-urethral Obstruction (NeMO) in Female Small Rodents
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Cited by 7 •
2017
Traditional modeling of partial bladder outlet obstruction in rodents is fraught with animal mortality. A denervation injury from dissection around the proximal urethra and bladder neck is also of major concern. We developed and evaluated a safe and reliable mid-urethral obstruction model, avoiding the shortcomings of the traditional model.
FAQs
These features help determine whether treatment should widen the existing channel or replace the scarred segment. Location identifies the affected portion of the urethra, while length indicates how much tissue may be involved. A history of recurrence adds another planning consideration because it signals that the selected approach must account for the patient’s prior response and healing pattern.
Dilation and endoscopic incision address the narrowed passage by widening it or opening the scar internally. Reconstruction takes a different approach by removing the scarred segment or rebuilding the urethra through urethroplasty. The choice depends on the stricture’s characteristics and recurrence history, making these procedures alternatives within an individualized surgical strategy rather than interchangeable steps.
Healing can influence whether the urethral passage remains adequately open or narrows again. Because scar formation underlies the obstruction, the tissue response after surgery is clinically important for interpreting durability and recurrence risk. This biological consideration helps explain why an operation may improve urinary flow initially yet still require careful treatment selection based on expected healing behavior.
The surgical range includes dilation, endoscopic incision, removal of the scarred segment, and urethroplasty. Urethroplasty may rebuild the channel with nearby tissue or a graft. These approaches provide different ways to manage obstructed drainage, so surgeons match the procedure to the narrowing’s location, length, recurrence pattern, and the reconstructive needs of the urethra.
Urethroplasty is used when reconstruction is needed rather than simply widening the existing channel. The repair can use tissue adjacent to the urethra or a graft to help rebuild the passage after the scarred area is addressed. This makes the technique particularly relevant when the surgical plan requires replacement or reconstruction of affected urethral tissue.
The principal intended outcome is improved urinary passage and relief of impaired drainage, reflected clinically by better urinary flow. However, improvement does not eliminate the possibility of recurrent narrowing. In urologic medicine, recurrence remains an important outcome when comparing procedures, assessing healing, and deciding whether an individualized surgical approach has achieved durable benefit.