The urethra is one of the most important and one of the most overlooked of the male urinary system. When it’s healthy, you don’t think about it. It reminds you of something that went wrong every time you go to the bathroom. Urology deals with some of the most frustrating, uncomfortable, and quality of life impairing symptoms associated with urethral conditions, and yet many men suffer in silence for months or years before seeing a specialist.
Whether you have noticed a weakening urine stream, experienced pain during urination, been dealing with recurrent urinary infections, or simply feel that something is not right , this page will help you understand what the urethra is, what can go wrong with it and when it is time to see a urologist.
The urethra is a thin, hollow tube that takes urine out of the body from the bladder. It also relays semen during ejaculation in men. The male urethra is 18 to 22 cm in length. It runs from the internal urethral meatus (the opening at the base of the bladder) through the prostate gland, through the pelvic floor, the length of the penis, and exits at the external urethral meatus, the small opening at the tip of the penis.
The male urethra has four anatomically distinct parts of clinical importance:
The urethra in women is much shorter, approximately 3 to 4 cm, and less susceptible to stricture disease. But women do have urethral conditions, including meatal stenosis and urethral trauma (from childbirth or gynecological surgery).
The proximal parts of the urethra are lined by urothelium (transitional epithelium) and the distal (penile) part by squamous epithelium. It is surrounded by spongy erectile tissue, the corpus spongiosum, important in blood supply and healing of the urethra after injury or surgery. Understanding this anatomy is the foundation for understanding why urethral conditions develop and how best to treat them.
The three most common urethral conditions treated by Dr. Vikas Singh at Kokilaben Hospital, Indore, are:
Urethral Stricture (Narrowing of Urethra)
Scar tissue forms inside the urethra and narrows the passageway for urine, causing a slowly decreasing stream, difficulty with urination, and recurrent infections. Most common urethral problem of the males.
Injury to the urethra may occur due to pelvic fractures, straddle injuries or instrumentation. The urethral channel may be partially or completely disrupted requiring emergency management and specialist reconstructive surgery.
The meatus (external urethral opening) at the tip of the penis can become narrowed, causing a thin, deflected or spraying stream of urine. Causes include circumcision, inflammation, lichen sclerosus and repeated catheterisation.
Urethral problems develop slowly and many men live with worsening symptoms for months or even years before seeking help . Here are the main warning signs that should lead to urologic evaluation:
Weak or Slow Urine Stream
The classic sign of urethral obstruction is a progressively weaker or thinner stream of urine in which the flow has decreased in strength or quantity significantly over several months. Any reduced stream, whether due to a stricture, meatal stenosis or bladder outlet problem should always be investigated appropriately with uroflowmetry and appropriate imaging.
Dysuria, or pain or burning during urination, can be caused by inflammation of the urethra, infection, or by the friction of urine as it passes through a narrowed section of the urethra. If dysuria persists or recurs and there is no documented urinary tract infection, the urethra should be examined.
Hesitancy is a significant delay or difficulty in starting to urinate and requires the bladder to produce a high pressure to overcome urethral resistance. This is a classical obstructive symptom which needs to be assessed by uroflowmetry and urethroscopy.
Blood in the urine , seen or detected only by testing , in the context of a urethral history should not be ignored . Haematuria may be due to urethral inflammation, damage of the mucosa from stricture or more serious pathology which must be excluded.
Recurrent UTIs in men should be a red flag for underlying urethral/ urologic pathology. Stagnant urine behind a urethral obstruction provides a perfect environment for bacteria to grow. Any man with more than one UTI in a year should be evaluated for urethral problems.
Acute urinary retention, the inability to pass urine completely, is a urological emergency. Immediate catheterisation and urgent specialist referral are required when due to urethral obstruction (stricture or trauma). Any transient episode of retention necessitates a thorough urethral investigation.
Accurate diagnosis is the basis for successful treatment of the urethra. Dr Vikas Singh uses functional tests, imaging studies and direct visualisation to fully characterise any urethral condition before recommending treatment.
Uroflowmetry (Urine Flow Rate Test)
A simple non-invasive test in which the patient urinates into a specially designed funnel attached to a measurement device. The machine plots the urine speed versus time. In a normal subject the maximum flow rate (Qmax) is greater than 15 ml/sec and is of smooth bell shape. A flat or plateau-shaped curve with reduced Qmax is suggestive of urethral obstruction. This is an objective baseline to measure improvement following treatment.
RGU is the most important imaging test for urethral stricture. Contrast dye is injected through the external meatus into the urethra and X-ray images are taken as the dye passes through the urethra, clearly showing the location, length and severity of any narrowing. Often , a Micturating Cystourethrogram ( MCU ) is performed at the same time . This involves the patient urinating with contrast in the bladder to visualise the posterior urethra and confirm the full extent of any stricture or disruption.
A thin, flexible camera (cystoscope) is passed through the urethra to give direct, real-time visualisation of the inside of the urethra and bladder. Dr.Vikas Singh performs flexible cystoscopy to directly visualize the location, caliber and tissue quality of any urethral narrowing, information that is essential for surgical planning. It also permits the evaluation of the bladder for any secondary changes resulting from chronic urethral obstruction.
Sonourethrography (ultrasound of the urethra) can assess the extent of spongiofibrosis, scar tissue that extends into the surrounding corpus spongiosum. Spongiofibrosis increased, representing a more complex stricture, representing open reconstruction rather than endoscopic management. Magnetic resonance imaging of the pelvis is essential for the accurate delineation of the gap length and surrounding anatomy in the planning of reconstruction of complex posterior urethral disruptions following pelvic fracture injury.
Urine culture identifies the presence of an active bacterial infection that must be treated prior to any urethral procedure . STIs are screened for when the clinical history suggests a sexually transmitted infection is the cause of the urethral condition (particularly for gonorrhoea and Chlamydia). Diagnosis and treatment of the primary cause reduce the risk of recurrence after surgical treatment.
Dr. Singh provides complete specialist level care for any urethral condition – from minimally invasive endoscopic procedures to complex open reconstruction. Here’s a quick overview of each condition:
Urethral Stricture – Causes, Symptoms & Treatment
The urethral stricture is the most common urethral condition and is caused by scar tissue that narrows the urethral lumen and progressively reduces urine flow. Treatments include Laser OIU (Optical Internal Urethrotomy, endoscopic laser incision of the stricture) and AALBEC (Autologous Buccal Cell Implant, an advanced cell based endoscopic technique) and open urethroplasty using the patient’s own buccal mucosa (inner cheek lining) as a graft to widen and reconstruct the urethra. The treatment is chosen depending on the length, location, degree of spongiofibrosis and previous treatment.
Urethral trauma, whether from pelvic fractures, straddle injuries or instrumentation, requires prompt expert management to minimise long-term impact on urinary and sexual function. Acute management includes safe suprapubic catheter drainage to divert urine away from the injured urethra followed by definitive reconstructive surgery (posterior urethroplasty, end-to-end anastomosis or substitution urethroplasty) once the patient is stable and the acute inflammation has resolved. Dr. Vikas Singh is well versed with management of acute and delayed presentations of urethral trauma including complex post fracture urethral distraction defects.
Meatal stenosis is a narrowing of the meatus, the external opening of the urethra at the tip of the penis. It causes a thin, deviated or spraying urine stream that can cause the stream to hit the toilet seat and not the bowl, and can cause post-void dribbling. In children it is most often a complication of circumcision. In adults it can be due to repeated catheterisation, lichen sclerosus or inflammation. Treatment is a simple surgical procedure called meatoplasty , a small incision to enlarge the meatal opening , performed under local anesthesia and completed in 15 to 20 minutes.
Many men will postpone seeking help for urethral symptoms. This may be because the symptoms are intermittent , embarrassment , or hoping the problem will resolve itself . Here is a clear guide when you should see Dr. Vikas Singh without any delay:
Early evaluation detects urethral diseases at a stage where they are more easily managed. Waiting means more scar tissue will form, the bladder will be damaged from chronic straining and the treatment will be more complicated. Do not wait if you have any of the above symptoms.
Urethral stricture , the narrowing of the urethra due to scar tissue , is the most common urethral disease in adult men . It can be caused by previous infection (especially gonorrhoea), catheterisation, urological procedures, trauma or lichen sclerosus. The symptoms are very similar and it is often confused with BPH (enlarged prostate).
No, urethral strictures will not heal on their own. Scar tissue, once formed, does not disappear of itself. If left untreated, the stricture usually gets worse over time as the scar matures and contracts, further reducing the diameter of the urethra. Early treatment results in better outcomes with less involved procedures than waiting until the stricture becomes long and densely fibrotic.
Optical Internal Urethrotomy (OIU) is an endoscopic procedure (no external incision) where a laser or knife is used to cut through the stricture from the inside of the urethra. It is rapid and effective for short, primary strictures but has a high long-term recurrence rate (50 to 70%). Urethroplasty is an open reconstructive procedure in which the stricture is resected or dilated using the patient’s own tissue. Long-term success rates are 85% to 92%. Urethroplasty is much more durable for recurrent or long strictures.
Urethroplasty is a major surgery. It is done under general or spinal anaesthesia . Hospital stay is from 3 to 5 days and a catheter is kept for 3 to 4 weeks after surgery. Recovery: 4 to 6 weeks before resuming all normal activities. However, in the case of recurrent or complex strictures, urethroplasty provides a far superior long-term result to repeated endoscopic procedures, and the recovery is far more manageable than most patients anticipate.
AALBEC stands for Autologous Adult Live Cultured Buccal Epithelial Cells, which is an advanced endoscopic technique where live cells from the patient’s own inner cheek are processed in a lab and implanted into the stricture site after laser OIU. The intention is to cover the urethrotomy site with healthy tissue, resulting in lower recurrence rates. Yes , AALBEC is available in Indore with Dr. Vikas Singh at Kokilaben Dhirubhai Ambani Hospital.
The commonest causes of meatal stenosis (narrowing of the urethral opening at the tip of the penis) are: circumcision (particularly if the blood supply to the meatus was compromised), repeated urethral catheterisation, lichen sclerosus (BXO) involving the meatus, chronic inflammation from balanitis, or rarely a congenital condition. Treatment is a minor surgical procedure (meatoplasty) under local anaesthetic.
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