If a salivary gland swells again and again, especially around meals, but no stone is found, a narrowed duct is a common cause. The medical term is a salivary duct stricture. The narrowing slows the flow of saliva, so the gland swells and can become infected. Modern, gland-sparing treatment can open the duct from the inside and relieve the swelling. At THANC Hospital in Chennai, Dr. Vidhyadharan Sivakumar treats salivary duct strictures with sialendoscopy. This page is part of our wider sialendoscopy and salivary care.
What Is a Salivary Duct Stricture?
A stricture is a narrowed or scarred part of a salivary gland duct. The duct normally carries saliva from the gland into the mouth. When part of it narrows, saliva backs up and the gland swells, particularly when it works hardest, at mealtimes. Over time the gland can become inflamed or infected.
Strictures often follow earlier inflammation, repeated infection, or a previous stone that scarred the duct. Sometimes no clear cause is found.
Symptoms
The usual picture is:
- Repeated swelling of the gland, often worse with eating
- Swelling that settles between meals
- Discomfort or a dry feeling in the area
- Repeated infections in the same gland, with no stone found
A swelling that keeps returning should be assessed. Our guide explains when a neck lump is a concern.
Diagnosis at THANC Hospital
Dr. Vidhyadharan confirms the stricture and rules out other causes:
- Clinical examination of the gland and duct.
- Ultrasound scan to look at the gland and check for a stone.
- Diagnostic sialendoscopy, where a fine scope looks directly inside the duct and shows the narrowed segment.
Finding the exact site of the narrowing is what allows precise, gland-sparing treatment. The diagnostic scope is often the key step, because a stricture can be missed on a scan when no stone is present.
How a Stricture Differs From a Stone
Both a stone and a stricture cause the same symptom of mealtime swelling, but the cause is different. A stone is a solid blockage that can often be removed, after which the duct returns to normal. A stricture is a narrowing of the duct wall itself, so there is nothing to remove. Instead, the narrowed segment has to be opened up and held open while it heals. Telling the two apart matters, because it changes how the problem is treated. Sometimes both are present together, where an old stone has scarred and narrowed the duct.
How a Stricture Is Treated
Treatment is done from the inside using sialendoscopy. Dr. Vidhyadharan passes a fine scope into the duct and finds the narrowed segment. He then gently opens it, usually by stretching it with a small balloon or a fine dilator passed through the scope. This widens the duct so saliva can flow freely again.
A tiny tube, called a stent, may be left in place for a short time to hold the duct open while it heals, which reduces the chance of it narrowing again. In most cases there is no skin incision, and the gland is kept. If the duct narrows again later, the same gentle method can be repeated.
What to Expect
Before the procedure. Examination, an ultrasound scan and a diagnostic scope to map the exact site of the narrowing. Dr. Vidhyadharan explains the plan and how likely it is to need more than one treatment.
The procedure. A short, minimally invasive procedure, usually a day case under general or local anaesthetic.
Recovery. Most patients go home the same day and return to normal activities within a day or two. There may be mild swelling for a short while.
Recovery and Aftercare
A few simple habits help the duct stay open and the gland settle:
- Stay well hydrated to keep saliva flowing through the widened duct.
- Massage the gland gently, if advised, to help move saliva through.
- Use sour sweets or citrus if suggested, to encourage saliva flow.
- Treat any infection promptly, since inflammation can cause new narrowing.
- Attend follow-up, which checks that the duct stays open and allows early re-treatment if it narrows again.
Outcomes
Opening the narrowed duct usually relieves the swelling and lets the gland drain normally again, while keeping the gland. Strictures are more likely than stones to come back, because the duct wall has a tendency to narrow again, so some patients need a repeat treatment. Even so, the gland-sparing approach avoids a neck operation, preserves normal saliva, and can simply be repeated if needed.
Why Choose Dr. Vidhyadharan at THANC Hospital
- Head and neck surgical training. MCh (Head & Neck Surgery) and European Board certification (FEB-ORL HNS), with expertise in gland-sparing salivary surgery.
- Minimally invasive sialendoscopy that opens the duct and keeps the gland.
- 3000+ head and neck operations, the volume linked to better outcomes.
- In-house imaging at THANC Hospital for accurate diagnosis.
Treatment Cost and Insurance
The cost depends on what is treated, whether it is a day case or needs admission, and the room category. Most major health insurers in India cover medically indicated salivary procedures, including cashless treatment at empanelled hospitals. Eligible patients may also use government schemes such as Ayushman Bharat (AB-PMJAY) or the Tamil Nadu CMCHIS.
THANC Hospital gives a clear estimate during your consultation. To see Dr. Vidhyadharan Sivakumar, request an appointment online.
