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Salivary Mucocele
Surgery Service
Anatomy
Dogs have salivary glands that are located both within lining of the mouth and in the head and
neck region. Dogs have many salivary glands, but the most important ones include the
zygomatic (located by the eye), mandibular (located just behind the jaw bone), sublingual
(located under the tongue), and parotid salivary glands (located around the ear canal).
Available Services
Causes of salivary mucoceles
The inciting cause of a salivary mucocele is usually not definitively identified; however, trauma
• 24/7 Emergency
from a choke chain, bites to the neck, and sudden hyperextension of the neck are suspected
& Critical Care
causes. These can cause stretching or tearing of the salivary gland or the duct that drains
• Cardiology saliva from the gland to the mouth. Saliva accumulates under the skin and incites a marked
• Computed inflammatory response. The body attempts to contain the leaking saliva by creating a layer of
Tomography connective tissue around the saliva (called a mucocele).
• Dermatology
& Allergy
• Internal Medicine Signs and diagnosis
• Interventional
Radiology Mucoceles are primarily found in dogs, but are rarely seen in cats. Mucoceles are more
• MRI commonly seen in Dachshunds, German Shepherds, Poodles, and Silky Terriers that are at
any age. The clinical signs associated with a mucocele are dependent on the gland that is
• Neurology affected:
• Neurosurgery 1. Cervical mucocele is caused by
• Oncology damage to the mandibular or
sublingual salivary glands or
• Oncologic Surgery
their associated ducts. A
• Ophthalmology swelling located on the side or
• Orthopedic Surgery under the neck is most
• Radiology commonly seen.
& Fluoroscopy 2. Pharyngeal mucocele typically
does not have an external visible
• Soft Tissue Surgery swelling as the accumulation is
• Ultrasound located in the back of throat and
will cause breathing difficulty.
This is caused by damage to the
Locations mandibular or submandibular
salivary glands or their
Auburn Hills associated ducts. Your
3412 E. Walton Blvd. companion may need to be anesthetized to allow examination of the throat to make a
(West of Squirrel Rd.) diagnosis.
(248) 371-3713 3. Sublingal mucocele is also called a rannula and is a swelling under the tongue. This
type of mucocele is caused by damage to the sublingual ducts or salivary gland.
Grand Rapids 4. Zygomatic mucocele is due to damage to the zygomatic gland and causes a swelling
1425 Michigan St. NE below the eye.
(East of Fuller Rd.)
(616) 284-5300 Other causes of a swelling in the neck may include inflammation of the salivary gland, salivary
gland tumors, infection with abscess in the neck due to a foreign enlarged lymph nodes, and
MVS Southfield embryonic cysts such as a thyroglossal cyst, cystic Ratheke’s pouch, or a branchial cyst.
29080 Inkster Rd.
(North of 12 Mile Rd.) Prior to surgery, a fine needle aspirate of the swelling and examination of the fluid under a
(248) 354-6660 microscope should be performed. In addition, blood work such as a complete blood count and
chemistry profile are completed to evaluate the internal organ health of your companion in
Salivary Mucocele Continued…
preparation for anesthesia and surgery.
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The day of surgery
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Our anesthesia and surgical team will prescribe a pain management
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program, both during and after surgery, that will keep your companion
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comfortable. This may include a combination of injectable analgesics,
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oral analgesics and anti-inflammatory medication.
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Treatments
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Conservative treatment consisting of a wait and see approach or draining the fluid from the cyst rarely results in
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resolution of the problem. Surgical removal of the involved salivary glands is the treatment of choice for a permanent
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cure of the problem. Although many important vessels and nerves that control tongue movement and swallowing are
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nestled around the gland, damage to these is very uncommon in the hands of an experienced surgeon. At the
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decision of the surgeon, a drain many be placed after the glands have been removed. Removal of a set of salivary
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glands will not impair your companion’s ability to produce adequate saliva, as other glands will take over the function.
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Aftercare and results
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After surgery, you can continue to give your pet a prescribed pain reliever to minimize discomfort. It’s also extremely
important to limit your dog’s activity and exercise level for three weeks after surgery. The incision should be checked
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daily for signs of infection. A drain may be placed in the incision and typically will be removed 5 to 10 days after
surgery. The drain should be removed by one of our staff members after there is minimal fluid coming out of the
drain. Two weeks after surgery, the surgeon will monitor the healing of the incision.
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Short-term complications following surgery are uncommon and may include temporary bleeding at the surgical site,
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infection, nerve damage, and seroma formation (fluid accumulation under the incision). Recurrence of the mucocele
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is caused by incomplete removal of the entire abnormal salivary tissue and will necessitate a second surgery.
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Almost all patients are cured of the salivary mucocele with just one surgery.
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Salivary Mucocele Continued…
Assessment.*"%#*/()*#0,(1%2+0,"&%(3.)14(5&%,"%6+7888(
and recommendations
Patient: _________________________________________
!"#$%&'"'( Date: _____________________
Treatment
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Surgery is recommended
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Surgery is not recommended
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Please make an appointment for a consultation with one of our oncologists
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The following has been prescribed
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☐ No medications or special diet are necessary at this time
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☐ Antibiotic: _______________________________________________________
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☐ Other medication: _________________________________________________
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Exercise
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# ☐ Unlimited
☐ Please use a harness instead of a collar on your companion
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☐ Confine your pet to the house other than very short leash walks necessary for bowel movements and
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urination
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☐ Restrict exercise to leash walks 10 minutes twice daily
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Preparation for surgery
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☐ Start fasting your companion at midnight before the day of surgery; water should not be withheld
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☐ Pepcid AC 10 mg tablets: give ______ tablet(s) with water (use syringe if needed) at 6 AM on the day of
surgery
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Composed by Daniel A. Degner, DVM, DACVS
Edited by Ned F. Kuehn, DVM, MS, DACVIM
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