Parotid Duct Sialolithiasis in a Dog

Trumpatori, Brian J.; Geissler, Kyleigh; Mathews, Kyle G.

doi:10.5326/0430045

Cited by 33 publications

(54 citation statements)

References 24 publications

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“…A sialocele is defined as the accumulation of physiologic saliva in tissues adjacent to a damaged salivary duct or gland 1 . Common causes of sialoceles in the dog include trauma to a salivary gland or duct, sialolith formation within the duct system, or the presence of a glandular foreign body 2 . The canine parotid salivary gland is a V‐shaped structure located caudal to the masseter muscle and temporomandibular joint, and surrounds the base of the external ear canal 3 .…”

Section: Introductionmentioning

confidence: 99%

Postenucleation orbital sialocele in a dog associated with prior parotid duct transposition

Guinan¹,

Willis

Cullen³

et al. 2007

Veterinary Ophthalmology

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An orbital sialocele developed in a dog following enucleation for protracted glaucoma. This eye had historically been treated for keratoconjunctivitis sicca by parotid duct transposition approximately 5 years previously, and the duct was ligated distally at the time of enucleation. One month following enucleation, the dog presented with a fluctuant conical-shaped swelling ventrolateral to the orbital socket. Surgical exploration revealed a dilated, fibrotic distal portion of the previously transposed parotid duct, and saliva, within the enucleated orbit. The distal portion of the duct and saliva-containing tissues from within the orbit were excised. The remaining proximal normal portion of the parotid duct was re-routed into the oral cavity. Clinicopathologic and histologic examination of the excised orbital contents and dilated portion of duct revealed a sterile sample of saliva and moderate chronic periductal fibrosis. At a 6-month re-evaluation there was no evidence of recurrence of the sialocele, and the parotid duct was functional.

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Section: Introductionmentioning

confidence: 99%

Postenucleation orbital sialocele in a dog associated with prior parotid duct transposition

Guinan¹,

Willis

Cullen³

et al. 2007

Veterinary Ophthalmology

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“…And, diagnosis of canine sialolithiasis was based on results of plain radiography in previous reports [5, 25]. But, sialolith was not shown due to bony structure of orbit around zygomatic gland in this case.…”

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confidence: 79%

“…Canine sialolithiasis has been reported to affect the parotid salivary gland and duct, as well as the sublingual and mandibular salivary glands [4, 5, 7, 9, 16, 19, 24, 25]. To our knowledge, this is the first report describing zygomatic sialolithiasis as a cause of sialocele in a dog.…”

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confidence: 92%

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Zygomatic Sialolithiasis Diagnosed with Computed Tomography in a Dog

Lee¹,

Choi²,

Keh³

et al. 2014

The Journal of Veterinary Medical Science

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A 10-year-old castrated Shih-Tzu male dog was referred for examination of acute right exophthalmos, protrusion of the third eyelid and soft tissue swelling ventral to the globe. Ultrasonography revealed echogenic fluid around the right globe. Computed tomography (CT) showed an enlarged right zygomatic salivary gland compared with the left zygomatic gland and an amorphous cystic mass ventral to the right globe. Hyperdense material, which we suspected to be a sialolith, was identified in the right zygomatic gland. The zygomatic gland and the cystic lesion were removed, and a zygomatic sialocele with sialolith and ductal obstruction were found by histopathological examination. CT was a useful diagnostic tool for zygomatic sialolithiasis.

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“…Clinical signs of this disease in dogs usually include an acute to chronic unilateral facial swelling in the region of the affected salivary gland and a tubular tumescent cystic region lateral to the masseter muscle, likely resulting from ductal dilatation and sialorrhea, with or without signs of oral pain. In addition, purulent fluids may be seen in the oral cavity, 3 and ductal rupture can sometimes occur. 4 There is often no known history of trauma, and the swelling may resolve and recur over several months in correspondence to empirical treatment with antimicrobials, anti-inflammatory drugs, or corticosteroids.…”

Section: Commentsmentioning

confidence: 99%

Diagnostic Imaging in Veterinary Dental Practice

2010

javma

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A 10-year-old 7-kg (15.4-lb) spayed female Chihuahua cross was referred to a veterinary teaching hospital because of recurrent left-sided facial swelling and purulent discharge from the oral cavity. The client had noticed an increase in lip smacking and licking approximately 6 months prior to the evaluation. Facial swelling and signs of pain on palpation had first been detected 10 weeks prior to the examination; the dog had been treated by the referring veterinarian for a suspected tooth root abscess or abscess secondary to a foreign body. An antimicrobial (amoxicillin trihydrate-clavulanate potassium; 18 mg/kg [8.2 mg/lb], PO, q 12 h for 14 days) and an NSAID (carprofen; 1.8 mg/kg [0.82 mg/lb], PO, q 12 h for 7 days) had been prescribed. Clinical signs had improved over the course of initial treatment but relapsed following cessation of the treatment. The referring veterinarian anesthetized the dog, obtained intraoral dental radiographs, and performed periodontal charting. Mild to moderate localized periodontitis was diagnosed with no evidence of a dentoalveolar abscess or dental cause for the facial swelling.On examination at the referral visit, the dog was bright, alert, and responsive with no abnormalities found on general physical examination other than a fluctuating soft tissue swelling in the region over the left masseter muscle. Intraoral examination revealed a prominent, erythematous left parotid papilla (Figure 1), concurrent sialorrhea upon digital manipulation of the ipsilateral parotid gland, hypodontia, and mild generalized plaque and calculus accumulation. Blood and urine samples were obtained for a CBC, serum biochemical analysis, and urinalysis. Laboratory test results were unremarkable.The dog was sedated with dexmedetomidine hydrochloride (3.0 mg/kg [1.36 µg/lb], IV) and butorphanol tartrate (0.1 mg/kg [0.045 mg/lb], IV), and ultrasonographic evaluation of the swollen facial region was performed; the following day, the dog was anesthetized, and contiguous transverse collimated CT images of the skull were obtained at a slice thickness of 0.6 mm before and after IV contrast medium administration (Figure 2). The images were viewed with bone (window width, 2,500 Hounsfield units [HU]; window level, 480 HU) and soft tissue (window width, 750 HU; window level, 200 HU) settings. Three-dimensional volume rendering was performed, and all digital images were reviewed on a medical-grade flat screen monitor, by use of commercially available software. a Determine whether additional studies are required, or make your diagnosis, then turn the page→

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Parotid Duct Sialolithiasis in a Dog

Cited by 33 publications

References 24 publications

Postenucleation orbital sialocele in a dog associated with prior parotid duct transposition

Postenucleation orbital sialocele in a dog associated with prior parotid duct transposition

Zygomatic Sialolithiasis Diagnosed with Computed Tomography in a Dog

Diagnostic Imaging in Veterinary Dental Practice

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