Sialoceles are cystic spaces (usually saliva containing) arising within a salivary gland.
They are essentially post- traumatic or iatrogenic in nature. The proposed mechanism includes laceration of the salivary glad duct or ductal stenosis with subsequent dilatation.
Patients are often asymptomatic soft and may present with mobile swelling involving the affected salivary gland.
May show a hypoehoic-anechoic cyst within the affected salivary gland.
Axial T2 weighted and CISS sequences have been show to be useful to show the location (intra/extraparenchymal, superficial/deep lobe) of the cyst and its relation to muscles and vessels.
Treatment and prognosis
Management of sialocoeles have been controversial with a range of surgical and nonsurgical treatment modalities been proposed.
On imaging consider other cystic parotid lesions
- 1. Yousem DM, Kraut MA, Chalian AA. Major salivary gland imaging. Radiology. 2000;216 (1): 19-29. doi:10.1148/radiology.216.1.r00jl4519 - Pubmed citation
- 2. Nagi R, Kantharaj YB, Nagaraju R et-al. Sialocele of Parotid Duct: Report of Case with Review of Literature. J Clin Diagn Res. 2016;10 (2): ZD04-5. doi:10.7860/JCDR/2016/16650.7224 - Free text at pubmed - Pubmed citation
- 3. Canosa A, Cohen MA. Post-traumatic parotid sialocele: report of two cases. J. Oral Maxillofac. Surg. 1999;57 (6): 742-5. Pubmed citation
- 4. Gadodia A, Bhalla AS, Sharma R et-al. MR sialography of iatrogenic sialocele: comparison with conventional sialography. Dentomaxillofac Radiol. 2011;40 (3): 147-53. doi:10.1259/dmfr/32834129 - Free text at pubmed - Pubmed citation
- 5. Araujo MR, Centurion BS, Albuquerque DF et-al. Management of a parotid sialocele in a young patient: case report and literature review. J Appl Oral Sci. 2010;18 (4): 432-6. Pubmed citation