Aberrant Accessory parotid gland with accessory parotid duct
Keywords:
Accessory parotid gland, Parotid duct, Dissections, Cadavers, AnatomyAbstract
Background: An accessory parotid gland (APG) is a collection of salivary tissue usually separated from the main parotid gland, lying anteriorly just above the commencement of the parotid duct. APG draining by a ductule in to the main parotid duct is a common finding, but APG draining by a separate duct is a rare occurrence. In the present study dissections of parotid glands were carried out to find out the incidence of APG with accessory parotid duct.
Methods: Total 50 parotid glands were dissected from both the sides of 25 cadavers in the Department of Anatomy at Shri Shankaracharya Institute of Medical Sciences, Bhilai, during a period from October 2017 – July 2019.
Result: Out of 50 parotid glands dissected, overall incidence of APG was noted in 2 (4%) cases. In case 1, APG was observed on right side while in 2nd case APG was observed on left side lying on parotid duct detached from the main mass of parotid gland. Presence of separate duct has also been observed arising from APG in both the cases. In case 3, we found duplication of parotid duct on right side.
Conclusion: APG is a prominent morphological variation in Indian population. A thorough knowledge of anatomical variation of the accessory parotid gland/duct as well as anatomical knowledge of presence of double parotid ducts is important for performing sialographic studies and surgeries on the face.
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