Most common cause is mumps
Bacterial sialoadenitis is commonly due to Staph aureus
Imaging:
Us shows enlarged heterogeneous gland with hypoechoic foci and increased blood flow
CT shows enlarged gland with diffuse enhancement; may show abscess
MR shows enlarged gland which is low on T1 and high on T2
Management:
Antibiotics and surgical drainage if abscess.
References:
Lowe LH et al. Swelling at the Angle of the Mandible: Imaging of the Pediatric Parotid Gland and Periparotid Region. Radiographics. 2001;21:1211-1227
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Head and Neck Imaging Notes
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Although I have taken care to make my blog posts as accurately as possible, the blog itself is not replacement for text-books and journals. The blogger does not accept any harm or injury related to the use of the material from this blog. All the images are from my collection and are not copyrighted; hence feel free to use them and I do not want any credit also. The notes are from the quoted journals and text-books, relevant to my practice. If anybody feels I am violating copyright, please let me know. I will delete the relevant data from my blog. I am greatly indebted to the reference book Som PM et al, Head and Neck Imaging. 4th edition. Mosby publications. Unless given the reference, the reference is most likely to this book.
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