Most common benign salivary gland mass in children
Significant female predilection
Present 90% of parotid tumors in 1st year of life
Can be capillary or cavernous
Capillary hemangiomas present shortly after birth, grow rapidly up to 1–2 years, and then spontaneous regression by adolescence
Cavernous hemangiomas present in older children, do not undergo spontaneous resolution
Imaging:
Hypoechoic with flow on Doppler
CT shows well-defined mass with intense enhancement. Phleboliths may be seen
MR shows low to intermediate signal on T1 and bright on T2 with flow voids and show intense enhancement
Management:
Most capillary regress and hence surgical treatment is delayed
Cavernous hemangiomas are treated with surgery, sclerotherapy, laser ablation
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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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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