Scrotal Pearl - Cystic Fibrosis
Joseph Junewick, MD FACR
over 5 years ago
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Heather Borders, MD
|Diagnostic Category: Neoplasia Benign
|Created: over 4 years ago
|Updated: over 4 years ago
8 month old male with cheek/neck mass noticed for the past 5-6 months, mild increase in size over time.
Mass within the superficial and deep parotid lobes without visible extension out of the parotid gland. Isointense on T1 and hyperintense on T2/STIR. Prominent flow voids/vessels within and around the lesion and avid enhancement with contrast.
Hemangiomas are the most common benign salivary gland mass in children. They are classified at pathologic analysis as capillary or cavernous. Congenital capillary hemangiomas represent 90% of parotid gland tumors during the 1st year of life, whereas cavernous hemangiomas rarely involve the parotid gland. Capillary hemangiomas manifest as a soft mass noted shortly after birth. They grow rapidly during the 1st year of life, peak at age 1–2 years, and then undergo slow spontaneous regression that is usually complete by adolescence.
Most hemangiomas demonstrate low to intermediate signal intensity on short-TR MR images and bright signal intensity on long-TR images. Flow voids due to prominent vasculature are often present in and around the mass and will demonstrate intense enhancement after contrast material administration
Swelling at the Angle of the Mandible: Imaging of the Pediatric Parotid Gland and Periparotid Region. September 2001 RadioGraphics, 21, 1211-1227.