A Pediatric Radiology Textbook and Pediatric Radiology Digital Library
Pediatric Parotitis
Etiology: Acute parotitis typically caused by a virus such as paramyxovirus, Ebstein Barr, coxsackie, influenza A
Imaging of Acute Parotitis: — Common infectious cause of swollen lymph nodes of neck — Imaging US: Asymmetric enlargement of parotid gland without duct enlargement, hyperemia, may also see intraparotid lymph nodes — Imaging CT: Asymmetric enlargement of parotid gland without duct enlargement, hyperemia, may also see intraparotid lymph nodes, avid enhancement of parotid gland
Imaging of Recurrent Parotitis: Characterized by small anechoic spaces in parotid
DDX:
Complications:
Treatment:
Clinical: Mumps typically appears as parotitis and is usually bilateral but can be unilateral
Radiology Cases of Parotitis
Axial (above) CT with contrast of the face shows lymphoepithelial cysts in the parotid glands bilaterally. Coronal CT (below) shows the right parotid gland is enlarged and hyperemic and surrounded by inflammation. A right intraparotid lymph node is present.
