Bacterial: Localized infection may become suppurative with central abscess
Viral: Usually from systemic viral infection
Calculus induced: Ductal obstruction by sialolith
Autoimmune: Acute episode of chronic disease
Juvenile recurrent parotitis (JRP) or chronic recurrent parotitis of childhood: Intermittent idiopathic episodes of parotid inflammation
IMAGING
General Features
CT Findings
MR Findings
Ultrasonographic Findings
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Fisher J et al: COVID-19 associated parotitis. Am J Emerg Med. 39:254.e1-3, 2021
Lechien JR et al: Parotitis-like symptoms associated with COVID-19, France, March-April 2020. Emerg Infect Dis. 26(9), 2020
Schiffer BL et al: Sjögren's syndrome in children with recurrent parotitis. Int J Pediatr Otorhinolaryngol. 129:109768, 2020
Papadopoulou-Alataki E et al: Juvenile recurrent parotitis: the role of sialendoscopy. Int J Inflam. 2019:7278907, 2019
Tucci FM et al: Juvenile recurrent parotitis: diagnostic and therapeutic effectiveness of sialography. Retrospective study on 110 children. Int J Pediatr Otorhinolaryngol. 124:179-84, 2019
Guerin JB et al: Pediatric parotid region lesions: an imaging review. Neurographics. 8(6):394-412, 2018
Inarejos Clemente EJ et al: Imaging evaluation of pediatric parotid gland abnormalities. Radiographics. 38(5):1552-75, 2018
Abdel Razek AA et al: Imaging of sialadenitis. Neuroradiol J. 30(3):205-15, 2017
Ramakrishna J et al: Sialendoscopy for the management of juvenile recurrent parotitis: a systematic review and meta-analysis. Laryngoscope. 125(6):1472-9, 2015
Roby BB et al: Treatment of juvenile recurrent parotitis of childhood: an analysis of effectiveness. JAMA Otolaryngol Head Neck Surg. 141(2):126-9, 2015
Francis CL et al: Pediatric sialadenitis. Otolaryngol Clin North Am. 47(5):763-78, 2014
Ismail EA et al: Neonatal suppurative parotitis over the last 4 decades: report of three new cases and review. Pediatr Int. 55(1):60-4, 2013
Kristensen RN et al: Facial nerve palsy caused by parotid gland abscess. J Laryngol Otol. 126(3):322-4, 2012
Lampropoulos P et al: Acute suppurative parotitis: a dreadful complication in elderly surgical patients. Surg Infect (Larchmt). 13(4):266-9, 2012
Cascarini L et al: Epidemiology of salivary gland infections. Oral Maxillofac Surg Clin North Am. 21(3):353-7, 2009
Saarinen RT et al: Cases presenting as parotid abscesses in children. Int J Pediatr Otorhinolaryngol. 71(6):897-901, 2007
Shanley JD: The resurgence of mumps in young adults and adolescents. Cleve Clin J Med. 74(1):42-4, 47-8, 2007
Spiegel R et al: Acute neonatal suppurative parotitis: case reports and review. Pediatr Infect Dis J. 23(1):76-8, 2004
Fattahi TT et al: Management of acute suppurative parotitis. J Oral Maxillofac Surg. 60(4):446-8, 2002
Mandel L et al: Bilateral parotid swelling: a review. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 93(3):221-37, 2002
Yousem DM et al: Major salivary gland imaging. Radiology. 216(1):19-29, 2000
Cohen MA et al: Acute suppurative parotitis with spread to the deep neck spaces. Am J Emerg Med. 17(1):46-9, 1999
McQuone SJ: Acute viral and bacterial infections of the salivary glands. Otolaryngol Clin North Am. 32(5):793-811, 1999
Pang YT et al: Acute suppurative parotitis and facial paralysis. J Laryngol Otol. 110(1):91-2, 1996
Nusem-Horowitz S et al: Acute suppurative parotitis and parotid abscess in children. Int J Pediatr Otorhinolaryngol. 32(2):123-7, 1995
Brook I: Diagnosis and management of parotitis. Arch Otolaryngol Head Neck Surg. 118(5):469-71, 1992
Related Anatomy
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
Synonyms
Acute sialadenitis
Definitions
Acute inflammation of parotid gland
Bacterial: Localized infection may become suppurative with central abscess
Viral: Usually from systemic viral infection
Calculus induced: Ductal obstruction by sialolith
Autoimmune: Acute episode of chronic disease
Juvenile recurrent parotitis (JRP) or chronic recurrent parotitis of childhood: Intermittent idiopathic episodes of parotid inflammation
IMAGING
General Features
CT Findings
MR Findings
Ultrasonographic Findings
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Fisher J et al: COVID-19 associated parotitis. Am J Emerg Med. 39:254.e1-3, 2021
Lechien JR et al: Parotitis-like symptoms associated with COVID-19, France, March-April 2020. Emerg Infect Dis. 26(9), 2020
Schiffer BL et al: Sjögren's syndrome in children with recurrent parotitis. Int J Pediatr Otorhinolaryngol. 129:109768, 2020
Papadopoulou-Alataki E et al: Juvenile recurrent parotitis: the role of sialendoscopy. Int J Inflam. 2019:7278907, 2019
Tucci FM et al: Juvenile recurrent parotitis: diagnostic and therapeutic effectiveness of sialography. Retrospective study on 110 children. Int J Pediatr Otorhinolaryngol. 124:179-84, 2019
Guerin JB et al: Pediatric parotid region lesions: an imaging review. Neurographics. 8(6):394-412, 2018
Inarejos Clemente EJ et al: Imaging evaluation of pediatric parotid gland abnormalities. Radiographics. 38(5):1552-75, 2018
Abdel Razek AA et al: Imaging of sialadenitis. Neuroradiol J. 30(3):205-15, 2017
Ramakrishna J et al: Sialendoscopy for the management of juvenile recurrent parotitis: a systematic review and meta-analysis. Laryngoscope. 125(6):1472-9, 2015
Roby BB et al: Treatment of juvenile recurrent parotitis of childhood: an analysis of effectiveness. JAMA Otolaryngol Head Neck Surg. 141(2):126-9, 2015
Francis CL et al: Pediatric sialadenitis. Otolaryngol Clin North Am. 47(5):763-78, 2014
Ismail EA et al: Neonatal suppurative parotitis over the last 4 decades: report of three new cases and review. Pediatr Int. 55(1):60-4, 2013
Kristensen RN et al: Facial nerve palsy caused by parotid gland abscess. J Laryngol Otol. 126(3):322-4, 2012
Lampropoulos P et al: Acute suppurative parotitis: a dreadful complication in elderly surgical patients. Surg Infect (Larchmt). 13(4):266-9, 2012
Cascarini L et al: Epidemiology of salivary gland infections. Oral Maxillofac Surg Clin North Am. 21(3):353-7, 2009
Saarinen RT et al: Cases presenting as parotid abscesses in children. Int J Pediatr Otorhinolaryngol. 71(6):897-901, 2007
Shanley JD: The resurgence of mumps in young adults and adolescents. Cleve Clin J Med. 74(1):42-4, 47-8, 2007
Spiegel R et al: Acute neonatal suppurative parotitis: case reports and review. Pediatr Infect Dis J. 23(1):76-8, 2004