Secondary SMG sialadenitis: SMG inflammation resulting from ductal obstruction from anterior floor of mouth (FOM) squamous cell carcinoma
Swollen SMG often mistaken for malignant node
Sialolithiasis: Formation and deposition of concretions within SMG ductal system
Secondary to salivary stagnation, precipitation of calcium salts ± epithelial injury along duct leading to sialolith formation (nidus for stone formation)
Autoimmune sialadenitis: Sialadenitis associated with autoimmune diseases
Autoimmune diseases (e.g., Sjögren syndrome) associated with salivary gland enlargement, keratoconjunctivitis sicca, and xerostomia (dry mouth)
Sialadenosis: Nonneoplastic noninflammatory swelling with acinar hypertrophy ± ductal atrophy
Can be inflammatory, autoimmune, drug induced, endocrine, or metabolic
IMAGING
General Features
Ultrasonographic Findings
Radiographic Findings
CT Findings
MR Findings
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Orlandi MA et al: Ultrasound in sialadenitis. J Ultrasound. 16(1):3-9, 2013
Harnsberger HR et al: Diagnostic Imaging: Head & Neck. 1st ed. Salt Lake City: Amirsys. III-4-22-25, 2004
Terraz S et al: How reliable is sonography in the assessment of sialolithiasis? AJR Am J Roentgenol. 201(1):W104-9, 2013
Ahuja AT et al: Kuttner tumour (chronic sclerosing sialadenitis) of the submandibular gland: sonographic appearances. Ultrasound Med Biol. 29(7):913-9, 2003
Kalinowski M et al: Comparative study of MR sialography and digital subtraction sialography for benign salivary gland disorders. AJNR Am J Neuroradiol. 23(9):1485-92, 2002
Ching AS et al: Comparison of the sonographic features of acalculous and calculous submandibular sialadenitis. J Clin Ultrasound. 29(6):332-8, 2001
Secondary SMG sialadenitis: SMG inflammation resulting from ductal obstruction from anterior floor of mouth (FOM) squamous cell carcinoma
Swollen SMG often mistaken for malignant node
Sialolithiasis: Formation and deposition of concretions within SMG ductal system
Secondary to salivary stagnation, precipitation of calcium salts ± epithelial injury along duct leading to sialolith formation (nidus for stone formation)
Autoimmune sialadenitis: Sialadenitis associated with autoimmune diseases
Autoimmune diseases (e.g., Sjögren syndrome) associated with salivary gland enlargement, keratoconjunctivitis sicca, and xerostomia (dry mouth)
Sialadenosis: Nonneoplastic noninflammatory swelling with acinar hypertrophy ± ductal atrophy
Can be inflammatory, autoimmune, drug induced, endocrine, or metabolic
IMAGING
General Features
Ultrasonographic Findings
Radiographic Findings
CT Findings
MR Findings
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Orlandi MA et al: Ultrasound in sialadenitis. J Ultrasound. 16(1):3-9, 2013
Harnsberger HR et al: Diagnostic Imaging: Head & Neck. 1st ed. Salt Lake City: Amirsys. III-4-22-25, 2004
Terraz S et al: How reliable is sonography in the assessment of sialolithiasis? AJR Am J Roentgenol. 201(1):W104-9, 2013
Ahuja AT et al: Kuttner tumour (chronic sclerosing sialadenitis) of the submandibular gland: sonographic appearances. Ultrasound Med Biol. 29(7):913-9, 2003
Kalinowski M et al: Comparative study of MR sialography and digital subtraction sialography for benign salivary gland disorders. AJNR Am J Neuroradiol. 23(9):1485-92, 2002
Ching AS et al: Comparison of the sonographic features of acalculous and calculous submandibular sialadenitis. J Clin Ultrasound. 29(6):332-8, 2001
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