In 9 patients there was larger, single, or multiple inflamed fixed lithiasis of glandula parotis.
Jan Rotnágl, Šárka Zavázalová, Olexii Vorobiov, Jaromír Astl 2016, 'Sialendoscopy and Combined Minimally Invasive Treatment for Large Parotid Stones',BioMed Research Internationalhttp://dx.doi.org/10.1155/2016/1354202. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Parotis ultrasonography can be used for diagnosis.
Cetin Kursad Akpinar, Hakan Dogru, Kemal Balci, Levent Gungor 2016, 'Acute Bacterial Parotitis in Intensive Care Patients: Four Case Reports', Türk Beyin Damar Hastalıkları Dergisihttp://www.journalagent.com/tbdhd/pdfs/TBDHD-92485-BRIEF_COMMUNICATION-AKPINAR.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)