{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,5]],"date-time":"2025-11-05T21:11:05Z","timestamp":1762377065880,"version":"3.44.0"},"reference-count":31,"publisher":"BMJ","issue":"1","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2021,11,25]]},"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:p>A 74-year-old man was referred for a plastic surgery consultation for two previous acute episodes of right submandibular sialadenitis. Physical examination revealed a lump in the right submandibular region, painful on palpation. The initial impression on clinical examination was of sialolithiasis. The sonography demonstrated a structural heterogeneity of the submandibular gland with a hypoechogenic and vascularised nodular formation (1.5\u00d71.2\u2009cm), suggestive of a mixed tumour of the right maxillary gland, requiring histological evaluation. He underwent a right submandibulectomy and an IgG<jats:sub>4<\/jats:sub>-positive chronic sclerosing sialadenitis was diagnosed. The patient\u2019s condition evolved favourably, resulting in a full recovery. The clinical features and differential diagnosis of this entity are debated in light of relevant literature.<\/jats:p>","DOI":"10.1136\/bcr-2021-245518","type":"journal-article","created":{"date-parts":[[2022,1,12]],"date-time":"2022-01-12T11:45:13Z","timestamp":1641987913000},"page":"e245518","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Chronic sclerosing sialadenitis (K\u00fcttner\u2019s tumour) of the submandibular gland: a neoplastic mimic"],"prefix":"10.1136","volume":"15","author":[{"given":"Filipa Galante","family":"Pereira","sequence":"first","affiliation":[{"name":"Pathology Department, Western Lisbon Hospital Center EPE Hospital de Egas Moniz, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruben","family":"Nogueira","sequence":"additional","affiliation":[{"name":"Plastic Surgery Department, Western Lisbon Hospital Center EPE Hospital de Egas Moniz, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Iris","family":"Pataca","sequence":"additional","affiliation":[{"name":"Radiology Department, Western Lisbon Hospital Center EPE Hospital de Egas Moniz, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rita","family":"Sampaio","sequence":"additional","affiliation":[{"name":"Pathology Department, Western Lisbon Hospital Center EPE Hospital de Egas Moniz, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2022,1,12]]},"reference":[{"key":"2025082804244239000_15.1.e245518.1","doi-asserted-by":"publisher","DOI":"10.1097\/01.pas.0000164031.59940.fc"},{"key":"2025082804244239000_15.1.e245518.2","doi-asserted-by":"crossref","unstructured":"Sebastian A , Donizy P , Wiland P . 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