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 (1.5×1.2 cm), suggestive of a mixed tumour of the right maxillary gland, requiring histological evaluation. He underwent a right submandibulectomy and an IgG4-positive chronic sclerosing sialadenitis was diagnosed. The patient’s condition evolved favourably, resulting in a full recovery. The clinical features and differential diagnosis of this entity are debated in light of relevant literature.
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Contributors All authors contributed to the writing and editing of the manuscript. RN wrote the case presentation and outcome and follow-up. IP wrote the ultrasound examination and provided the respective pictures. FGP covered the rest of the sections and provided the rest of the manuscript figures. RS oversaw the write-up and corrected the final manuscript. All authors approved the final submitted draft.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.