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Abstract
Minor salivary gland tumours are enigmatic in their behaviour and presentations. Histopathological diagnosis of these tumours encompasses a large spectrum. Conventionally, small nodular tumours of the upper lip or the labial mucosa are generally adenomas, frequently pleomorphic adenomas. Here, we describe a case of a solitary nodular tumour, occurring in the upper labial mucosa, diagnosed as sclerosing polycystic adenoma (SPA) with intraductal epithelial proliferation of high grade. This is a rare lesion, which has entered into the category of salivary gland tumours recently in the 2017 WHO categorisation. We report a case of paucicystic SPA with intraductal epithelial proliferations in the labial minor salivary gland of a 56-year-old woman, which might be the first report of a case occurring in the upper labial mucosa.
- dentistry and oral medicine
- pathology
- head and neck surgery
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Footnotes
Contributors SoM, the first author was involved in concept planning, conception and design, definition of intellectual content, literature search, clinical studies, data acquisition, data interpretation, manuscript preparation, manuscript edition, manuscript review. RMB, the second author was involved in concept planning, conception and design, definition of intellectual content, literature search, clinical studies, data acquisition, data interpretation, manuscript preparation, manuscript edition, manuscript review. RV, the third author was involved in concept planning, conception and design, definition of intellectual content, literature search, clinical studies, data acquisition, data interpretation, manuscript preparation, manuscript edition, manuscript review. SuM, the fourth author was involved in concept planning, conception and design, definition of intellectual content, literature search, clinical studies, data acquisition, data interpretation, manuscript preparation, manuscript edition, manuscript review.
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.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.