Abstract
Ectopic salivary gland tissue (ESGT) is salivary tissue located outside the major, minor and accessory salivary glands. Neoplasms rarely arise from ESGT, let alone carcinoma expleomorphic adenoma (CEPA) which is a malignant tumour that arises from the epithelial component of pleomorphic adenoma. It usually occurs in the parotid gland and in lesser instances, from submandibular gland or minor salivary glands. Herein, we report a rare case of CEPA in right supraclavicular ESGT of a 67-year-old lady.She underwent complete surgical excision of the mass and is free from any recurrence to date. Brief review of pathogenesis, clinical features and treatment of ectopic CEPA are discussed. A thorough review of the English literature reveals that our patient may be the second case of ectopic CEPA in the neck region ever reported to date.
 Bangladesh Journal of Medical Science Vol.20(3) 2021 p.658-661
Highlights
Ectopic salivary gland tissue (ESGT) is salivary tissue located outside the major, minor and accessory salivary glands
carcinoma ex-pleomorphic adenoma (CEPA) is a malignant tumour that arises from the epithelial component of pleomorphic adenoma (PA), either from primary or recurrent PA
A thorough review of the English literature reveals only solitary case of CEPA arising from ESGT in neck being reported[1]
Summary
Ectopic salivary gland tissue (ESGT) is salivary tissue located outside the major, minor and accessory salivary glands. The finding of carcinoma ex-pleomorphic adenoma (CEPA) in ESGT is even rarer let alone at supraclavicular region. A 67-year-old lady with underlying hypertension presented with complaint of painless swelling in the right supraclavicular region for 6 months. She denied other symptoms during that period. Fine needle aspiration cytology (FNAC) revealed features suggestive either of salivary gland tumour or adnexal tumour It was indeterminate as despite the bland looking nuclei, there was high proliferative index noted with necrotic. 1. Kuganathan Ramasamy, Department of Otorhinolaryngology-Head & Neck Surgery, Hospital Tuanku Ja’afar, Seremban, Negeri Sembilan, Malaysia. 3. Norhaslinda Abdul Gani, Department of Otorhinolaryngology-Head & Neck Surgery, Hospital Tuanku Ja’afar, Seremban, Negeri Sembilan, Malaysia. Informed consent was obtained from the patient for this report
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