Undifferentiated carcinoma arising from the Stensen's duct: a case report and review of the literature

Muñoz-Guerra, M.F.; Nieto, Santiago; Capote, Ana; Rodríguez-Campo, F.J.; Naval-Gías, Luis

doi:10.1016/j.amjoto.2005.05.003

Cited by 5 publications

(4 citation statements)

References 18 publications

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“…Excretory duct basal reserve cells are presumed to be the cell of origin of StDCs [6,7], most of which appear to have squamous differentiation, though divergent differentiation can produce a range of patterns of carcinoma. Of the 24 currently accepted cases, 10 were squamous, 7 mucoepidermoid carcinomas, 3 unspecified types of adenocarcinoma, 2 adenoid cystic carcinomas and 2 undifferentiated carcinomas.…”

Section: Discussionmentioning

confidence: 99%

Stensen’s Duct Carcinoma with a Papillary Architecture

Nissanka-Jayasuriya

Odell

Falconer

2014

Head and Neck Pathol

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Primary carcinoma of the parotid duct (Stensen's duct carcinoma) is a rare entity, first described in 1927 and with approximately thirty-one cases reported in the English literature. Criteria for diagnosis are primarily demonstration of an origin from the Stensen's duct lining and exclusion of parotid gland, accessory parotid, oral mucosal and adjacent minor salivary gland origin. The carcinoma is usually of a specific type, and most have been described as squamous, mucoepidermoid, or undifferentiated adenocarcinomas. We report an unusual case of Stensen's duct carcinoma showing a primarily basaloid phenotype with focal squamous differentiation and a partial papillary architecture raising the possibility of malignant transformation in a ductal papilloma. Wide local excision was performed with postoperative radiotherapy and the patient is free of complications one and a half years postoperatively. Due to the small number of cases reported, the overall prognosis is not well defined, but seems to depend on the tumour size. Regional metastasis confers a 14 % mortality rate but there appears to be no relationship between histological type and prognosis.

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Section: Discussionmentioning

confidence: 99%

Stensen’s Duct Carcinoma with a Papillary Architecture

Nissanka-Jayasuriya

Odell

Falconer

2014

Head and Neck Pathol

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“…Clinical differential diagnosis of a nodular lesion arising in the soft tissue of the cheek such as in the case presented would include epidermal cyst or lymph node, neoplasms of the parotid gland, lesions of the Stensen duct, and neoplasms of the accessory parotid gland. 5 Imaging can help in differentiating all these. Because of the superficial location, high-resolution sonography should be the primary imaging modality.…”

Section: Discussionmentioning

confidence: 99%

Intraductal Papilloma of the Extraglandular Segment of the Stensen Duct

Tandon

Wadhwa

Jain

et al. 2011

Journal of Diagnostic Medical Sonography

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Intraductal papillary neoplasm of major salivary glands is exceedingly rare. Most reported cases have been diagnosed on histopathology; an extensive literature search found no case where a preoperative imaging diagnosis was suspected or established. This report depicts the sonographic diagnosis of intraductal papilloma of the extraglandular segment of the Stensen duct. The sonographic and histological appearances of this rare entity are illustrated.

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“…The intraglandular portion of the parotid duct has a pseudostratified epithelium that consists of columnar cells and smaller basal cells. As the parotid duct approaches the mouth, the epithelium becomes a true stratified epithelium 6 (Figure 5). It is the portion of the duct with this particular histology that is at greatest risk for injury during surgery.…”

Section: Discussionmentioning

confidence: 99%