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Weissferdt, Annikka and Langman, Gerald (2010) An intracapsular carcinoma ex pleomorphic adenoma with lung metastases composed exclusively of benign elements: histological evidence of a continuum between metastasizing pleomorphic adenoma and carcinoma ex pleomorphic adenoma. Pathology, research and practice, 206 (7). pp. 480-3. ISSN 1618-0631. This article is accessible to all HEFT staff and students via NHS Evidence www.evidence.nhs.uk by using their Athens login IDs
Full text not available from this repository.Abstract
Malignant mixed tumors of the salivary glands, encompassing carcinoma ex pleomorphic adenoma (ca ex PA), carcinosarcoma and metastasizing pleomorphic adenoma (mPA), are rare neoplasms. Ca ex PA arises in a pre-existing pleomorphic adenoma (PA). When the malignant component does not breach the capsule of the parent PA, the lesion is termed intracapsular ca ex PA, a neoplasm which is thought to have no metastatic potential. Metastatic deposits of ca ex PA are composed exclusively of malignant elements or mixed benign and malignant components. We describe the case of a 62-year-old female with an intracapsular ca ex PA of the buccal mucosa with subsequent metastases to the lung. The metastatic deposits resembled benign PA with no histological evidence of malignancy. This pattern of spread is described with mPA, an entity that caused controversy in the past regarding its exact classification as a benign or malignant tumor. The possibility that ca ex PA originates from a mPA, with intracapsular ca ex PA representing an intermediate lesion in a histological continuum, is discussed.
| Item Type: | Article |
|---|---|
| Additional Information: | This article is accessible to all HEFT staff and students via NHS Evidence www.evidence.nhs.uk by using their Athens login IDs |
| Subjects: | QZ Pathology. Oncology |
| Divisions: | Clinical Support > Pathology |
| Related URLs: | |
| Depositing User: | Preeti Puligari |
| Date Deposited: | 28 Aug 2014 14:32 |
| Last Modified: | 28 Aug 2014 14:32 |
| URI: | http://www.repository.uhblibrary.co.uk/id/eprint/574 |
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