Biomaterial Database

Polymorphous adenocarcinoma of the salivary glands: reappraisal and update. 2018

Vincent Vander Poorten, and Asterios Triantafyllou, and Alena Skálová, and Göran Stenman, and Justin A Bishop, and Esther Hauben, and Jennifer L Hunt, and Henrik Hellquist, and Simon Feys, and Remco De Bree, and Antti A Mäkitie, and Miquel Quer, and Primož Strojan, and Orlando Guntinas-Lichius, and Alessandra Rinaldo, and Alfio Ferlito

Department of Oncology-Section Head and Neck Oncology, Otorhinolaryngology-Head and Neck Surgery and Leuven Cancer Institute, University Hospitals Leuven, KU Leuven, Leuven, Belgium. vincent.vanderpoorten@uzleuven.be.

Although relatively rare, polymorphous adenocarcinoma (PAC) is likely the second most common malignancy of the minor salivary glands (MiSG). The diagnosis is mainly based on an incisional biopsy. The optimal treatment comprises wide surgical excision, often with adjuvant radiotherapy. In general, PAC has a good prognosis. Previously, PAC was referred to as polymorphous low-grade adenocarcinoma (PLGA), but the new WHO classification of salivary gland tumours has also included under the PAC subheading, the so-called cribriform adenocarcinoma of minor salivary glands (CAMSG). This approach raised controversy, predominantly because of possible differences in clinical behaviour. For example, PLGA (PAC, classical variant) only rarely metastasizes, whereas CAMSG often shows metastases to the neck lymph nodes. Given the controversy, this review reappraises the definition, epidemiology, clinical presentation, diagnostic work-up, genetics, treatment modalities, and prognosis of PAC of the salivary glands with a particular focus on contrasting differences with CAMSG.

UI	MeSH Term	Description	Entries
D011379	Prognosis	A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations.	Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000230	Adenocarcinoma	A malignant epithelial tumor with a glandular organization.	Adenocarcinoma, Basal Cell,Adenocarcinoma, Granular Cell,Adenocarcinoma, Oxyphilic,Adenocarcinoma, Tubular,Adenoma, Malignant,Carcinoma, Cribriform,Carcinoma, Granular Cell,Carcinoma, Tubular,Adenocarcinomas,Adenocarcinomas, Basal Cell,Adenocarcinomas, Granular Cell,Adenocarcinomas, Oxyphilic,Adenocarcinomas, Tubular,Adenomas, Malignant,Basal Cell Adenocarcinoma,Basal Cell Adenocarcinomas,Carcinomas, Cribriform,Carcinomas, Granular Cell,Carcinomas, Tubular,Cribriform Carcinoma,Cribriform Carcinomas,Granular Cell Adenocarcinoma,Granular Cell Adenocarcinomas,Granular Cell Carcinoma,Granular Cell Carcinomas,Malignant Adenoma,Malignant Adenomas,Oxyphilic Adenocarcinoma,Oxyphilic Adenocarcinomas,Tubular Adenocarcinoma,Tubular Adenocarcinomas,Tubular Carcinoma,Tubular Carcinomas
D012468	Salivary Gland Neoplasms	Tumors or cancer of the SALIVARY GLANDS.	Cancer of Salivary Gland,Non-Sebaceous Lymphadenomas,Salivary Gland Cancer,Salivary Gland Lymphadenomas,Sebaceous Lymphadenomas,Cancer of the Salivary Gland,Neoplasms, Salivary Gland,Cancer, Salivary Gland,Cancers, Salivary Gland,Gland Neoplasm, Salivary,Gland Neoplasms, Salivary,Lymphadenoma, Non-Sebaceous,Lymphadenoma, Salivary Gland,Lymphadenoma, Sebaceous,Lymphadenomas, Non-Sebaceous,Lymphadenomas, Salivary Gland,Lymphadenomas, Sebaceous,Neoplasm, Salivary Gland,Non Sebaceous Lymphadenomas,Non-Sebaceous Lymphadenoma,Salivary Gland Cancers,Salivary Gland Lymphadenoma,Salivary Gland Neoplasm,Sebaceous Lymphadenoma
D012470	Salivary Glands, Minor	Accessory salivary glands located in the lip, cheek, tongue, floor of mouth, palate and intramaxillary.	Gland, Minor Salivary,Glands, Minor Salivary,Minor Salivary Gland,Minor Salivary Glands,Salivary Gland, Minor