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Review
. 2023 Nov-Dec;73(6):597-619.
doi: 10.3322/caac.21807. Epub 2023 Jul 25.

The evolving landscape of salivary gland tumors

Affiliations
Review

The evolving landscape of salivary gland tumors

Conor E Steuer et al. CA Cancer J Clin. 2023 Nov-Dec.

Abstract

Salivary gland cancers are a rare, histologically diverse group of tumors. They range from indolent to aggressive and can cause significant morbidity and mortality. Surgical resection remains the mainstay of treatment, but radiation and systemic therapy are also critical parts of the care paradigm. Given the rarity and heterogeneity of these cancers, they are best managed in a multidisciplinary program. In this review, the authors highlight standards of care as well as exciting new research for salivary gland cancers that will strive for better patient outcomes.

Keywords: cancer; head and neck; multimodality; salivary gland carcinoma; targeted therapy.

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Conflict of interest statement

Conor E. Steuer reports personal fees from Mirati, Armo, Eli Lilly and Company, AbbVie, EMD Serono, Anheart, Regeneron Pharmaceuticals, Caris, Boehringer Ingelheim, Sanofi US Services Inc., Daiichi Sankyo Company, and G1 Therapeutics outside the submitted work. Glen J. Hanna reports grants/contracts from Genentech, Actuate Therapeutics, and Elevar Therapeutics outside the submitted work. James E. Bates reports personal fees from Castle Biosciences outside the submitted work. Nichole C. Schmitt reports grants/contracts from Astex Pharmaceuticals and personal fees from Checkpoint Surgical Inc., Sensorion, and Synergy Research Inc. outside the submitted work. Alan L. Ho reports grants/contracts from Poseida, AstraZeneca, Bristol-Myers Squibb Company, Merck, Kura Oncology, Bayer, Hookipa, OncC4, Celldex Therapeutics, Ayala, Astellas Pharma, Novartis, Genentech, and Bioatla; personal fees from Remix Therapeutics, the Chemotherapy Foundation, Rgenta, Coherus Biosciences Inc., Prelude Therapeutics, Kura Oncology, Ayala, Elevar Therapeutics, Expert Connect, Eisai, Cellstia, Exelixis, Merck, and Inxmed; is a member of an Affyimmune Therapeutics Data and Safety Monitoring board; and is a member of the International Thyroid Oncology Group board with fiduciary responsibility, all outside the submitted work. Nabil F. Saba reports grants/contracts from Bristol-Myers Squibb Company and personal fees from GlaxoSmithKline, EISAI INC., EMD Serono, BioNTech, Merck, AstraZeneca, Exelixis, Inovio, and Coherus Biosciences Inc. outside the submitted work. Azeem S. Kaka and Kartik Viswanathan disclosed no conflicts of interest.

Figures

FIGURE 1
FIGURE 1
Representative histologic images of commonly encountered salivary gland malignancies. (A) Acinic cell carcinoma (black arrow indicates the tumor; blue arrow, normal parotid tissue), (B) adenoid cystic carcinoma, (C) polymorphous adenocarcinoma, (D) salivary duct carcinoma, (E) secretory carcinoma, (F) carcinoma ex-pleomorphic adenocarcinoma (inset shows low-grade myoepithelial carcinoma component), (G) mucoepidermoid carcinoma, low-grade, (H) intraductal carcinoma, and (I) basal cell adenocarcinoma (black arrow and inset show focus of border invasion with associated desmoplastic stromal response). All glass slides are stained with hematoxylin and eosin, and images were captured from digital scanned slides or directly from the slide.

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