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Updated: Jul 24, 2026
Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Recurrent polymorphous low-grade adenocarcinoma manifesting as a sinonasal mass: a case report
Daniel D Charous1, Mary F Cunnane, Marc R Rosen
1Department of Otolaryngology-Head and Neck Surgery, Thomas Jefferson University, 925 Chestnut St., Philadelphia, PA 19107, USA. dcharous@yahoo.com
Abstract:
Polymorphous low-grade adenocarcinoma (PLGA) is a malignant neoplasm that tends to follow a benign clinical course. Recurrences are uncommon. We report a case of recurrent PLGA of the paranasal sinuses that manifested as a large mass that filled the entire nasal cavity and left maxillary sinus. To our knowledge, this is the first reported case of a recurrent PLGA of the paranasal sinuses.
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