Sinonasal Tumor-Like Lesions

  • Alessandro FranchiEmail author


Sinonasal tumor-like lesions represent a heterogeneous group of non-neoplastic growths that may clinically and/or histologically mimic a tumor, thus requiring careful differential diagnosis to avoid overtreatment. Some of these lesions are common, like inflammatory polyps, while others are very rare. They occur over a wide age range, involving pediatric patients as well as adults.


Inflammatory polyp Antrochoanal polyp Nasal glial heterotopia Nasal encephalocele Respiratory epithelial adenomatoid hamartoma Seromucinous hamartoma Chondromesenchymal hamartoma Paranasal sinus mucocele Necrotizing sialometaplasia Organized hematoma Amyloidosis Eosinophilic angiocentric fibrosis 


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Department of Translational Research and of New Technologies in Medicine and SurgeryUniversity of PisaPisaItaly

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