Abstract The World Health Organization Classification of Head and Neck Tumours recently
published the 5th edition. There are new entities, emerging entities, and significant updates …

Simple Summary Inverted papillomas are benign sinonasal tumors that can recur or become
cancerous. The mainstay of treatment is surgical resection. We summarize the biology of …

Abstract A novel DEK-AFF2 fusion was recently reported in 4 nonkeratinizing squamous cell
carcinomas of the sinonasal region and skull base, including 1 with exceptional response to …

Composite hemangioendothelioma is a rare, locally aggressive, and rarely metastasizing
vascular neoplasm which affects both children and adults. Recently, a number of gene …

Background Oncocytes are a component of many metaplastic and neoplastic lesions
throughout the head and neck area, primarily originating in salivary/seromucinous glands …

Introduction Herein we describe a series of rare peripheral pulmonary neoplasms
temporarily termed “peripheral type squamous cell neoplasm of uncertain malignant …

Objectives To examine the epidemiology, subtypes, trends over time, and predictive factors
for recurrence and malignant transformation of sinonasal papillomas. Methods A …

Simple Summary The majority of patients with sinonasal squamous cell carcinoma (SNSCC)
associated with inverted sinonasal papilloma carry an exon 20 insertion activating mutation …

Background: The genetic basis of sinonasal inverted papilloma (SNIP)-derived squamous
cell carcinoma (SCC) has not yet been well characterized. Aim: To characterize the genetic …

Background: The purpose of this study was to evaluate p16, p53, EGFR, pEGFR protein
expression and HPV infection as possible markers of tumor progression in a series of …