Papillary squamous neoplasms of the upper respiratory tract are rare variants of squamous cell carcinomas. They are characterized by an exophytic, papillary growth and have generally a favorable prognosis. The tumor has been described in the upper aerodigestive tract. In this context, most common sites of involvement are the larynx and hypopharynx, and rarely the oral cavity and oropharynx. The limited studies and the small number of published cases of papillary squamous cell carcinoma of the palatine tonsil, have induced us to make a complete analysis of this tumor by analysing the clinical, histological, radiological, virological and therapeutic aspects that are not always present in the literature. A case of papillary squamous cell carcinoma of the palatine tonsil is therefore reported. The lesion (T2N0M0) was located into the left palatal tonsil that hung towards the oral cavity. Both HPV 16 DNA and E6/E7 mRNA were detected in the lesion. The clinicopathological profile of the neoplasm is presented and a comprehensive review of recent literature was made by analyzing all aspects of interest of this neoplasm.
Le neoplasie squamose papillari delle vie aeree digestive superiori sono una rara variante del carcinoma a cellule squamose. Sono caratterizzate da una crescita esofitica papillare ed hanno una prognosi generalmente favorevole. Il tumore è già stato descritto a livello delle vie aeree digestive superiori. In tale contesto, le localizzazioni più frequenti sono la laringe e l’ipofaringe, mentre raramente sono interessati la cavità orale e l’ipofaringe. Gli studi limitati unitamente all’esiguo numero di casi pubblicati di carcinoma squamoso papillare a localizzazione tonsillare, ci hanno indotto ad una completa analisi di questo tumore, analizzando gli aspetti clinici, istopatologici, radiologici, virologici e terapeutici, non sempre presenti in letteratura. Un case report di carcinoma squamoso papillare della tonsilla palatina è pertanto riportato. La lesione (T2N0M0) localizzata a livello della tonsilla palatina sinistra si aggettava verso la cavità orale. HPV DNA 16 ed mRNA E6/E7 erano rilevati nella lesione. Un profilo della neoplasia è pertanto presentato unitamente ad una completa revisione della recente letteratura, analizzando tutti gli aspetti di interesse di tale neoplasia.
Papillary squamous cell carcinoma of the palatine tonsil: a rare cancer of the head and neck.
SERRA, Agostino;Caltabiano RSecondo
;SCALIA, Guido;Di Mauro P;COCUZZA, SALVATORE GIUSEPPE
2017-01-01
Abstract
Papillary squamous neoplasms of the upper respiratory tract are rare variants of squamous cell carcinomas. They are characterized by an exophytic, papillary growth and have generally a favorable prognosis. The tumor has been described in the upper aerodigestive tract. In this context, most common sites of involvement are the larynx and hypopharynx, and rarely the oral cavity and oropharynx. The limited studies and the small number of published cases of papillary squamous cell carcinoma of the palatine tonsil, have induced us to make a complete analysis of this tumor by analysing the clinical, histological, radiological, virological and therapeutic aspects that are not always present in the literature. A case of papillary squamous cell carcinoma of the palatine tonsil is therefore reported. The lesion (T2N0M0) was located into the left palatal tonsil that hung towards the oral cavity. Both HPV 16 DNA and E6/E7 mRNA were detected in the lesion. The clinicopathological profile of the neoplasm is presented and a comprehensive review of recent literature was made by analyzing all aspects of interest of this neoplasm.File | Dimensione | Formato | |
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