Clinical and morphological aspects of adenocarcinomas of the intestinal type in the inner nose: a retrospective multicenter analysis

Cancers involving the ventral skull base are rare and exceedingly heterogeneous. The variety of malignant tumors that arise in the nasal cavity, paranasal sinuses, nasopharynx, and adjacent mesenchymal tissues translates into a proportionally vast spectrum of prognoses, with some histologies such as olfactory neuroblastoma being associated with rare disease-specific death to other histologies such as mucosal melanoma for which survival beyond 5 years is considered a fortunate exception. Parallel to prognosis, treatment of sinonasal cancers is complex, controversial, and deeply dependent upon the putative pretreatment diagnosis. Given their heterogeneity, cancers of the ventral skull base are particularly prone to multidisciplinary management, which is indispensable. The therapeutic options available to date for these cancers include surgery, which currently remains the mainstay of treatment in most cases, along with radiotherapy and chemotherapy. Biotherapy and immunotherapy are only anecdotally and compassionately used. For each histology, a careful selection of modalities and their timing is paramount to ensure the best chance of cure. In keeping with the principles of precision medicine, several nuances displayed by malignancies of the ventral skull base are being considered as treatment-driving characteristics. This current trend arose from the observation that a remarkable variability of behavior can be observed even within a single histology. Although evidence is lacking in this field and several potential customizations of treatment are still at a theoretical level, understanding of these cancers is rapidly evolving and practical applications of this increasing knowledge is the much-needed step forward in the management of such rare cancers. This chapter highlights the tumor characteristics that may serve as treatment-driving factors in the most relevant cancers invading the ventral skull base.

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Update from the 5th Edition of the World Health Organization Classification of Head and Neck Tumors: Nasal Cavity, Paranasal Sinuses and Skull Base

Thompson

Bishop

2022

Head and Neck Pathol

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Clinical and morphological aspects of adenocarcinomas of the intestinal type in the inner nose: a retrospective multicenter analysis

Cited by 7 publications

References 28 publications

The Pathology of Common Sinonasal and Skull Base Malignancies

The Pathology of Common Sinonasal and Skull Base Malignancies

Precision Medicine in the Treatment of Malignancies Involving the Ventral Skull Base: Present and Future

Update from the 5th Edition of the World Health Organization Classification of Head and Neck Tumors: Nasal Cavity, Paranasal Sinuses and Skull Base

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