Related Experiment Video
Updated: Feb 14, 2026

Identification of OTX1 and OTX2 As Two Possible Molecular Markers for Sinonasal Carcinomas and Olfactory Neuroblastomas
Published on: February 28, 2019
Orbital exenteration for sinonasal malignancies: indications, rehabilitation and oncologic outcomes
José G Vartanian1, Ronaldo N Toledo1, Thiago Bueno2
1Head and Neck Surgery and Otorhinolaryngology Department.
Purpose Of Review:
Review the recent literature regarding the management of orbital invasion in sinonasal malignant tumors.
Recent Findings:
There is a recent trend in preserving the orbit in cases of minimal invasion of periosteum and limited periorbit involvement, as well as in presence of good response to neoadjuvant chemotherapy, mainly in squamous cell carcinoma and neuroendocrine histologies.
Summary:
The decision about orbital exenteration in cases of sinonasal malignancies is facilitated if the patient already has clear clinical signs of intraconal invasion such as visual loss, restriction of ocular mobility or infiltration of the eyeglobe. However, in borderline situations, confirmation of orbital involvement should be performed intraoperatively. In selected cases with minimal orbital invasion without functional compromise, orbit sparing surgery can be done with acceptable oncological outcomes.
Related Concept Videos
Indicators
Atomic Orbitals
Molecular Orbital Theory I
Molecular Orbital Theory II
Hybridization of Atomic Orbitals II
Hybridization of Atomic Orbitals I

