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Volume 8
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10.1055/s-0034-1393736
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Craniomaxillofacial Trauma & Reconstruction is published by MDPI from Volume 18 Issue 1 (2025). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Sage.
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Case Report

Pneumosinus Dilatans Helping Subcranial Resection in a Patient with Advanced Ethmoid Malignancy

by
Shawn T. Joseph
,
Krishnakumar Thankappan
*,
Rahul Buggaveeti
and
Subramania Iyer
Department of Head and Neck Surgery, Amrita Institute of Medical Sciences, Amrita University, Kochi, Kerala, India
*
Author to whom correspondence should be addressed.
Craniomaxillofac. Trauma Reconstr. 2015, 8(3), 218-220; https://doi.org/10.1055/s-0034-1393736
Submission received: 2 April 2014 / Revised: 23 April 2014 / Accepted: 23 April 2014 / Published: 20 November 2014

Abstract

Subcranial approach is a useful procedure in the management of limited anterior skull base tumors. But the posterior and superior visualization may be limited, in ethmoid malignancies with a large intracranial extension. A 55-year-old male patient, a case of an ethmoid malignancy, with a large intracranial component was resected with adequate margins by a subcranial approach. The coincident pneumosinus dilatans helped the surgical resection. This case demonstrates that assessment of pneumatization of the frontal sinus is as important as the size and extent of the tumor, while deciding an anterior skull base surgical approach. Even large malignant lesions may be approached subcranially if the frontal sinus is proportionately large. Pneumosinus dilatans, though rare, can be used to the benefit of the patient in selecting a less invasive approach.
Keywords: subcranial approach; pneumosinus dilatans; frontal sinus; craniofacial resection; esthesioneuroblastoma subcranial approach; pneumosinus dilatans; frontal sinus; craniofacial resection; esthesioneuroblastoma

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MDPI and ACS Style

Joseph, S.T.; Thankappan, K.; Buggaveeti, R.; Iyer, S. Pneumosinus Dilatans Helping Subcranial Resection in a Patient with Advanced Ethmoid Malignancy. Craniomaxillofac. Trauma Reconstr. 2015, 8, 218-220. https://doi.org/10.1055/s-0034-1393736

AMA Style

Joseph ST, Thankappan K, Buggaveeti R, Iyer S. Pneumosinus Dilatans Helping Subcranial Resection in a Patient with Advanced Ethmoid Malignancy. Craniomaxillofacial Trauma & Reconstruction. 2015; 8(3):218-220. https://doi.org/10.1055/s-0034-1393736

Chicago/Turabian Style

Joseph, Shawn T., Krishnakumar Thankappan, Rahul Buggaveeti, and Subramania Iyer. 2015. "Pneumosinus Dilatans Helping Subcranial Resection in a Patient with Advanced Ethmoid Malignancy" Craniomaxillofacial Trauma & Reconstruction 8, no. 3: 218-220. https://doi.org/10.1055/s-0034-1393736

APA Style

Joseph, S. T., Thankappan, K., Buggaveeti, R., & Iyer, S. (2015). Pneumosinus Dilatans Helping Subcranial Resection in a Patient with Advanced Ethmoid Malignancy. Craniomaxillofacial Trauma & Reconstruction, 8(3), 218-220. https://doi.org/10.1055/s-0034-1393736

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