Related Experiment Video

Updated: Dec 2, 2025

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery
09:53

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

Published on: July 5, 2021

4.0K

Sinonasal Chondrosarcoma Presenting With Isolated Severe Vision Loss

Michael T B Nguyen1, Armin Farahvash, Brendan C Dickson

  • 1Department of Ophthalmology and Vision Sciences (MTBN, JAM), University of Toronto, Toronto, Ontario, Canada ; Faculty of Medicine (AF), University of Toronto, Toronto, Ontario, Canada ; Department of Pathology and Laboratory Medicine (BCD), Mount Sinai Hospital; Department of Laboratory Medicine and Pathobiology (BCD), University of Toronto, Toronto, Ontario, Canada ; Department of Otolaryngology-Head and Neck Surgery (JML), St. Michael's Hospital, Toronto, Ontario, Canada ; Department of Otolaryngology-Head and Neck Surgery (JML), University of Toronto, Toronto, Ontario, Canada ; Division of Neurosurgery (MDC), Department of Surgery, St. Michael's Hospital, Toronto, Ontario, Canada ; Department of Surgery (MDC), University of Toronto, Toronto, Ontario, Canada ; Radiation Medicine Program (DST), Princess Margaret Cancer Centre, University Health Network; Department of Radiation Oncology (DST), University of Toronto, Toronto, Ontario, Canada ; Division of Neurology (JAM), Department of Medicine, University of Toronto, Toronto, Ontario, Canada; and Department of Ophthalmology (JAM), St. Michael's Hospital, Toronto, Ontario, Canada.

Journal of Neuro-Ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society
|November 2, 2020
PubMed
Summary

Sinonasal chondrosarcoma can cause vision loss by compressing the optic nerve. Early diagnosis and surgical resection are crucial for preserving sight in patients with these rare tumors.

More Related Videos

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

19.2K
Surgical Treatment of an Endolymphatic Sac Tumor04:34

Surgical Treatment of an Endolymphatic Sac Tumor

Published on: May 26, 2023

1.2K

Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
977
Glaucoma: Overview01:25

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.1K
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
853
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
566