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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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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...
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Optical coherence tomography (OCT) in neuro-ophthalmology.

Neda Minakaran1, Emanuel R de Carvalho2,3, Axel Petzold2,4,5

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Area of Science:

  • Ophthalmology and Neuroscience

Background:

  • Optical coherence tomography (OCT) is a crucial non-invasive imaging technology for neuro-ophthalmic conditions.
  • OCT enables detailed characterization of the optic nerve head, retinal nerve fiber layer, and macular cellular layers, including the ganglion cell layer.

Purpose of the Study:

  • To review the technical aspects and applications of OCT in neuro-ophthalmology.
  • To discuss potential pitfalls and emerging OCT angiography uses in managing neuro-ophthalmic diseases.

Main Methods:

  • Review of existing literature and clinical applications of OCT in neuro-ophthalmology.
  • Discussion of OCT's capabilities in qualitative and quantitative assessment of optic nerve diseases.

Main Results:

  • OCT provides valuable insights into optic nerve head and retinal structure.
  • The technology aids in the assessment of various optic neuropathies and related conditions.

Conclusions:

  • OCT is increasingly vital for diagnosing and managing neuro-ophthalmic disorders.
  • Emerging OCT angiography techniques show promise for expanded clinical utility.