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Ophthalmic Images |

Visualization of a Hematoma of the Cloquet Canal Online Only

Andrew G. Lee, MD1,3,4,5; Stacy V. Smith, MD1; Leanne M. Little2
[+] Author Affiliations
1Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas
2Baylor College of Medicine, Houston, Texas
3Department of Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York, New York
4Department of Ophthalmology, University of Texas Medical Branch, Galveston
5Baylor College of Medicine and the University of Iowa Hospitals and Clinics, Iowa City
JAMA Ophthalmol. 2016;134(5):e155364. doi:10.1001/jamaophthalmol.2015.5364.
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This case report describes a white man in his mid to late forties with a history of Huntington disease presented with acute painful left eye vision loss

A white man in his mid to late forties with a history of Huntington disease presented with acute painful left eye vision loss. He was diagnosed with acute angle-closure glaucoma secondary to iris neovascularization and underwent diode cyclophotocoagulation after combination topical and systemic medical treatment failed. Workup included ultrasonography examination owing to unsuccessful left fundus visualization. This revealed a hyperechoic lesion within the vitreous, consistent with a Cloquet canal hematoma (Figure, A). Magnetic resonance imaging of the orbit also confirmed the intravitreal hyperintense lesion located anterior to the optic nerve (Figure, B).

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Figure.

A, B-scan ultrasonography of the left eye shows a Cloqeut canal hematoma (arrowhead). B, Magnetic resonance imaging demonstrates acute hemorrhagic products that appear hyperintense on T1 sequence (arrowhead).

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