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Biomedical subjects

Thomas C Cannon

Publications and source records attributed to Thomas C Cannon.

9 recordsLinked to original sources

Carcinomatous optic neuropathy.

A man with advanced malignant disease presented complaining of vision changes in the left eye. Examination revealed an afferent pupillary defect and visual field defect in that eye. Imaging indicated carcinomatous disease of the left optic nerve, and a diagnosis of carcinomatous optic neuropathy was made.

Adult↗

Optic neuropathy in patient with Wegener's granulomatosis.

A 32-year-old white male presented to the Jones Eye Institute at the University of Arkansas for Medical Sciences with blurred vision of the right eye (OD) and severe bilateral retrobulbar pain. He had an eight-year history of Wegener's granulomatosis. On examination there was optic disc edema OD and extensive bilateral orbital involvement with compression of the right optic nerve by neuroimaging studies. Optic nerve compression is rare in Wegener's granulomatosis. The ophthalmic manifestations are reviewed.

Adult↗

Fishhook injuries of the eye: report of a case and review of management.

A 29-year-old African American man presented to the emergency department at the University of Arkansas for Medical Sciences with a fishhook perforating the cornea of the left eye (OS) extending into the anterior chamber. The fishhook was removed via its entrance wound and was subsequently repaired. Fishhook injuries to the eye can result in profound visual impairment. Management of these injuries is dependent on the involved ocular structures and location of the hook. Visual prognosis can be profoundly affected by the initial management. Surgical management options are reviewed.

Adult↗

Case of the month. Acute frosted angiitis.

A 42-year-old woman presented with acute visual loss in the left eye with funduscopic evidence of marked retinal periphlebitis (frosted angiitis) and a macular star. Extensive serologic testing identified no etiology. The purpose of this report is to review the clinical features and systemic associations of acute frosted angiitis, a rare ophthalmologic entity.

Adult↗

Case of the month. Neurofibromatosis type 1.

A 22-year-old white female presented to the Jones Eye Institute (JEI) complaining of pain and blurred vision in her left eye (OS). Slit-lamp examination revealed Lisch's nodules, and physical examination revealed multiple cutaneous neurofibromas and café-au-lait spots leading to a new diagnosis of neurofibromatosis type 1 (NF-1).

Adult↗