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• W1991526923 abstract "Purpose: Optic neuropathies represent a common cause of blindness among patients with cancer. The authors present the clinical and imaging findings and discuss the management of optic nerve involvement from metastatic prostate cancer to the optic canal. Methods: Five patients with advanced metastatic prostate cancer had visual loss. Neurophthalmologic examination and pre- and post-gadolinium orbital and brain magnetic resonance imaging (MRI) were performed. Compressive optic neuropathy secondary to extensive optic canal involvement was demonstrated in all of the patients. Neuropathologic examination was accomplished in two cases. A combination of steroid and focal radiation therapy was used for treatment in four patients. Results: Imaging and neuropathologic findings demonstrated a compressive optic neuropathy secondary to both epidural metastases and to deformity and hypertrophy of the optic canal due to metastatic cancer. Treatment was of benefit in three cases. Conclusion: Acute and subacute unilateral or bilateral optic neuropathy in patients with prostate cancer may be the result of optic canal metastases. Magnetic resonance imaging shows a characteristic pattern of bone hypertrophy and deformity with optic nerve compression. Early combination steroid and radiation therapy may induce long-lasting improvement. Purpose: Optic neuropathies represent a common cause of blindness among patients with cancer. The authors present the clinical and imaging findings and discuss the management of optic nerve involvement from metastatic prostate cancer to the optic canal. Methods: Five patients with advanced metastatic prostate cancer had visual loss. Neurophthalmologic examination and pre- and post-gadolinium orbital and brain magnetic resonance imaging (MRI) were performed. Compressive optic neuropathy secondary to extensive optic canal involvement was demonstrated in all of the patients. Neuropathologic examination was accomplished in two cases. A combination of steroid and focal radiation therapy was used for treatment in four patients. Results: Imaging and neuropathologic findings demonstrated a compressive optic neuropathy secondary to both epidural metastases and to deformity and hypertrophy of the optic canal due to metastatic cancer. Treatment was of benefit in three cases. Conclusion: Acute and subacute unilateral or bilateral optic neuropathy in patients with prostate cancer may be the result of optic canal metastases. Magnetic resonance imaging shows a characteristic pattern of bone hypertrophy and deformity with optic nerve compression. Early combination steroid and radiation therapy may induce long-lasting improvement." @default.
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• W1991526923 date "1993-11-01" @default.
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• W1991526923 title "Metastatic Prostate Cancer to the Optic Canal" @default.
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• W1991526923 doi "https://doi.org/10.1016/s0161-6420(93)31413-2" @default.
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