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Recovering optic neuritis during systemic cisplatin and carboplatin chemotherapy
A Caraceni1, C Martini, G Spatti
1Divisione di Terapia del Dolore e Cure Palliative, Istituto Nazionale Tumori, Milano, Italy.
Introduction:
We describe bilateral optic neuropathy in a patient affected by ovarian carcinoma treated with cis-platin 160 mg/m2 and carboplatin, 640 mg/m2. The patient was followed for 1 year, when recovery appeared. The few previous descriptions of CDDP optic nerve toxicity did not report recovery.
Methods:
Computerized visual field, visual evoked potentials, pattern electroretinograms, full field flash electroretinograms were recorded during follow-up.
Results:
Optic neuritis appeared 13 weeks after cis-platin discontinuation, with right eye central scotoma; 2 days later the patient became bilaterally blind. Visual evoked potentials were initially absent, reappeared, with delayed latencies to left eye stimuli at 6 months, in both eyes at 9 months. At 1 year delayed VEPs were recorded with right eye stimuli, normal VEPs were recorded for left eye.
Conclusion:
Cis-platin can induce delayed optic neuritis, that can recover in 1 year.