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  • Title: Delayed neurotoxic complication of intracavitary bleomycin therapy for craniopharyngioma in a child who had previously undergone radiosurgery. Case report.
    Author: Belen D, Er U, Yigitkanli K, Bolay H.
    Journal: J Neurosurg; 2007 May; 106(5 Suppl):391-3. PubMed ID: 17566208.
    Abstract:
    Local administration of bleomycin for the treatment of craniopharyngioma is occasionally associated with serious regional complications. The authors report a case of a delayed neurotoxic complication associated with bleomycin treatment in a patient who had previously undergone radiosurgery. A 14-year-old boy presented with a cyst recurrence of mixed-type craniopharyngioma. An Ommaya device was placed in the thin-walled cyst, and after confirmation that the device was watertight, the patient received a total dose of 75 mg bleomycin intratumorally during a 5-week period. Six weeks after the final drug administration, the patient experienced complex partial epileptic seizures; a few days later sudden right temporal hemianopia developed. Within 5 days the patient became totally blind in his right eye, and the condition did not respond to corticosteroid therapy. Although drug-related toxic complications occur commonly during the course of intracavitary bleomycin treatment, they may also be encountered during the follow-up period. The reason for this delayed complication could have been previous radiotherapy or hypersensitivity of the tumor capsule to the drug.
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