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  • Title: Vincristine-induced unilateral ptosis in a child.
    Author: Gursel O, Sari E, Altun D, Atay AA, Akin R.
    Journal: Pediatr Neurol; 2009 Dec; 41(6):461-3. PubMed ID: 19931172.
    Abstract:
    Vincristine is a vinca alkaloid used in combination with other agents in the treatment of solid tumors, lymphoma, and leukemia, as well as for idiopathic thrombocytopenic purpura and autoimmune hemolytic anemia. A dose-limiting complication of vinca alkaloids is neurotoxicity. Vincristine is the oldest and also the most neurotoxic agent in this group. Described here is the case of a 4-year-old girl with unilateral palpebral ptosis. She has been diagnosed with precursor B-cell acute lymphoblastic leukemia. Ptosis was noted on the 45th day of therapy, and the last vincristine was administered on the 28th day of protocol 1. Vincristine-induced unilateral palpebral ptosis is a novel finding. Experience with this case suggests conservative treatment, with periodic examination, especially if ptosis is mild.
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