Ten out of 20 children, treated with usual doses of vincristine for various types of childhood cancers, developed neurotoxicity during treatment. Peripheral neurotoxicity (mixed motor-sensory 4/10, pure motor 3/10, pure sensory 3/10) was seen in the form of weakness of lower limbs, areflexia, neuropathic pain, or sensory loss. Autonomic neuropathy presented as constipation and urinary retention in 2 children, while 2 children developed encephalopathy in form of seizures, confusion, aphasia, and transient blindness. In children with severe neuropathy, vincristine administration was withheld/dose reduced till clinical improvement started, which took about 2-3 weeks time. Nerve conduction velocity showed motor-sensory axonal polyneuropathy. Electrophysiological abnormalities were found to persist even six months after clinical recovery in children with neurotoxicity. We found a relatively higher incidence of vincristine induced neuropathy in Indian children, which was probably due to coexistence of severe malnutrition in them.
Spontaneous, nontraumatic intracerebral hemorrhage is a significant cause of morbidity and mortality throughout the world. Acute lymphoblastic leukemia is the most common cancer diagnosed in children. According to the literature, only 6 cases of acute lymphoblastic leukemia presenting as intracerebral hemorrhage have been reported. Five out of the 6 patients were managed conservatively; 3 out of these 6 patients survived with correction of coagulopathy. Surgical intervention was performed in only 1 of the previously reported cases in which the patient could not be salvaged. We report a case of life-threatening intracerebral hemorrhage in previously undiagnosed acute T-cell lymphoblastic leukemia with blast crisis, in which the patient was salvaged from the catastrophic complication after surgical intervention.
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