Journal
JOURNAL OF PEDIATRIC HEMATOLOGY ONCOLOGY
Volume 30, Issue 3, Pages 222-224Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MPH.0b013e318162bd6a
Keywords
optic pathway/hypothalamic gliomas; children; survival; chemotherapy
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The aim of this study was to present our 17-year experience (1989 to 2006) in the treatment of optic pathway/ hypothalamic gliomas (OPHG) in 18 children younger than 17 years (median age, 66mo). Only 2 of these had evidence of neurofibromatosis-1. OPHG was diagnosed using computed tomography and/or magnetic resonance imaging. Histologic studies showed low-grade astrocytoma (WHO grade I or II) in 16 cases, anaplastic astrocytoma in 1, and oligoastrocytoma (WHO grade III) in 1. Treatment included partial tumor resection in 12 patients, chemotherapy in 5, and radiotherapy in 3. Ophthalmologic and visual alterations occurred in 12 patients, endocrine alterations in 6, and neurologic signs in 5. All treatment modalities led to tumor shrinkage and stabilization for a variable period, but none of them totally eradicated the tumor. Fourteen (78%) of 18 patients had a sustained reduction of tumor size between 6 months and 17 years. The 5-year overall and progression-free survival rates were 80.0% and 63.3%, respectively. Fifty-six percent of patients had endocrinologic sequelae, with growth hormone deficiency being the most common. Two patients died, none with neurofibromatosis-1, with a hypothalamic/chiasmatic tumor with suprasellar extension and accompanying electrolyte abnormalities. Because progression of these tumors is slow and associated with endocrinopathy, we recommend chemotherapy as a primary treatment of OPHG if the disease progresses.
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