Orbital tumors in children: CT and MR features

      The purpose of the article is to review the computed tomographic (CT) and magnetic resonance imaging (MRI) features of orbital tumors in children. Tumors in children are usually different than those in adults. Clinical symptoms are usually nonspecific. Clinical examination combined with ultrasound (US) may be sufficient for diagnosis and follow-up of benign and superficial lesions. CT and/or MRI are needed for deep or malignant lesions. CT and/or MRI are needed for deep or malignant lesions. CT is valuable for osseous and/or calcified lesions. MR is advantageous because of its superior spatial resolution and nonionizing nature. Malignant tumors correspond to about 20% of lesions and include primary tumors (retinoblastoma, rhabdomyosarcoma) and metastases. Benign pathology is more frequent (80%) with dermoid cyst corresponding to about 50% of orbital masses.
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