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Bulletin of Alexandria Faculty of Medicine. 2006; 42 (3): 735-756
en Inglés | IMEMR | ID: emr-172798

RESUMEN

To compare between the role of CT and MRI in diagnosis of neoplastic orbital lesions. The study included 126 patients proved to have orbital neoplasm and were subjected to CT and MRI. The study included. 59 males and 67 females with age ranged from 12 days to 91 years. The orbital lesions were bilateral in 16 patients. The lesions were distributed according to their location in one or more of the five orbital compartments including optic nerve, globe, conal intraconal, extra-conal and preseptal space. The most frequent encountered lesion was lymphoma followed by following order: uveal melanoma, optic nerve glioma, juxtaorbital meningioma, retinoblastoma, optic nerve meningioma, rhabdomyosarcoma, metastases, pleomorphic carcinoma, leukemia, aneurysmal bone cyst, schwannoma, neurofibroma, capillary hemangioma, basal cell fibroma, lacrimal gland carcinoma, malignant fibrous histiocytoma, malignant teratoma, osteoma, assifying fibroma and esthesioneuroblastoma. CT assessed the attenuation values of the lesion, presence of enhancement, bony changes and calc/lcations. MRJ assessed signal changes on T1 and T2WI and enhancement. CT and MRI are complimentary studies for imaging of orbital neoplasm


Asunto(s)
Humanos , Masculino , Femenino , Tomografía Computarizada por Rayos X/métodos , Imagen por Resonancia Magnética/métodos , Neoplasias Orbitales/diagnóstico
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