A rare case of diffuse thickening of the cervical dura mater leading to cord compression in Maroteaux-Lamy syndrome (mucopolysaccharidosis VI) is reported. Spinal computed tomographic scans after intrathecal metrizamide injection and magnetic resonance images are shown. This condition presents as cervical myelopathy. Early decompression can be beneficial for patients with this infrequent metabolic disorder.
Metastatic tumors in the choroid plexus are generally considered to be very rare. The authors present a case of lung large cell carcinoma with a single metastatic tumor in the choroid plexus of the lateral ven tricle trigone. Precontrast computed tomographic (CT) scans showed an isodensity mass with exten sive peritumoral edema, which was considerably enhanced on the postcontrast CT scans. Magnetic resonance (MR) images demonstrated the mass as a low-intensity area on the T,-weighted image and an iso-intensity area on the T2-weighted image. The tumor was clearly differentiated from the peritu moral edema by both CT and MR imaging. The diagnosis was confirmed by surgery.
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