False-Negative MRI Findings for Leptomeningeal Metastases with Use of Bevacizumab
نویسندگان
چکیده
منابع مشابه
Medulloblastoma with leptomeningeal metastases.
A 27-month-old previously healthy boy was brought to the hospital presenting with signs of raised intracranial pressure including vomiting, irritability, adducted right eye, and fever. Urgent magnetic resonance imaging (MRI) of the brain showed a small T1and T2-weighted isointense nodule (Fig 1), which enhanced avidly over the right lateral aspect of the fourth ventricle after intravenous contr...
متن کاملLeptomeningeal Metastases
1. Carcinomatous meningitis (metastases caused by carcinoma such as lung and breast) 2. Meningeal gliomatosis (dissemination of CSF caused by malignant glial tumors) 3. Leptomeningeal metastases secondary to other underlying solid tumors (e.g., rhabdomyosarcoma, neuroblastoma, medulloblastoma, other primitive neuroectodermal tumors) 4. Lymphomatous meningitis (metastases caused by lymphoma) 5. ...
متن کاملTreatment modalities for leptomeningeal metastases.
Secondary involvement of the leptomeninges represents an infrequent but devastating (and nearly always fatal) complication of solid tumors, hematologic malignancies (both leukemia and lymphoma), and primary brain tumors. Clinical suspicion of neoplastic meningitis (NM) may be raised by the appearance of multivariate neurological symptoms; however, a definitive diagnosis is often difficult to ob...
متن کاملLeptomeningeal metastases in pineoblastoma.
To cite: Sandip S, Das CJ, Khandelwal RK. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015210343 DESCRIPTION Pineoblastoma is one of the pineal parenchymal tumours, which are rare tumours and account for approximately 15% of all tumours found in the pineal region. They are malignant tumours that infiltrate the adjacent structures by direct invasion and tend to...
متن کاملPancreatic metastases: CT and MRI findings.
PURPOSE The pancreas is an unusual but occasionally favored site for metastases in patients with advanced malignancy. The pivotal role of computed tomography (CT) and magnetic resonance imaging (MRI) examination in detecting the pancreatic mass and providing guidance to obtain a definitive tissue diagnosis is emphasized in this study. MATERIALS AND METHODS Eleven patients with pancreatic meta...
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ژورنال
عنوان ژورنال: Journal of Thoracic Oncology
سال: 2017
ISSN: 1556-0864
DOI: 10.1016/j.jtho.2016.09.126