Abstract
The clinical characteristics and cerebrospinal fluid (CSF) cytological features of 34 hospitalized patients with leptomeningeal carcinomatosis (LC) were studied. Most patients presented with signs of meningeal irritation (19 cases) and intra-cranial hypertension (23 cases). Computed tomography (CT) and/or magnetic resonance imaging (MRI) revealed brain parenchymal lesions, hydrocephalus and leptomeningeal enhancement (nine, six and eight cases, respectively). The CSF changes included high opening pressure (21 cases), increased white blood cell count (23 cases), elevated protein levels (25 cases) and low glucose levels (17 cases). Malignant cells were found in all CSF specimens and 32 cases had malignant cells in their initial CSF examinations. High serum levels of carcinoembryonic antigen (CEA) occurred in 11 patients. Signs of meningeal irritation and intra-cranial hypertension were common. It is concluded that serum CEA measurement along with CT and MRI scanning are helpful in the diagnosis of LC. Crucially, however, CSF cytology could be the most important technique for the diagnosis of LC.
Published Version
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