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CEASF<br />

8918<br />

CARD<br />

82491<br />

Carcinoembryonic Antigen (CEA), Spinal Fluid<br />

Clinical Information: Carcinoembryonic antigen (CEA) normally is present in cerebrospinal fluid<br />

(CSF) in very low concentrations. Elevations in serum CEA can cause passive transfer to CSF. Tumors of<br />

the brain, especially metastatic tumors, can elevate CSF CEA.<br />

Useful For: Detecting meningeal carcinomatosis, intradural or extradural infiltration, or brain<br />

parenchymal metastasis from adenocarcinoma or squamous-cell carcinoma<br />

Interpretation: Increased values are seen in approximately 60% of patients with meningeal<br />

carcinomatosis.<br />

Reference Values:<br />

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