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标题:Antibody-positive paraneoplastic neurologic syndromes: value of CT and PET for tumor diagnosis.
时间:2020-01-15 12:18:08
DOI:10.1212/01.wnl.0000129983.06983.4e
PMID:15277621
作者:Rainer Linke;Mira Schroeder;Thomas Helmberger
关键词:CSF leakage;MRI;organic bipolar disorder
出版源: 《Neurology》 ,2004 ,63 (2) :282-286
摘要:Objective: To assess use of whole body 18F fluoro 2 deoxyglucose (FDG) PET and CT for diagnosing tumor in patients with antibody positive paraneoplastic neurologic syndromes (PNS). Methods: In order to directly compare CT and FDGPET imaging in patients with various antineuronal antibodies, the authors performed in parallel CT scanning and FDG PET in a series of 13 consecutive patients (9 women, 4 men, aged 59 ± 14 years) with positive antineuronal antibodies (anti Hu: 8, anti Yo: 4, anti Tr: 1) in whom the authors were searching for a tumor or tumor recurrence. Results: A new tumor or tumor recurrence was found in 10/13 patients (5 small cell lung cancer, 2 ovarian cancer, and 1 each neuroblastoma, Hodgkin’ s lymphoma, and lymph node metastasis of adenocarcinoma). All tumors except one with good clinical evidence for small cell lung cancer were confirmed histologically. For detection of tumor or tumor recurrence, CT was positive in 3/10 patients (sensitivity of 30% ), and FDG PET in 9/10 (sensitivity of 90% , difference between methods p 0.01), but the combination of both methods showed a sensitivity of 100% . Conclusions: FDG PET imaging is useful in tumor screening of patients with antineuronal antibodies, but should be complemented by CT scanning to increase sensitivity and accuracy of tumor dia gnosis.
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