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  • Title: [MRI features of brain metastases of lung cancer].
    Author: Ouyang H, Zhou CW, Zhang HM.
    Journal: Zhonghua Zhong Liu Za Zhi; 2004 May; 26(5):315-8. PubMed ID: 15312374.
    Abstract:
    OBJECTIVE: To report the MRI features of intracranial metastases of lung cancer. METHODS: A total of 858 patients with history of primary lung cancer suspicious of brain metastases was retrospectively reviewed with MRI. RESULTS: 1. Of the 858 patients, 393 (45.8%) had brain metastases on MRI. The primary tumor was lung adenocarcinoma in 117 (29.8%), small cell lung cancer in 110 (28.0%), squamous cell cancer in 52 (13.2%), adenosquamous cancer in 16 (4.1%), large cell carcinoma in 2 (0.5%) and carcinoid in 1 (0.3%). The histopathological types of the primary tumor were unknown in 95 (24.2%). 2. Meningeal metastasis was found in 19 patients with lung cancer. The primary tumor was of adenocarcinoma lung in 6, small cell lung cancer in 5, squamous cell carcinoma in 4 and the remaining 4 were of unknown histopathological type. 3. Edema around the lesion: in 120 cases, there was no obvious edema; the edema was slight in 98 cases, moderate in 70, serious in 86. CONCLUSION: The brain metastasis of lung cancer is of common occurrence. MRI with enhancement is very helpful in the establishment of diagnosis.
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