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Papers of the Week


2017


Int J Clin Exp Pathol


10


8

Extracranial metastasis of anaplastic oligoastrocytoma: a case report and review of the literature.

Authors

Wu Y, Zhang G, Zhang J, Zhang L, Wu Z
Int J Clin Exp Pathol. 2017; 10(8):8768-8772.
PMID: 31966740.

Abstract

Glioblastoma multiforme (GBM) is the most common and aggressive primary intracranial tumor. The tumor metastases outside the CNS are rare, so therapeutic experience with these types of tumors is limited. We present a case of a 20-year-old female with a history of left temporal anaplastic oligoastrocytoma, who was found to have biopsy proven metastases tothe lung. In April 2014, the patient presented with intermittent headache for 4 months. Physical examinations confirmed no obvious abnormalities. Computed tomography (CT) scan and magnetic resonance image (MRI) scan of the brain showed a large mass with ring-like enhancement in left temporal lobe. She underwent craniotomy to resect the intracranial tumor. Thepathological investigation showed the lesion to be a classical anaplastic oligoastrocytoma with focal necrosis and a Ki-67 labeling index of 10-30%. After operation, the patient received radiotherapy and chemotherapy. Two years later, the patient readmitted due to chest discomfort, a chest X-ray and CT showed a mass in the right lung. The lesion was confirmed to be a metastatic malignant glioma viapulmonary bronchoscopy biopsy. In conclusion, as the life expectancy is gradually increasing for GBM patients with newer therapies, the incidence of extracranial metastases may increase and this rare phenomenon may become more common and clinically relevant.