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논문 기본 정보

자료유형
학술저널
저자정보
강성현 (Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea) 박현진 (국립암센터) 현재원 (국립암센터) 곽호신 (National Cancer Center)
저널정보
대한뇌종양학회 Brain Tumor Research and Treatment Brain Tumor Research and Treatment Vol.12 No.1
발행연도
2024.1
수록면
58 - 62 (5page)

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Differential diagnosis of focal brainstem lesions detected on MRI is challenging, especially in young children. Formerly, brainstem gliomas were classified mainly based on MRI features and location. How- ever, since 2016, the World Health Organization’s brainstem lesion classification requires tissue biopsy to reveal molecular characteristics. Although modern techniques of stereotactic or navigation-guided biopsy ensure accurate biopsy of the lesion with safety, biopsy of brainstem lesions is still generally not performed. Here, we report a focal brainstem lesion mimicking brainstem glioma in a 9-year-old girl. Initial MRI, MR spectroscopy, and 11C-methionine positron emission tomography (PET) features sug- gested low-grade glioma or diffuse intrinsic pontine glioma. However, repeated MR spectroscopy, per- fusion MRI, and 18fluorodeoxyglucose PET findings suggested that it was more likely a non-tumorous lesion. As the patient presented not with a neurological manifestation but with precocious puberty, the attending oncologist chose to observe with regular follow-up MRI. The pontine lesion with high signal intensity on T2-weighted MRI regressed from the 6-month follow-up and became invisible on the 1.5- year follow-up MRI. We reviewed brainstem glioma–mimicking lesions in the literature and discussed the key points of differential diagnosis.

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