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Clinical, radiological, and pathological features of 16 papillary glioneuronal tumors

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机构: [1]Capital Med Univ, Dept Neurosurg, Beijing Tiantan Hosp, Beijing 100050, Peoples R China; [2]Beijing Neurosurg Inst, Dept Neuropathol, Beijing, Peoples R China; [3]Capital Med Univ, Dept Neurosurg, Beijing Tiantan Hosp, Tiantan Xili 6, Beijing 100050, Peoples R China
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关键词: Central nervous system Papillary glioneuronal tumor Pathology Radiology

摘要:
Papillary glioneuronal tumors (PGNTs) are a novel distinct intracranial neoplastic entity. In this study, the authors aimed to analyze the clinical, radiological, and pathological features of PGNT. Clinical charts and radiographs of 16 cases of PGNT surgically treated between 2006 and 2013 were retrospectively reviewed. Follow-up evaluations and a literature review were performed. The study included nine males and seven females with a mean age of 23.8 years. The most common preoperative symptom was headache (68.8 %, 11 of 16 patients). Radiological results showed that the frontal lobe (25.0 %) was the most common portion of the brain involved, and 13 lesions (81.3 %) presented with cystic appearance with or without solid elements. All patients were misdiagnosed as non-PGNT tumors. Complete resection was achieved in 12 patients (75.0 %). Ki67 staining was positive in < 1 % of cells present in eight lesions and varied in the other eight lesions, with a range of 1 % to 13 %. The mean follow-up duration was 56.2 months, and no recurrence was observed. Seventy-seven PGNTs (40 males, 51.9 %) have been reported, and 49 patients stained positive for Ki67/MIB-1. Of these cases, 28 (57.1 %) had positive staining rates of a parts per thousand yen1 %. In 51 patients for whom outcome information was available, six (11.8 %) exhibited recurrence, and the recurrence rates for complete resection and incomplete resection were 5.1 % and 33.3 %, respectively. PGNTs displayed a wide spectrum of clinical and radiological phenotypes, and they were more frequently observed in the frontal lobe and in young patients without sex predilection. Fair outcomes could be achieved by complete resection. Although PGNT displayed indolent pathobiology, atypical appearances were observed. More patients and longer follow-up periods are needed to further elucidate the biological features of PGNTs.

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出版当年[2013]版:
大类 | 4 区 医学
小类 | 3 区 外科 4 区 临床神经病学
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 外科 4 区 临床神经病学
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出版当年[2012]版:
Q2 SURGERY Q3 CLINICAL NEUROLOGY
最新[2023]版:
Q2 SURGERY Q3 CLINICAL NEUROLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2012版] 出版当年五年平均 出版前一年[2011版] 出版后一年[2013版]

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第一作者机构: [1]Capital Med Univ, Dept Neurosurg, Beijing Tiantan Hosp, Beijing 100050, Peoples R China;
通讯作者:
通讯机构: [1]Capital Med Univ, Dept Neurosurg, Beijing Tiantan Hosp, Beijing 100050, Peoples R China; [3]Capital Med Univ, Dept Neurosurg, Beijing Tiantan Hosp, Tiantan Xili 6, Beijing 100050, Peoples R China
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