Results: (1) Osseous PNET originated from embryonic migrating cells of neural crest.
结果：(1)骨原始神经外胚层肿瘤来源于神经嵴的胚胎迁移细胞。
The aim of the study was to assess whether aggressive pancreatic resection is justifiable for patients with PNET.
本研究的目的是评估扩大胰腺切除术是否适用于患PNET的病人。
The aim of the study was to assess whether aggressie pancreatic resection is justifiable for patients with PNET .
本研究的目的是评估扩大胰腺切除术是否适用于患PNET 的病人。
Objective To study the pathological characteristics of primitive neuroectodermal tumor(PNET) of bone and soft tissue.
目的探讨原始神经外胚层瘤（PNET）的病理学特点及其临床意义。
In patients with malignant PNET, metastatic recurrence is not uncommon and will usually require additional multimodality therapy.
在患恶性pnet的病人中，转移性复发并不少见，此时通常需要多学科综合治疗。
Methods MRI manifestations of 9 PNET diagnosed via operation and pathological examination were analyzed. There were 6 men and 3 women, and the mean age was 32.6 years.
方法分析经手术病理证实的9例原始神经外胚层肿瘤的MRI表现，其中男6例，女3例，平均年龄32 6岁。
It is suggested that the reliability index of each individual mechanism be calculated in generalized stochastic space, and then structural system reliability be calculated in terms of PNET.
采用在广义随机空间内计算各机构可靠指标，然后利用PNET法计算结构体系可靠度，计算简便，精度也满足要求。
The investigators concluded that in patients with medulloblastomas or PNET who had been treated with irradiation and high-dose radiation, WMLs are typically short-lived and do not cause symptoms.
研究者总结说：小脑幕上原始神经外胚瘤与成神经管细胞瘤的患者接受放疗和大剂量化疗后，脑白质损伤通常短期存在，并不产生症状。
The investigators concluded that in patients with medulloblastomas or PNET who had been treated with irradiation and high-dose radiation, WMLs are typically short-lived and do not cause symptoms.
研究者总结说：小脑幕上原始神经外胚瘤与成神经管细胞瘤的患者接受放疗和大剂量化疗后，脑白质损伤通常短期存在，并不产生症状。
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