多结节和空泡神经元肿瘤与胚胎发育异常神经上皮肿瘤的MRI鉴别。

IF 1 4区 医学 Q2 MEDICINE, GENERAL & INTERNAL
Turkish Journal of Medical Sciences Pub Date : 2024-12-30 eCollection Date: 2025-01-01 DOI:10.55730/1300-0144.5988
Burcu Gül, Bora Korkmazer, Ahmet Kürşat Karaman, Esra Koçhan Kizilkiliç, Mahmut Esat Aykan, Çiğdem Özkara, Nil Çomunoğlu, Cihan Işler, Serdar Arslan, Osman Kizilkiliç
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引用次数: 0

摘要

背景/目的:比较多结节和空泡性神经细胞肿瘤(MVNT)和胚胎发育异常神经上皮肿瘤(DNET)的MRI表现和临床特点,揭示两者的区别。材料与方法:收集2018年至2022年间疑似MRI诊断为MVNT的患者。此外,经组织病理学检查诊断为DNET并在同一时间段进行mri检查的患者也被纳入研究。对每位患者的MRI表现和临床特征进行评估。结果:MVNT组21例,DNET组20例。头痛是MVNTs患者最常见的症状(61.9%),而癫痫发作在DNETs患者中更为普遍(70%)。mvnt最常见的位置是额叶和顶叶(66.6%),而DNETs最常见的位置是颞叶(60%)。所有mvnt在流体衰减反转恢复(FLAIR)和t2加权成像(T2WI)中均呈高信号。T2WI显示所有DNETs均呈高信号。然而,在FLAIR上,7个(35%)的DNET病变呈高信号,而其余13个病变呈混合信号强度形成泡状外观。21例mvnt中有20例(95.23%)呈弥散加权成像(DWI)高信号(b800),病变内无明显弥散系数低信号。DWI未见DNETs呈高信号。结论:MRI的表现,特别是FLAIR和DWI的表现,可能有助于区分mvnt和DNETs,特别是在鉴别诊断具有挑战性的情况下。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Differentiation of multinodular and vacuolating neuronal tumor and dysembryoplastic neuroepithelial tumor based on MRI.

Differentiation of multinodular and vacuolating neuronal tumor and dysembryoplastic neuroepithelial tumor based on MRI.

Differentiation of multinodular and vacuolating neuronal tumor and dysembryoplastic neuroepithelial tumor based on MRI.

Background/aim: To compare the MRI findings and clinical features of multinodular and vacuolating neuronal tumor (MVNT) and dysembryoplastic neuroepithelial tumor (DNET), and reveal the distinguishing features of these tumors from each other.

Materials and methods: Patients with a suspected magnetic resonance imaging (MRI)-based diagnosis of MVNT between 2018 and 2022 were collected from the hospital database. In addition, patients diagnosed with DNET on histopathological examination and who had MRIs in the same time period were included in the study. The MRI findings and clinical features were evaluated for each patient.

Results: There were 21 patients in the MVNT group and 20 patients in the DNET group. Headache was the most common symptom in patients with MVNTs (61.9%), whereas seizures were more prevalent in those with DNETs (70%). The most frequent locations for the MVNTs were the frontal and parietal lobes (66.6%), while DNETs were most commonly located in the temporal lobe (60%). All the MVNTs were hyperintense in both fluid-attenuated inversion recovery (FLAIR) and T2-weighted imaging (T2WI). All the DNETs were hyperintense on T2WI. However, on FLAIR, seven (35%) of the DNET lesions were hyperintense, while the remaining 13 lesions showed mixed signal intensity forming a bubbly appearance. Moreover, 20 of 21 (95.23%) MVNTs were hyperintense on diffusion-weighted imaging (DWI) (b800), with no apparent diffusion coefficient hypointensity in the lesions. None of the DNETs showed hyperintensity on DWI.

Conclusion: MRI findings, particularly those observed on FLAIR and DWI, may be helpful for distinguishing between MVNTs and DNETs, especially in cases where the differential diagnosis is challenging.

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来源期刊
Turkish Journal of Medical Sciences
Turkish Journal of Medical Sciences 医学-医学:内科
CiteScore
4.60
自引率
4.30%
发文量
143
审稿时长
3-8 weeks
期刊介绍: Turkish Journal of Medical sciences is a peer-reviewed comprehensive resource that provides critical up-to-date information on the broad spectrum of general medical sciences. The Journal intended to publish original medical scientific papers regarding the priority based on the prominence, significance, and timeliness of the findings. However since the audience of the Journal is not limited to any subspeciality in a wide variety of medical disciplines, the papers focusing on the technical  details of a given medical  subspeciality may not be evaluated for publication.
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