| 王嫚,孙嘉忆,赵婧含,苗延巍.T2WI池征鉴别单发脑转移瘤与肿块型高级别胶质瘤[J].中国医学影像技术,2025,41(9):1494~1497 |
| T2WI池征鉴别单发脑转移瘤与肿块型高级别胶质瘤 |
| Pool sign on T2WI for differentiating solitary brain metastasis from mass type high grade glioma |
| 投稿时间：2025-03-01 修订日期：2025-07-24 |
| DOI：10.13929/j.issn.1003-3289.2025.09.008 |
| 中文关键词: 脑肿瘤|肿瘤转移|胶质瘤|磁共振成像 |
| 英文关键词:brain neoplasms|neoplasm metastasis|glioma|magnetic resonance imaging |
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| 中文摘要: |
| 目的 观察T2WI池征鉴别单发脑转移瘤(SBM)与单发肿块型高级别胶质瘤(HGG)的价值。方法 回顾性收集经术后病理或临床随访证实的120例SBM(SBM组)及184例单发肿块型HGG(HGG组),比较组间池征出现率,分析池征的鉴别诊断效能。结果 SBM组37例(37/120,30.83%)、HGG组9例(9/184,4.89%)可见池征,SBM组池征出现率高于HGG组(χ2=38.063,P＜0.001)。以池征鉴别SBM与单发肿块型HGG的敏感度、特异度、阳性预测值及阴性预测值分别为30.83%(37/120)、95.11%(175/184)、80.43%(37/46)及67.83%(175/258)。SBM组原发肿瘤为腺癌、鳞状细胞癌及神经内分泌癌者池征出现率分别为40.79%(31/76)、16.67%(3/18)及12.50%(3/24),差异有统计学意义(χ2=8.911,P=0.012);两两比较,腺癌与神经内分泌癌SBM池征出现率差异有统计学意义(χ2=6.505,P=0.011)。结论 T2WI显示池征有助于鉴别SBM、尤其是腺癌SBM与单发肿块型HGG。 |
| 英文摘要: |
| Objective To observe the value of pool sign on T2WI for differentiating solitary brain metastasis (SBM) from solitary mass type high grade glioma (HGG). Methods Totally 120 patients with SBM (SBM group) and 184 patients with solitary mass type HGG (HGG group) confirmed by postoperative pathology or clinical follow-up were retrospectively enrolled. The incidence of pool sign were compared between groups, and the efficacy of pool sign for differentiating SBM from solitary mass type HGG was analyzed. Results Pool sign was noticed in 37 cases (37/120, 30.83%) in SBM group and 9 cases (9/184, 4.89%) in HGG group, the incidence of pool sign in SBM group was higher than that in HGG group (χ2=38.063, P＜0.001). The sensitivity, specificity, positive predictive value and negative predictive value of pool sign for differentiating SBM and solitary mass type HGG was 30.83% (37/120), 95.11% (175/184), 80.43% (37/46) and 67.83% (175/258), respectively. In SBM group, the incidence of pool sign in cases with primary tumor of adenocarcinoma, squamous cell carcinoma and neuroendocrine carcinoma was 40.79% (31/76), 16.67% (3/18) and 12.50% (3/24), respectively, with significant difference (χ2=8.911, P=0.012), while compared pairwisely showed significant difference between SBM of adenocarcinoma and neuroendocrine carcinoma (χ2=6.505, P=0.011). Conclusion The pool sign on T2WI was helpful for differentiating SBM, especially SBM of adenocarcinoma from solitary mass type HGG. |
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