原发性甲状腺功能低下症中垂体过度增生的放射性演变及其与与原发性甲状腺功能低下症共存的非功能性垂体腺瘤的差异化
Siddu Nikith1, Brijesh Krishnappa2, Shilpa Lakkundi3
1Department of Endocrinology, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, India.
Endocrine
|August 8, 2024
概括
区分甲状腺扩大与高TSH是关键. 隔离性垂体过度增生 (IPH) 显示了特定的MRI特征,并且与levothyroxine回归,与非功能性垂体腺瘤 (PHCNFPA) 不一样.
科学领域:
- 内分泌学 在内分泌学.
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
背景情况:
- 甲状腺刺激激素 (TSH) 与细胞质量升高需要区分隔离性垂体过度增生 (IPH) 与非功能性垂体腺瘤 (PHCNFPA) 的原发性甲状腺功能低下症.
- 准确的手术前区分至关重要,以防止IPH不必要的手术.
研究的目的:
- 在显著增加TSH (>50μIU/ml) 和细胞质量患者中确定IPH和PHCNFPA之间的区别特征.
- 描述IPH和PHCNFPA的放射性演变和独特特征.
主要方法:
- 在第三级护理中心对患者记录的回顾性审查 (2020年1月 - 2022年12月).
- 分析人口统计数据,临床症状,甲状腺功能测试,垂体激素水平和MRI发现.
- 根据最终诊断,将患者分为PHCNFPA和IPH组.
主要成果:
- PHCNFPA患者年龄较大 (中位数为37岁与21岁),并患有较大的垂体病变,频繁出现皮质otropin 缺乏和视野缺陷.
- IPH呈现出较长的甲状腺功能低下症状和特征性垂体扩大 (身高增加,对称的乳头,圆顶或帐形状).
- IPH显示了同强度T1/T2MRI信号,同质增强和levothyroxine的病变回归;PHCNFPA具有异质增强,囊性变化和显著的入侵 (≥Knosp III).
结论:
- 显著的放射性特征有助于在TSH和细胞质量升高的患者中区分IPH和PHCNFPA.
- IPH表现出特定的MRI特征,并对levothyroxine疗法作出反应,与PHCNFPA形成鲜明对比.
- 这项研究为放射性演变和这两种疾病的特征提供了宝贵的见解.
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