Wimpfheimer O, Haramati L B, Haramati N
Department of Radiology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
J Comput Assist Tomogr. 1996 Jan-Feb;20(1):34-7. doi: 10.1097/00004728-199601000-00007.
The present study describes the frequency and pattern of ligamentum arteriosum calcification seen on chest CT in adults.
We retrospectively reviewed 402 sequential unenhanced chest CT studies for ligamentum arteriosum calcification, atherosclerotic cardiac or aortic calcification, and granulomatous calcification. The pattern of calcification was characterized as curvilinear, punctate, or clumped.
Mean patient age was 60 (+/- 18, range 18-97) years with 214 women (53%) and 188 men (47%). Of these patients 194 (48%) had calcification in the ligamentum arteriosum including 26 (6%) with calcification in the ligamentum arteriosum alone, 108 (27%) with atherosclerotic calcification, 11 (3%) with granulomatous calcification, and 49 (12%) with both. A total of 100 patients (25%) had no calcifications. In the study population 169 patients (42%) had atherosclerotic calcification, 32 (8%) had granulomatous calcification, and 75 (19%) had both. The patterns of calcification for the 26 patients with calcification of the ligamentum arteriosum alone were curvilinear (7 patients, 27%), punctate (17 patients, 65%), and clumped (2 patients, 8%). The pattern of ligamentum arteriosum calcification for the 108 patients with only atherosclerotic and ligamentum arteriosum calcification was curvilinear (28 patients, 26%), punctate (32 patients, 30%), and clumped (48 patients, 44%). The patients without any calcifications and the patients with ligamentum arteriosum calcification formed one group (based on their similarity in age, mean 47 years) with a prevalence of ligamentum arteriosum calcification of 21%. The patients with atherosclerotic and ligamentum arteriosum calcification formed a second group (mean age 71 years) with a prevalence of ligamentum arteriosum calcification of 65%.
On unenhanced chest CT calcification of the ligamentum arteriosum is a common finding in adults and increases in prevalence with increasing age and atherosclerosis.
本研究描述了成人胸部CT上动脉韧带钙化的频率和模式。
我们回顾性分析了402例连续的胸部CT平扫研究，观察动脉韧带钙化、心脏或主动脉粥样硬化钙化以及肉芽肿性钙化情况。钙化模式分为曲线状、点状或团块状。
患者平均年龄为60（±18，范围18 - 97）岁，其中女性214例（53%），男性188例（47%）。这些患者中，194例（48%）存在动脉韧带钙化，其中仅动脉韧带钙化26例（6%），合并动脉粥样硬化钙化108例（27%），合并肉芽肿性钙化11例（3%），两者皆有49例（12%）。共有100例患者（25%）无钙化。在研究人群中，169例（42%）有动脉粥样硬化钙化，32例（8%）有肉芽肿性钙化，75例（19%）两者皆有。仅动脉韧带钙化的26例患者中，钙化模式为曲线状7例（27%）、点状17例（65%）、团块状2例（8%）。仅合并动脉粥样硬化和动脉韧带钙化的108例患者中，动脉韧带钙化模式为曲线状28例（26%）、点状32例（30%）、团块状48例（44%）。无任何钙化的患者和有动脉韧带钙化的患者形成一组（基于年龄相似性，平均47岁），动脉韧带钙化患病率为21%。合并动脉粥样硬化和动脉韧带钙化的患者形成第二组（平均年龄71岁），动脉韧带钙化患病率为65%。
胸部CT平扫时，动脉韧带钙化在成人中是常见表现，并随年龄增长和动脉粥样硬化患病率增加。
