Prevalence and characteristics of benign cartilaginous tumours of the shoulder joint. An MRI-based study.

IF 1.9 3区医学 Q2 ORTHOPEDICS

Skeletal Radiology Pub Date : 2024-01-01 Epub Date: 2023-06-03 DOI:10.1007/s00256-023-04375-8

Johannes Nikolaus Woltsche, Maria Smolle, Dieter Szolar, Marko Bergovec, Andreas Leithner

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引用次数: 3

Abstract

Objective: Enchondromas (EC) of the shoulder joint are benign intraosseous cartilage neoplasms, with atypical cartilaginous tumours (ACT) representing their intermediate counterpart. They are usually found incidentally on clinical imaging performed for other reasons. Thus far the prevalence of ECs of the shoulder has been analysed in only one study reaching a figure of 2.1%.

Materials and methods: The aim of the current study was to validate this number via retrospective analysis of a 45 times larger, uniform cohort consisting of 21.550 patients who had received an MRI of the shoulder at a single radiologic centre over a time span of 13.2 years.

Results: Ninety-three of 21.550 patients presented with at least one cartilaginous tumour. Four patients showed two lesions at the same time resulting in a total number of 97 cartilage tumours (89 ECs [91.8%], 8 ACTs [8.2%]). Based on the 93 patients, the overall prevalence was 0.39% for ECs and 0.04% for ACTs. Mean size of the 97 ECs/ACTs was 2.3 ± 1.5 cm; most neoplasms were located in the proximal humerus (96.9%), in the metaphysis (60.8%) and peripherally (56.7%). Of all lesions, 94 tumours (96.9%) were located in the humerus and 3 (3.1%) in the scapula.

Conclusion: Frequency of EC/ACT of the shoulder joint appears to have been overestimated, with the current study revealing a prevalence of 0.43%.

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肩关节良性软骨肿瘤的发病率和特点。一项基于核磁共振成像的研究。

目的:肩关节内软骨瘤(EC)是一种良性骨内软骨肿瘤，非典型软骨瘤(ACT)代表了它们的中间对应物。由于其他原因，它们通常在临床影像学上偶然发现。到目前为止，只有一项研究分析了肩部ECs的患病率，达到了2.1%。材料和方法:当前研究的目的是通过对一个45倍大的统一队列的回顾性分析来验证这一数字，该队列由21.550名患者组成，这些患者在13.2年的时间跨度内在一个放射中心接受了肩部MRI检查。结果:21.550例患者中93例至少有一个软骨肿瘤。4例患者同时出现2个病变，共97个软骨肿瘤(ECs 89例[91.8%]，ACTs 8例[8.2%])。在93例患者中，ECs的总患病率为0.39%，ACTs的总患病率为0.04%。97例ECs/ACTs平均大小为2.3±1.5 cm;大多数肿瘤位于肱骨近端(96.9%)、干骺端(60.8%)和周围(56.7%)。在所有病变中，94例(96.9%)肿瘤位于肱骨，3例(3.1%)位于肩胛骨。结论:肩关节EC/ACT的频率似乎被高估了，目前的研究显示患病率为0.43%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Skeletal Radiology 医学-核医学

CiteScore

4.40

自引率

9.50%

发文量

253

审稿时长

3-8 weeks

期刊介绍： Skeletal Radiology provides a forum for the dissemination of current knowledge and information dealing with disorders of the musculoskeletal system including the spine. While emphasizing the radiological aspects of the many varied skeletal abnormalities, the journal also adopts an interdisciplinary approach, reflecting the membership of the International Skeletal Society. Thus, the anatomical, pathological, physiological, clinical, metabolic and epidemiological aspects of the many entities affecting the skeleton receive appropriate consideration. This is the Journal of the International Skeletal Society and the Official Journal of the Society of Skeletal Radiology and the Australasian Musculoskelelal Imaging Group.