Characterization of Elastofibroma Dorsi with 18FDG PET/CT: a retrospective study

Revista Espa?ola de Medicina Nuclear (English Edition) Pub Date : 2011-11-01 DOI:10.1016/j.remngl.2011.01.002

Y. Blumenkrantz, G.L. Bruno, C.J. González, M. Namías, A.R. Osorio, P. Parma

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Abstract

Elastofibroma dorsi has been described in the literature as an unusual tumor or pseudotumor. However, autopsies and imaging studies have revealed that it is a non-negligible finding.

Purpose

The aim of this study has been to illustrate and become familiar with this type of lesion in order to prevent misdiagnosis.

Materials and methods

From 3 December 2008 to 5 January 2010, 1,751 patients were evaluated with ¹⁸FDG-PET/CT. Of these, 29 cases of elastofibroma dorsi were recorded as an incidental finding. A retrospective and descriptive analysis was performed on this study series.

Results

The study showed a prevalence of 1.66%. Out of the 29 findings, 22 (75.86%) were females and 7 (24.14%) males. Seventeen (58.62%) cases were bilateral, 12 (41.38%) unilateral and the SUVmax ranged from 1.4 to 3.2. These lesions were reported as soft tissue density images with mild or moderate diffuse metabolic activity.

Conclusion

The elastofibroma dorsi is a relatively common finding in PET/CT that should be known in order to avoid making wrong diagnoses.

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背弹性纤维瘤的18FDG PET/CT特征:回顾性研究

背弹性纤维瘤在文献中被描述为一种不寻常的肿瘤或假瘤。然而，尸检和影像学研究表明，这是一个不可忽视的发现。目的本研究的目的是为了说明和熟悉这种类型的病变，以防止误诊。材料与方法2008年12月3日至2010年1月5日，对1751例患者进行了18FDG-PET/CT检查。其中29例为偶然发现的背弹性纤维瘤。对该研究系列进行回顾性和描述性分析。结果本组患病率为1.66%。其中女性22例(75.86%)，男性7例(24.14%)。双侧17例(58.62%)，单侧12例(41.38%)，SUVmax在1.4 ~ 3.2之间。这些病变报告为软组织密度图像，伴有轻度或中度弥漫性代谢活动。结论背弹性纤维瘤是PET/CT较为常见的表现，应了解其特点，避免误诊。

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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Revista Espa?ola de Medicina Nuclear (English Edition)

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