Two cases of flow void sign of temporal bone metastasis from follicular thyroid carcinoma

被引：1

作者：

Iritani, Yukako ^{[1
]}

Kato, Hiroki ^{[1
,4
]}

Kaneko, Yo ^{[1
]}

Shibata, Hirofumi ^{[2
]}

Iinuma, Ryota ^{[2
]}

Ogawa, Takenori ^{[2
]}

Suzui, Natsuko ^{[3
]}

Miyazaki, Tatsuhiko ^{[3
]}

Matsuo, Masayuki ^{[1
]}

机构：

[1] Gifu Univ, Dept Radiol, Gifu, Japan

[2] Gifu Univ, Dept Otolaryngol, Gifu, Japan

[3] Gifu Univ Hosp, Dept Pathol, Gifu, Japan

[4] Gifu Univ, Dept Radiol, 1 1 Yanagido, Gifu 5011194, Japan

来源：

NEURORADIOLOGY JOURNAL | 2023年 / 36卷 / 03期

关键词：

Follicular thyroid carcinoma; temporal bone metastasis; CT; MRI; flow void; SKULL METASTASIS; TUMORS;

D O I：

10.1177/19714009221140488

中图分类号：

R445 [影像诊断学];

学科分类号：

100207 ;

摘要：

This report describes CT and MRI findings of temporal bone metastasis from follicular thyroid carcinoma in two cases. Both of these had large, osteolytic, hypervascular masses of the temporal bone, accompanied by internal scattered bone fragments and extraosseous mass formation on unenhanced and contrast-enhanced CT images. In the first case, several dilated and tortuous vessels within the markedly hypervascular mass were observed on the arterial phase of dynamic contrast-enhanced CT images. Compared with the signal intensity of the cerebellum, temporal bone masses showed slightly hypo- to slightly hyperintense on T1-weighted images and slightly hypo- to moderately hyperintense on T2-weighted images. Both cases had flow voids in abnormally dilated vessels within the mass on T1- and T2-weighted images. Thyroid follicular carcinoma rarely metastasizes the temporal bone and presents with an osteolytic hypervascular mass with flow void sign.

引用

页码：361 / 365

页数：5

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