Int J Thyroidol.  2017 Nov;10(2):114-117. 10.11106/ijt.2017.10.2.114.

A Case of Pseudoaneurysm of the Superior Thyroid Artery after Core Needle Biopsy

• Chun MS
• Lee SJ
• Kim HS
• Jung SY

• KMID: 2396816
• DOI: http://doi.org/10.11106/ijt.2017.10.2.114

Abstract

A pseudoaneurysm is a collection of blood that locates between the two outer layers of an artery, the muscularis propria and the adventitia. It is resulted from disruption of a portion of the arterial wall. A pseudoaneurysm can be caused by trauma, blood vessel intervention, intravenous drug use, vasculitis, infectious aneurysm, and postoperative anastomotic leakage. The pseudoaneurysm of superior thyroid artery after core needle biopsy is rare. We report a case of pseudoaneurysm caused by thyroid core needle biopsy and treated by surgical treatment.

Keyword

Pseudoaneurysm; Core needle biopsy; Superior thyroid artery

MeSH Terms

Adventitia
Anastomotic Leak
Aneurysm
Aneurysm, False*
Arteries*
Biopsy, Large-Core Needle*
Blood Vessels
Thyroid Gland*
Vasculitis

Figure

• 

  Fig. 1 The radiologic finding of the pseudoaneurysm (computed tomography). (A, B) The neck computed tomography of the left thyroid gland shows 2×2×3.2 cm sized large hematoma with abnormal vascular pooling in the left thyroid gland (arrows) (axial and coronal view). (C, D) Pseudoaneurysm (arrowhead) arises from the superior thyroidal artery (arrow) (sagittal view).

• 

  Fig. 2 The radiologic finding of the pseudoaneurysm (ultrasonography). (A) Ultrasonographic finding demonstrates heterogeneous echogenic swirling mass (2.3×1.9 cm) in the left thyroid gland. (B) Color Doppler identifies that the vascular flow in the pseudoaneurysm is originated from the superior thyroid artery (arrow) through the pseudoaneurysm neck (between the arrowheads). (C) Pseudoaneurysm with typical ‘to-and-fro’ color Doppler flow signal in the left lobe of thyroid gland.

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