Fig. 1. Neck ultrasonography of the patient’s neck showing a hyperechogenic foreign body inside the sternocleidomastoid muscle and coming out to the hypodermic neck space. (A) Neck ultrasonography with linear probe ultrasonography. (B) Hyperechogenic foreign body was detected inside the sternocleidomastoid muscle. (C) The linear structure was running through the hypodermic neck space. (D) The superficial end of the foreign body was lodged just below the skin.

Int J Gastrointest Interv 2019;8:49~51 https://doi.org/10.18528/ijgii180042

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