Fig. 1. Superficial hemtoma from a branch of the anterior jugular vein. Even if the hematoma enlarges significantly, the swelling typically occurs towards the skin rather than the airway. Additionally, as the hemoglobin from the hematoma diffuses towards the skin surface, it causes severe ecchymosis. Despite the neck swelling, there were no symptoms of respiratory distress.

Int J Thyroidol 2024;17:251-8 https://doi.org/10.11106/ijt.2024.17.2.251

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