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Acute “Crack‐Like” Hemorrhage of the Thyroid During Fine‐Needle Aspiration Biopsy: A Case Report

Year: 2026

Type: article

Abstract: Fine-needle aspiration biopsy (FNAB) is the preferred pathological examination to exclude thyroid cancer. We describe two case studies of acute thyroid lytic hemorrhage and swelling with pain during FNAB. We observed hemorrhages with a crack-like appearance and swelling during the first needle prick, accompanied by pain, in two patients with no coagulation dysfunction. Symptoms were relieved after the intervention. Thyroid hemorrhage with a crack-like pattern is a rare acute hemorrhagic complication of FNAB. The cause is unclear, and an allergic reaction of the glands could not be excluded. Emergency measures must be prepared in advance, as unpredictable complications may occur during FNAB.

Source: Journal of Clinical Ultrasound

DOI: 10.1002/jcu.70178

Authors: Yuren Zhang, Li Yang, Qing Ni

Institutions: China Academy of Chinese Medical Sciences, Guang’anmen Hospital

Language: English

Topic: Thyroid Cancer Diagnosis and Treatment

Subfield: Endocrinology, Diabetes and Metabolism

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: bronze

Funder: China Academy of Chinese Medical Sciences