Abstract
Background: Intracystic hemorrhage can present occasionally during ultrasound-guided percutaneous microwave ablation (PMWA) for cystic thyroid nodules. It can affect treatment outcome, can lead to ablation failure, and even conversion to open surgery. We aim to avoid such cases in the future by exploring their causes and management.Methods: From March 2017 to December 2019, we retrospectively studied 87 cystic thyroid nodules in 59 patients who underwent PMWA in the First Hospital of Jilin University. All patients were followed at 1, 3, 6, and 12 months after treatment.Results: All patients completed the treatment successfully. Nine cystic thyroid nodules presented with intracystic hemorrhage during the ultrasound-guided PMWA, giving an incidence of 10.3% (9/87 cysts). Larger cystic thyroid nodules were more likely to develop intracystic bleeding during ultrasound-guided PMWA. Intracystic hemorrhage resulted in significantly prolonged ablation time and had a negative effect on treatment outcome. No patients had other complications, but temporary post-operative pain and local swelling were more obvious in patients with intracystic hemorrhage.Conclusion: Intracystic hemorrhage is not rare during ultrasound-guided PMWA for cystic thyroid nodules. Doctors should pay more attention to it, learn to manage it and try to avoid it in clinical practice.
Highlights
Recent developments in imaging techniques have led to an increase in diagnosis of thyroid nodules [1]
We found that intracystic hemorrhage appeared occasionally when ultrasound-guided percutaneous microwave ablation (PMWA) was used to treat cystic thyroid nodule, and interfered with treatment
Nine cystic thyroid nodules in nine patients presented with intracystic hemorrhage during ultrasound-guided PMWA, giving an incidence of 10.3% (9/87 cysts); 77.8% of intracystic hemorrhage (7/9 cysts) occurred in women aged 40–60 years (Table 2)
Summary
Recent developments in imaging techniques have led to an increase in diagnosis of thyroid nodules [1]. Many of these nodules are pure cystic or predominantly cystic (cystic component ≥60%). Cystic thyroid nodules still require treatment in some cases, such as those with rapid growth, aesthetic disturbances, or local compressive symptoms (neck pain, dysphagia, and cough), or in patients who are worried [3]. Microwave Ablation Cystic Thyroid Nodules aspiration, ablation, or surgical resection [4]. Intracystic hemorrhage can present occasionally during ultrasound-guided percutaneous microwave ablation (PMWA) for cystic thyroid nodules. It can affect treatment outcome, can lead to ablation failure, and even conversion to open surgery. We aim to avoid such cases in the future by exploring their causes and management
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