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Abstract
Purpose: To evaluate the preliminary result of percutaneous core biopsy of focal pancreatic lesions under ultrasound guidance using 16G or 18G coaxial needle. Methods: Data of 6 patients with pancreatic tumors detected on abdominal CT/ MRI from 2020 - 2021 at Hue University of Medicine and Pharmacy Hospital were retrospectively analyzed. All lesions were sampled by direct access (without transgastric or transhepatic). We used a 16G automatic biopsy needle with 15 - 22 mm long core or coaxial technique with 16G trocar and 18G needle. The decision of needle size and biopsy technique was down to the location, size and correlation of the lesions with adjacent organs. Patients’ vital signs and puncture sites were monitored every 15
minutes for the first hour, every 30 minutes for the next 3 hours, and daily until discharge.
Results: The mean age was 60.3 years (range, 50 - 84 years), male: female ratio was 5:1. The median tumor diameter was 49.8 mm (range, 26 - 75 mm). Tumor locations were 4/6 in the head, 1/6 in the body and 1/6 in the tail. All lesions were accessed from the anterior abdominal wall and 2 - 3 samples of 10 - 15 mm in length were obtained. Coaxial 18G needle was used in 3/6 patients. 5/6 samples (83.3%) were diagnostic (adenocarcinoma) and 1/6 sample was considered non - diagnostic (focal inflammation).
The diagnostic accuracy rate was 83.3%. Intra - procedural minor complications were acute arterial bleeding from trocar and omental hematoma. The former case was treated by immediate trans - trocar track embolization with gelfoam and the latter case was managed by focus compression using ultrasound probe. No further in - hospital
complications were documented and all patients were discharged uneventfully.
Conclusions: Percutaneous ultrasound - guided core biopsy of focal pancreatic lesions is a relatively safe and effective procedure in determining the nature of pancreatic solid tumors. Awareness of potential complications and knowledge of management are essential.
Key words: Percutaneous core biopsy, focal pancreatic lesion, ultrasound
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| Published | 05-01-2025 | |
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| Issue | No. 85 (2023) | |
| Section | Original article | |
| DOI | 10.38103/jcmhch.85.3 | |
| Keywords | Từ khóa: Sinh thiết lõi, u tụy, siêu âm |
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