A comparison of the adequacy and pain scale for manual FNA of solid nodule with a 22 – or 23 – gauge needle for conventional smear: A single center study
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Abstract
Abstract
Background Because of its simplicity, safety, and accuracy, Fine-needle aspiration (FNA) cytology
is widely used for thyroid nodule diagnosis. In Thailand, this procedure is often performed by
inexperienced doctors, resulting in a high rate of non-diagnostic results. This study aimed to
compare the cytological adequacy, pain scale, and other factors depending on the use of 22 and
23-gauge needles in manual FNA with conventional smear. From 200 solid thyroid nodules (STNs),
it was shown that the 22-gauge needle tended to exhibit a higher rate of cytological adequacy
without a statistically significant that causes reduction in FNA repetition rate. Thus, the use of a 22-
gauge needle may be preferable in manual FNA of STNs using conventional smear.
Objective: To compare the cytological adequacy, pain scale, and other factors depending on the
use of 22 and 23-gauge needles in manual FNA with conventional smear.
Material and methods: In this prospective work using cross-sectional diagnostic comparative
testing, double-blind randomized control trial, and pilot study, 200 patients with STNs underwent
manual FNAs with conventional smear and corrected data of cytological adequacy and cellularity,
pain scale, and correlation with surgical pathology after the procedure.
Results: From 200 STNs patients (100 patients underwent FNA with 22-gauge needle and the other
100 patients underwent FNA with 23-gauge needle), the results of cytological adequacy and
cellularity, pain scale, and correlation with surgical pathology showed no statistically significant
variance between the 22 and 23- gauge needles. The 22-gauge needle tends to exhibit a higher
rate of cytological adequacy with a reduction in FNA repetition rate.
Conclusion: No statistically significant difference exists between using 22 or 23-gauge needles in
manual FNA of STNs with conventional smear. The 22-gauge needle tends to have a higher rate of
cytological adequacy that reduces the FNA repeated rate, so the use of a 22-gauge needle may
be recommended.
Keywords: Fine-needle aspiration, Needle, Cytological adequacy, Pain scale
Article Details
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ต้นฉบับที่ส่งมาพิจารณายังวารสารหู คอ จมูก และใบหน้า จะต้องไม่อยู่ในการพิจารณาของวารสารอื่น ในขณะเดียวกันต้นฉบับที่จะส่งมาจะผ่านการอ่านโดยผู้ทรงคุณวุฒิ หากมีการวิจารณ์หรือแก้ไขจะส่งกลับไปให้ผู้เขียนตรวจสอบแก้ไขอีกครั้ง ต้นฉบับที่ผ่านการพิจารณาให้ลงตีพิมพ์ถือเป็นสมบัติของวารสารหู คอ จมูกและใบหน้า ไม่อาจนำไปลงตีพิมพ์ที่อื่นโดยไม่ได้รับอนุญาต
ตารางแผนภูมิ รูปภาพ หรือข้อความเกิน 100 คำที่คัดลอกมาจากบทความของผู้อื่น จะต้องมีใบยินยอมจากผู้เขียนหรือผู้ทรงลิขสิทธิ์นั้นๆ และใหร้ะบุกำกับไว้ในเนื้อเรื่องด้วย
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