Negative pressure is not necessary for using fine-needle aspiration biopsy to diagnose suspected thyroid nodules: a prospective randomized study.

Conclusion: This prospective randomized study failed to detect significant differences in the diagnostic adequacy and quality of FNAB with or without negative pressure. Therefore, the examiner may select whichever FNAB method they prefer. PMID: 31073511 [PubMed]
Source: Annals of Surgical Treatment and Research - Category: Surgery Tags: Ann Surg Treat Res Source Type: research