Summary
Fine cutting needles for histology are now widely used in echo-guided biopsies of various organs. In this study we compared the results obtained in the biopsy of neoplastic hepatic lesions using two different 21-gauge cutting needles: Trucut needle (Urocut) and a modified Menghini needle (Surecut). Eighty-five patients with primary or metastatic hepatic neoplasms were biopsied with a Urocut needle and a further 85 patients underwent biopsy with a Surecut needle. The two groups were comparable for size and nature of hepatic neoplasms. The Urocut needle provided a much higher percentage of diagnostic material than the Surecut needle (94.8% vs 70.5%) regardless of the primary or metastatic nature of the lesion or its size. The diagnostic accuracy was only identical for both needles (91.3% for Urocut vs 91.5% for Surecut) whenever the diagnostic material was compared in cases in which both types of needles had been used to take the biopsy specimens. There were no complications in either of the two groups studied. Given the smaller incidence of non-diagnostic biopsies with the Urocut needle, we consider that this needle should be preferred in echo-guided biopsies of neoplastic hepatic lesions.
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Solmi, L., Muratori, R., Brambati, M. et al. Comparison between the 21-gauge Urocut needle and the 21-gauge Surecut needle in echo-guided percutaneous biopsy of neoplastic liver lesions. Surg Endosc 3, 38–41 (1989). https://doi.org/10.1007/BF00591314
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DOI: https://doi.org/10.1007/BF00591314