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. 2008 May 8;17(7):975–981. doi: 10.1007/s00586-008-0678-x

Table 2.

Biopsy set used for core needle biopsies (CNB)

	Trap system	Craig-Kogler	Bonopty
Trocar caliber^a	8G/4–5 mm with 10/15 cm sharp stylet	8G/4–5 mm with 19 cm sharp guide	15G/1.8 mm–14G/2.1 mm with 12.2/16 cm drills
Trocar length	10–15 cm	10 cm	9.5 cm
Extractor	10/15 cm flexible steel (9G)	21 cm coaxial (12 G)	16 cm cannula (18G)
Multiple coaxial	No	Yes	Yes
Action system^b
No. of biopsies	372	53	5

^aInner and outer caliber

^bWith this system the trocar remains positioned inside the lesion while multiple biopsies can be taken through the needle