Evaluation of an aspiration-type semiautomatic cutting biopsy needle.
OBJECTIVE
The purpose of this study was to evaluate an aspiration-type semiautomatic cutting biopsy needle for biopsy of bovine tissue.


METHODS
Aspiration-type semiautomatic cutting biopsy needles (18 gauge × 160 mm) with aspiration (Group A), aspiration-type semiautomatic biopsy needles without aspiration (Group Wo), or normal-type semiautomatic biopsy needles (18 gauge × 150 mm) (Group N) were used in 10 biopsies each of bovine liver or lung. The specimens were weighed with an electronic balance.


RESULTS
Mean (standard deviation) weights for bovine liver specimens in Groups A, Wo, and N were 6.80 (0.615) mg, 5.62 (0.843) mg, and 4.19 (0.140) mg, respectively. Mean weights of bovine lung specimens from Groups A, Wo, and N were 2.98 (0.828) mg, 2.67 (0.832) mg, and 1.94 (0.864) mg, respectively. A significant difference was seen between the 3 groups for bovine liver. However, a significant difference was only seen between Groups A and N for bovine lung.


CONCLUSIONS
Bovine liver and lung specimens obtained using the aspiration-type semiautomatic cutting biopsy needle were heavier than those obtained using the normal-type semiautomatic biopsy needle.
Department of Radiology, Kansai Medical University , Osaka , Japan.
Atsushi
A
Komemushi
Shohei
S
Kanno
Satoshi
S
Suzuki
Akira
A
Sano
Shuji
S
Kariya
Miyuki
M
Nakatani
Rie Yagi
RY
Yoshida
Yumiko
Y
Kono
Yoko
Y
Harima
Noboru
N
Tanigawa
D000818:Animals; D001707:Biopsy, Needle / Q000295:instrumentation*; D002417:Cattle; D004867:Equipment Design; D061705:Image-Guided Biopsy / Q000295:instrumentation*; D008099:Liver; D008168:Lung
Image-guided procedures; interventional radiology; needle interventions; percutaneous biopsy