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Computed tomography-guided fine-needle aspiration and tissue-core biopsy of bone lesions in small animals

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Abstract
In humans, free-hand computed tomography (CT)-guided biopsy is an accurate method to obtain a tissue sample. There are only a few reports of this technique in veterinary medicine. In the present study, 21 dogs and two cats underwent a free-hand CT-guided tissue-core biopsy (17 animals) or fine-needle aspiration (six animals) of a bone lesion. Two out of 17 tissue-core samples were also cultured. All 17 tissue-core biopsy samples were diagnostic (accuracy of 100%). Five out of six aspirates were diagnostic (accuracy of 83.3%). The overall accuracy was 95.7%. In one aspirate, cytologic quality was insufficient containing only blood. No major complications were encountered. Fourteen neoplastic, two infectious and six benign lesions were diagnosed. CT examination after intravenous contrast medium added useful information to avoid large vessels and to biopsy-viable tissue. Free-hand CT-guided tissue-core biopsy and aspiration appears to be a safe and very accurate procedure for use in the diagnosis of bone-associated diseases in small animals.
Keywords
biopsy, aspiration, cat, computed tomography, dog, free-hand, PERCUTANEOUS BIOPSY, ULTRASOUND, ONCOLOGY, TUMORS, SPINE

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Chicago
Vignoli, Massimo, Stefanie Ohlerth, Federica Rossi, Luigi Pozzi, Rossella Terragni, Daniele Corlazzoli, and Barbara Kaser-Hotz. 2004. “Computed Tomography-guided Fine-needle Aspiration and Tissue-core Biopsy of Bone Lesions in Small Animals.” Veterinary Radiology & Ultrasound 45 (2): 125–130.
APA
Vignoli, M., Ohlerth, S., Rossi, F., Pozzi, L., Terragni, R., Corlazzoli, D., & Kaser-Hotz, B. (2004). Computed tomography-guided fine-needle aspiration and tissue-core biopsy of bone lesions in small animals. VETERINARY RADIOLOGY & ULTRASOUND, 45(2), 125–130.
Vancouver
1.
Vignoli M, Ohlerth S, Rossi F, Pozzi L, Terragni R, Corlazzoli D, et al. Computed tomography-guided fine-needle aspiration and tissue-core biopsy of bone lesions in small animals. VETERINARY RADIOLOGY & ULTRASOUND. 2004;45(2):125–30.
MLA
Vignoli, Massimo, Stefanie Ohlerth, Federica Rossi, et al. “Computed Tomography-guided Fine-needle Aspiration and Tissue-core Biopsy of Bone Lesions in Small Animals.” VETERINARY RADIOLOGY & ULTRASOUND 45.2 (2004): 125–130. Print.
@article{1073400,
  abstract     = {In humans, free-hand computed tomography (CT)-guided biopsy is an accurate method to obtain a tissue sample. There are only a few reports of this technique in veterinary medicine. In the present study, 21 dogs and two cats underwent a free-hand CT-guided tissue-core biopsy (17 animals) or fine-needle aspiration (six animals) of a bone lesion. Two out of 17 tissue-core samples were also cultured. All 17 tissue-core biopsy samples were diagnostic (accuracy of 100\%). Five out of six aspirates were diagnostic (accuracy of 83.3\%). The overall accuracy was 95.7\%. In one aspirate, cytologic quality was insufficient containing only blood. No major complications were encountered. Fourteen neoplastic, two infectious and six benign lesions were diagnosed. CT examination after intravenous contrast medium added useful information to avoid large vessels and to biopsy-viable tissue. Free-hand CT-guided tissue-core biopsy and aspiration appears to be a safe and very accurate procedure for use in the diagnosis of bone-associated diseases in small animals.},
  author       = {Vignoli, Massimo and Ohlerth, Stefanie  and Rossi, Federica and Pozzi, Luigi and Terragni, Rossella and Corlazzoli, Daniele and Kaser-Hotz, Barbara},
  issn         = {1058-8183},
  journal      = {VETERINARY RADIOLOGY \& ULTRASOUND},
  keyword      = {biopsy,aspiration,cat,computed tomography,dog,free-hand,PERCUTANEOUS BIOPSY,ULTRASOUND,ONCOLOGY,TUMORS,SPINE},
  language     = {eng},
  number       = {2},
  pages        = {125--130},
  title        = {Computed tomography-guided fine-needle aspiration and tissue-core biopsy of bone lesions in small animals},
  url          = {http://dx.doi.org/10.1111/j.1740-8261.2004.04020.x},
  volume       = {45},
  year         = {2004},
}

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