PMID: 2201585Aug 1, 1990Paper

Ultrasonically guided histological and cytological fine needle biopsies of the pancreas. Reliability and reproducibility of diagnoses

Gut
A GlenthøjS Torp-Pedersen

Abstract

In 100 consecutive patients ultrasonically guided histological and cytological fine needle biopsy specimens were obtained from pancreatic lesions using two different needles with an outer diameter of 0.6 mm. Specimens taken by both cytological and histological fine needle biopsy were examined blindly by two pathologists. When related to the final and reliable diagnosis obtained in 57 patients, the predictive value of a malignant diagnosis was 1.00 for both types of biopsy. The predictive value for a benign diagnosis was 0.25 for histological specimens for both examiners and 0.33 and 0.45 for the two evaluations of the cytological specimens. False benign diagnoses seemed to be related to both sampling error and difficulties in interpreting the biopsy specimens. The intraobserver and interobserver kappa values concerning reproducibility of diagnoses were higher for histological specimens (0.80 and 0.74) than for cytological specimens (0.70 and 0.61). Consistent malignant diagnoses, however, occurred more often with cytological specimens (51 cases) than with histological specimens (39 cases) (p less than 0.05) and consistent diagnoses of insufficient material were more common with histological specimens (18 cases v six cases). Cyt...Continue Reading

References

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Citations

Sep 18, 1998·Ultrasound in Medicine & Biology·H H Holm
Nov 20, 2002·Journal of Computer Assisted Tomography·Christoph J ZechMaximilian F Reiser
May 20, 2006·Radiology·Stuart G SilvermanEdmund S Cibas
Aug 25, 2006·AJR. American Journal of Roentgenology·Sean D PaulsenIsaac R Francis
Jul 20, 2002·AJR. American Journal of Roentgenology·Elaine M CaoiliHanh V Nghiem
Apr 22, 2003·AJR. American Journal of Roentgenology·Frank J RybickiStuart G Silverman
Jan 1, 1990·Acta Oncologica·H T MouridsenT Skovsgård
Sep 26, 2002·Gastrointestinal Endoscopy·Kenneth F Binmoeller, Vipulroy D Rathod
Aug 26, 1998·The American Journal of Gastroenterology·M Di StasiL Buscarini

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