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Skeletal Radiology

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01-11-2010 | Scientific Article

Finger fractures imaging: accuracy of cone-beam computed tomography and multislice computed tomography

Authors: Niccolò Faccioli, Giovanni Foti, Marco Barillari, Andrea Atzei, Roberto Pozzi Mucelli

Published in: Skeletal Radiology | Issue 11/2010

Abstract

Objective

To compare the diagnostic accuracy and radiation exposure of cone beam computed tomography (CBCT) and multislice computed tomography (MSCT) in the evaluation of finger fractures.

Materials and methods

In a 3-year period, 57 consecutive patients with post-traumatic fractures of the metacarpal–phalangeal (MCP), proximal interphalangeal (PIP) and distal interphalangeal (DIP) joints with involvement of the articular surface were studied by means of CBCT and MSCT. Student’s t test was used to compare CBCT and MSCT accuracy in evaluating the percentage of joint surface involvement and in detecting bone fragments. The average tissue-absorbed doses of CBCT and MSCT were also compared. A value of p < 0.05 was considered statistically significant. Inter-observer agreement was calculated.

Results

In all cases, CBCT allowed the percentage of articular involvement to be correctly depicted compared with MSCT, showing 100% sensitivity and specificity (p < 0.001). A total of 103 bone fragments were depicted on MSCT (mean 3.8 per patient, range 1–23). CBCT indicated 92 out of 103 fragments (89.3%) compared with MSCT (mean diameter of missed fragments 0.9 mm, range 0.6–1.3 mm), with no statistically significant difference between CBCT and MSCT (p < 0.025). Multislice CT radiation exposure was significantly higher than that of CBCT (0.18 mSv vs 0.06 mSv, p < 0.0025). Inter-observer agreement was good (overall κ = 0.89–0.96).

Conclusions

Cone beam CT may be considered a valuable imaging tool in the preoperative assessment of finger fractures, when MSCT is not available.

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Title: Finger fractures imaging: accuracy of cone-beam computed tomography and multislice computed tomography
Authors: Niccolò Faccioli
Giovanni Foti
Marco Barillari
Andrea Atzei
Roberto Pozzi Mucelli
Publication date: 01-11-2010
Publisher: Springer-Verlag
Published in: Skeletal Radiology / Issue 11/2010
Print ISSN: 0364-2348
Electronic ISSN: 1432-2161
DOI: https://doi.org/10.1007/s00256-010-0911-7

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Finger fractures imaging: accuracy of cone-beam computed tomography and multislice computed tomography

Abstract

Objective

Materials and methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Objective

Materials and methods

Results

Conclusions

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