Open AccessCone-beam computed tomography with automated bone subtraction in preoperative embolization for pelvic bone tumors
Author(s) -
Dae Yong Park,
Hyo Cheol Kim,
Jin Wook Chung,
Saebeom Hur,
Min Uk Kim,
Myungsu Lee,
Hwan Jun Jae
Publication year - 2017
Publication title -
plos one
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.99
H-Index - 332
ISSN - 1932-6203
DOI - 10.1371/journal.pone.0175907
Subject(s) - medicine , cone beam computed tomography , digital subtraction angiography , embolization , fluoroscopy , radiology , nuclear medicine , subtraction , dose area product , computed tomography , angiography , arithmetic , mathematics
Purpose To evaluate the usefulness of cone-beam computed tomography with automated bone subtraction (CBCT-ABS) in the preoperative embolization of hypervascular tumors located in the pelvic bone. Materials and methods This retrospective study included 26 patients with pelvic bone tumors who underwent preoperative embolization between January 2014 and October 2016. A CBCT-ABS scan was taken in a total of 17 patients (CBCT-ABS group), and only a series of digital subtraction angiographies (DSAs) was taken in the remaining 9 patients (DSA group). The percent devascularization, number of angiographic runs, total dose-area product (DAP), fluoroscopy time, interventional procedure time, operative time, and estimated blood loss were compared between the two groups using Mann-Whitney test. Results The percent devascularization, interventional procedure time, fluoroscopy time, operative time, and estimated blood loss were not statistically different between the two groups (p > 0.05). On the other hand, the number of angiographic runs in the CBCT-ABS group was significantly lower than that in the DSA group (p = 0.029). The total DAP of the CBCT-ABS group (mean, 17700.7 μGym 2 ) was higher than that of the DSA group (mean, 8939.4 μGym 2 ) (p = 0.002). Conclusions The use of CBCT-ABS during the preoperative embolization of pelvic bone tumors significantly reduces the number of angiographic runs at the cost of an increased radiation dose.