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Radiol Bras. 2018 May-Jun;51(3):141-146. doi: 10.1590/0100-3984.2017.0045.

Computed tomography-guided percutaneous biopsy of abdominal lesions: indications, techniques, results, and complications.

Author information

1
MD, MSc, Imaging Department, A.C.Camargo Cancer Center, São Paulo, SP, Brazil.
2
MD, PhD, Imaging Department, A.C.Camargo Cancer Center, São Paulo, SP, Brazil.
3
MD, Imaging Department, A.C.Camargo Cancer Center, São Paulo, SP, Brazil.
4
MD, Radiology Department, Casa da Esperança de Santo André, Santo André, SP, Brazil.

Abstract

Objective:

To evaluate the performance of computed tomography (CT)-guided percutaneous biopsy of abdominal lesions.

Materials and Methods:

This retrospective, single-center study evaluated patients submitted to CT-guided percutaneous biopsy of abdominal lesions at a cancer center, between January 2014 and June 2015. The images and patient medical records were reviewed using a standardized data collection form.

Results:

We included 225 procedures performed in 212 patients, of whom 143 (63.5%) had a prior diagnosis of cancer. Of the 225 lesions biopsied, 88 (39.1%) had a suspected primary origin and 137 (60.9%) were suspected metastatic lesions. Complications occurred in only 14 (6.2%), the most common being self-limited bleeding, which occurred in 12 (85.7%) of the 14. The occurrence of complications was not found to be significantly associated with the lesion location, age of the patient, presence of comorbidities, use of a supplementary technique, vascularization pattern, or proximity of the lesion to large vessels. The pathology findings were sufficient for making the diagnosis in 202 cases (89.8%), and the diagnosis was consistent with the clinical suspicion in 132 (58.6%).

Conclusion:

The procedure demonstrated a high (approximately 90%) rate of providing a sufficient sample for the diagnosis and a low complication rate, the most common complication being self-limiting bleeding.

KEYWORDS:

Abdominal neoplasms/diagnostic imaging; Image-guided biopsy; Tomography, X-ray computed

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