Radiation Exposure From CT-Guided Ablation of Renal Masses: Effects on Life Expectancy

2015 ◽  
Vol 204 (2) ◽  
pp. 335-342 ◽  
Author(s):  
Jonathan D. Eisenberg ◽  
Debra A. Gervais ◽  
Sarabjeet Singh ◽  
Mannudeep K. Kalra ◽  
Sharjeel H. Sabir ◽  
...  
Keyword(s):  
Life Expectancy ◽  
Radiation Exposure ◽  
Renal Masses ◽  
Ct Guided

scholarly journals Differences in Radiation Exposure of CT-Guided Percutaneous Manual and Powered Drill Bone Biopsy

2021 ◽  
Author(s):  
Sebastian Zensen ◽  
Sumitha Selvaretnam ◽  
Marcel Opitz ◽  
Denise Bos ◽  
Johannes Haubold ◽  
...  
Keyword(s):  
Radiation Exposure ◽  
Diagnostic Yield ◽  
Bone Biopsy ◽  
Lumbar Vertebrae ◽  
Bone Lesions ◽  
Anatomical Location ◽  
Thoracic Vertebrae ◽  
Level Of Evidence ◽  
Ct Guided ◽  
Bone Biopsies

Abstract Purpose Apart from the commonly applied manual needle biopsy, CT-guided percutaneous biopsies of bone lesions can be performed with battery-powered drill biopsy systems. Due to assumably different radiation doses and procedural durations, the aim of this study is to examine radiation exposure and establish local diagnostic reference levels (DRLs) of CT-guided bone biopsies of different anatomical regions. Methods In this retrospective study, dose data of 187 patients who underwent CT-guided bone biopsy with a manual or powered drill biopsy system performed at one of three different multi-slice CT were analyzed. Between January 2012 and November 2019, a total of 27 femur (A), 74 ilium (B), 27 sacrum (C), 28 thoracic vertebrae (D) and 31 lumbar vertebrae (E) biopsies were included. Radiation exposure was reported for volume-weighted CT dose index (CTDIvol) and dose–length product (DLP). Results CTDIvol and DLP of manual versus powered drill biopsy were (median, IQR): A: 56.9(41.4–128.5)/66.7(37.6–76.2)mGy, 410(203–683)/303(128–403)mGy·cm, B: 83.5(62.1–128.5)/59.4(46.2–79.8)mGy, 489(322–472)/400(329–695)mGy·cm, C: 97.5(71.6–149.2)/63.1(49.1–83.7)mGy, 627(496–740)/404(316–515)mGy·cm, D: 67.0(40.3–86.6)/39.7(29.9–89.0)mGy, 392(267–596)/207(166–402)mGy·cm and E: 100.1(66.5–162.6)/62.5(48.0–90.0)mGy, 521(385–619)/315(240–452)mGy·cm. Radiation exposure with powered drill was significantly lower for ilium and sacrum, while procedural duration was not increased for any anatomical location. Local DRLs could be depicted as follows (CTDIvol/DLP): A: 91 mGy/522 mGy·cm, B: 90 mGy/530 mGy·cm, C: 116 mGy/740 mGy·cm, D: 87 mGy/578 mGy·cm and E: 115 mGy/546 mGy·cm. The diagnostic yield was 82.4% for manual and 89.4% for powered drill biopsies. Conclusion Use of powered drill bone biopsy systems for CT-guided percutaneous bone biopsies can significantly reduce the radiation burden compared to manual biopsy for specific anatomical locations such as ilium and sacrum and does not increase radiation dose or procedural duration for any of the investigated locations. Level of Evidence Level 3.

CT-guided percutaneous cryoablation of renal masses in selected patients

2011 ◽  
Vol 117 (4) ◽  
pp. 593-605 ◽  
Author(s):  
C. Spreafico ◽  
N. Nicolai ◽  
R. Lanocita ◽  
C. Morosi ◽  
M. Catanzaro ◽  
...  
Keyword(s):  
Renal Masses ◽  
Ct Guided ◽  
Percutaneous Cryoablation

CT-guided Percutaneous Cryotherapy of Renal Masses

2007 ◽  
Vol 18 (3) ◽  
pp. 383-392 ◽  
Author(s):  
Peter J. Littrup ◽  
Abraham Ahmed ◽  
Hussein D. Aoun ◽  
Daniel L. Noujaim ◽  
Ted Harb ◽  
...  
Keyword(s):  
Renal Masses ◽  
Ct Guided

scholarly journals Evaluating the role for renal biopsy in T1 and T2 renal masses: A single-centre study

2018 ◽  
Vol 12 (5) ◽  
pp. E226-30 ◽  
Author(s):  
Dylan Hoare ◽  
Howard Evans ◽  
Heidi Richards ◽  
Rahim Samji
Keyword(s):  
Logistic Regression ◽  
Adverse Events ◽  
Diagnostic Accuracy ◽  
Renal Biopsy ◽  
Predictive Value ◽  
Lesion Size ◽  
Renal Masses ◽  
Ct Guided ◽  
Binomial Logistic Regression ◽  
T1 And T2

Introduction: Once used primarily in the identification of renal metastasis and lymphomas, various urological bodies are now adopting an expanded role for the renal biopsy. We sought to evaluate the role of the renal biopsy in a Canadian context, focusing on associated adverse events, radiographic burden, and diagnostic accuracy.Methods: This retrospective review incorporated all patients undergoing ultrasound (US)/computed tomography (CT)-guided biopsies for T1 and T2 renal masses. There were no age or lesion size limitations. The primary outcome of interest was the correlation between initial biopsy and final surgical pathology. A binomial logistic regression analysis was conducted to determine any confounding factors. Secondary outcomes included the accuracy of tumour cell typing, grading, the safety profile, and radiographic burden associated with these patients.Results: A total of 148 patients satisfied inclusion criteria for this study. Mean age and lesions size at detection were 60.9 years (±12.4) and 3.6 cm (±2.0), respectively. Most renal masses were identified with US (52.7%) or CT (44.6%). Three patients (2.0%) experienced adverse events of note. Eighty-six patients (58.1%) proceeded to radical/partial nephrectomy. Our biopsies held a diagnostic accuracy of 90.7% (sensitivity 96.2%, specificity 87.5%, positive predictive value 98.7%, negative predictive value 70.0%, kappa 0.752, p<0.0005). Binomial logistic regression revealed that age, lesion size, number of radiographic tests, time to biopsy, and modality of biopsy (US/CT) had no influence on the diagnostic accuracy of biopsies.Conclusions: Renal biopsies are safe, feasible, and diagnostic. Their role should be expanded in the routine evaluation of T1 and T2 renal masses.

Radiation exposure during CT-guided biopsies: recent CT machines provide markedly lower doses

2018 ◽  
Vol 28 (9) ◽  
pp. 3929-3935 ◽  
Author(s):  
Nika Guberina ◽  
Michael Forsting ◽  
Adrian Ringelstein ◽  
Saravanabavaan Suntharalingam ◽  
Kai Nassenstein ◽  
...  
Keyword(s):  
Radiation Exposure ◽  
Ct Guided

Preoperative lipiodol marking improved safety and success rate on CT-guided cryoablation for small renal masses

2016 ◽  
Vol 15 (13) ◽  
pp. e1749
Author(s):  
F. Hongo ◽  
H. Ishida ◽  
K. Yano ◽  
M. Kanazawa ◽  
K. Kamoi ◽  
...  
Keyword(s):  
Success Rate ◽  
Small Renal Masses ◽  
Renal Masses ◽  
Ct Guided ◽  
Lipiodol Marking

510 CT GUIDED PERCUTANEOUS CORE-BIOPSY OF RENAL MASSES: SHORT-TERM COMPLICATIONS, A PROSPECTIVE STUDY

2010 ◽  
Vol 183 (4S) ◽  
Author(s):  
Erez Lang ◽  
Laurian Copel ◽  
Nadav Berkovitz ◽  
Judith Sandbank ◽  
Paul Gotlieb ◽  
...  
Keyword(s):  
Prospective Study ◽  
Core Biopsy ◽  
Short Term ◽  
Renal Masses ◽  
Ct Guided ◽  
A Prospective Study

Computed Tomography Guidance for Percutaneous Glycerol Rhizotomy for Trigeminal Neuralgia

2019 ◽  
Vol 19 (2) ◽  
pp. E117-E121
Author(s):  
Bradley T Schmidt ◽  
Conrad D Pun ◽  
Wendell B Lake ◽  
Daniel K Resnick
Keyword(s):  
Computed Tomography ◽  
Trigeminal Neuralgia ◽  
Radiation Exposure ◽  
Skull Base ◽  
Ct Guidance ◽  
Foramen Ovale ◽  
Ct Scanner ◽  
Ct Guided ◽  
Needle Position ◽  
Scout Image

Abstract Background Percutaneous glycerol rhizotomy (PGR) is a well-described treatment for trigeminal neuralgia; however, the technique in using surface landmarks and fluoroscopy has not drastically changed since being first introduced. In this paper, we describe a protocol for PGR using computed tomography (CT) guidance based on an experience of over 7 yr and 200 patients. Objective To introduce an approach for PGR using CT guidance and, in doing so, demonstrate possible benefits over the traditional fluoroscopic technique. Methods Using a standard CT scanner, patients are placed supine with head in extension. Barium paste and a CT scout image are used to identify and plan a trajectory to the foramen ovale. A laser localization system built into the CT scanner helps to guide placement of the spinal needle into the foramen ovale. The needle position in the foramen is confirmed with a short-sequence CT scan. Results CT-guided PGR provides multiple benefits over standard fluoroscopy, including improved visualization of the skull base and significant reduction in radiation exposure to the surgeon and staff. Side benefits include improved procedure efficiency, definitive imaging evidence of correct needle placement, and potentially increased patient safety. We have had no significant complications in over 200 patients. CONCLUSION CT-guided PGR is a useful technique for treating trigeminal neuralgia based on better imaging of the skull base, better efficiency of the procedure, and elimination of radiation exposure for the surgeon and staff compared to traditional fluoroscopic based techniques.

“Scout No Scan” Technique Reduces Patient Radiation Exposure During CT-Guided Spine Biopsy

2017 ◽  
Vol 209 (5) ◽  
pp. 1158-1161 ◽  
Author(s):  
Aaron Bress ◽  
Scott Metzler ◽  
Christopher Plastaras ◽  
Cuong Nguyen ◽  
James M. Schuster ◽  
...  
Keyword(s):  
Radiation Exposure ◽  
Ct Guided ◽  
Patient Radiation Exposure
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