Thoracic Tumors Treated With CT-guided Radiofrequency Ablation: Initial Experience

Introduction: It is often difficult to clinically and radiologically diagnose intra-articular osteoid osteomas and osteoid osteomas of the hip joint. Treatment can also be difficult due to complex locational relationships. CT-guided radiofrequency ablation is currently the standard form of treatment. In this paper we report on a minimally-invasive concept for treating osteoid osteomas near the hip joint in children and adolescents which does not involve using computed tomography. Material and method: 10 patients with an average age of 12.1 years underwent treatment for osteoid osteomas in the hip joint region. The diagnosis was made using a contrast-enhanced MRI. The osteoid osteomas were marked percutaneously using x-ray and MRI guidance. MRI-guided drilling/curettage was performed in 4 cases and arthroscopic resection in 6 cases. Results: All lesions were successfully treated using the MRI-guided method. All patients were free of pain after the treatment. There was no instance of recurrence during the follow-up period, which averaged 10 months. The effective dose for marking the lesion was between 0.0186 mSv and 0.342 mSV (mean 0.084 mSV). Conclusions: Our MRI diagnostics protocol, the MRI-guided drilling and the minimally invasive hip arthroscopy represent an alternative to CT-guided radiofrequency ablation in the treatment of osteoid osteomas. Radiation exposure can thereby be significantly reduced. Hip arthroscopy can also be used to treat secondary pathologies such as femoroacetabular impingement.

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What makes CT guided radiofrequency ablation for osteoid osteoma superior to open surgery in terms of pain control and patient’s quality of life?

The Egyptian Journal of Radiology and Nuclear Medicine ◽

10.1016/j.ejrnm.2015.05.015 ◽

2015 ◽

Vol 46 (4) ◽

pp. 949-955 ◽

Cited By ~ 2

Author(s):

Mostafa Mohamed Mostafa Elian ◽

Ahmed Fathy Sadek

Keyword(s):

Quality Of Life ◽

Radiofrequency Ablation ◽

Osteoid Osteoma ◽

Pain Control ◽

Open Surgery ◽

Ct Guided

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Application of treatment planning system assisted large-aperture computed tomography simulator in percutaneous biopsy: initial experience by a radiation therapist

10.21203/rs.3.rs-17977/v1 ◽

2020 ◽

Author(s):

Xiaoyi Lin ◽

Jun-qiang Hong ◽

Shui-ying Luo ◽

You-qun Lai ◽

Yong-liang Dai ◽

...

Keyword(s):

Computed Tomography ◽

Success Rate ◽

Treatment Planning ◽

Percutaneous Biopsy ◽

Lymph Node Biopsy ◽

Planning System ◽

Treatment Planning System ◽

Initial Experience ◽

Ct Guided ◽

Large Aperture

Abstract Background and purpose To evaluate the application of treatment planning system (TPS) assisted large-aperture computed tomography (CT) simulator in percutaneous biopsy, and report our initial experience of the accuracy and safety of this procedure.Methods From November 2018 to December 2019, treatment planning system assisted large-aperture CT simulator guided percutaneous biopsy was performed on 38 cases, with 34 of percutaneous lung biopsy, three of abdominal lesions biopsy, and one case of deep supraclavicular lymph node biopsy. The major results including planned and actual puncture parameters, the success rate, pathological information and complications were recorded. The analyses of puncture accuracy were accomplished by pared-t test and Wilcoxon rank sum test. And the risk factors of puncture accuracy and complications were further identified.Results The entire cohort achieved one-time success of biopsy. No significant differences were presented between planned and actual puncture depth and direction (P = 0.436 and 0.382), indicating the precision of the process. And the pulmonary puncture location was related to the accuracy of puncture direction (P = 0.033). Biopsy specimens were successfully obtained in 38 cases. The diagnostic rate of malignancy was 76%, of which 80% for initial treatment group and 69% for treated group, respectively. For patients with pulmonary biopsy, 12 had minor pneumothorax and 2 progressed to massive pneumothorax. Only three cases suffered needle track bleeding, and no other complications were observed. Additionally, the regression analysis found a significant correlation between puncture angle and the incidence of pneumothorax (P = 0.027).Conclusions TPS assisted large-aperture CT simulator improved the procedure of percutaneous biopsy by combining the advantages of radiotherapy specialty. The initial results suggested the increase of puncture accuracy and success rate, with satisfactory safety simultaneously. It might offer new insights into the field of CT-guided percutaneous biopsy.

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Debulking treatment with CT-guided percutaneous radiofrequency ablation and hepatic artery infusion of floxuridine improves survival of patients with unresectable pulmonary and hepatic metastases of colorectal cancer

Chinese Journal of Cancer ◽

10.5732/cjc.013.10191 ◽

2014 ◽

Vol 33 (6) ◽

pp. 295-305 ◽

Cited By ~ 2

Author(s):

Sheng Li ◽

Ni He ◽

Wang Li ◽

Pei-Hong Wu

Keyword(s):

Colorectal Cancer ◽

Radiofrequency Ablation ◽

Hepatic Artery ◽

Hepatic Metastases ◽

Hepatic Artery Infusion ◽

Percutaneous Radiofrequency Ablation ◽

Ct Guided

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Feasibility and safety of percutaneous computed tomography guided radiofrequency ablation of lymph nodes in oligometastatic patients: a single center’s experience

British Journal of Radiology ◽

10.1259/bjr.20200445 ◽

2021 ◽

Vol 94 (1121) ◽

pp. 20200445

Author(s):

Dimitrios Filippiadis ◽

George Charalampopoulos ◽

Athanasios Tsochatzis ◽

Lazaros Reppas ◽

Argyro Mazioti ◽

...

Keyword(s):

Radiofrequency Ablation ◽

Lymph Nodes ◽

Clinical Success ◽

Complete Response ◽

Tumor Control ◽

Complication Rates ◽

Ct Guided ◽

Female Ratio ◽

Contrast Enhanced Ct ◽

The Mean

Objectives: To retrospectively evaluate feasibility and safety of CT-guided percutaneous radiofrequency ablation (RFA) of metastatic lymph nodes (LN) in terms of achieving local tumor control. Methods: Institutional database research identified 16 patients with 24 metastatic LNs who underwent percutaneous CT-guided radiofrequency ablation. Mean patient age was 66.6 ± 15.70 years (range 40–87) and male/female ratio was 8/8. Contrast-enhanced CT or MRI was used for post-ablation follow-up. Patient and tumor characteristics and RFA technique were evaluated. Technical and clinical success on per tumor and per patient basis as well as complication rates were recorded. Results: Mean size of the treated nodes was 1.78 ± 0.83 cm. The mean number of tumors per patient was 1.5 ± 0.63. The mean procedure time was 56.29 ± 24.27 min including local anesthesia, electrode(s) placement, ablation and post-procedural CT evaluation. Median length of hospital stay was 1.13 ± 0.34 days. On a per lesion basis, the overall complete response post-ablation according to the mRECIST criteria applied was 75% (18/24) of evaluable tumors. Repeat treatment of an index tumor was performed on two patients (three lesions) with complete response achieved in 87.5% (21/24) of evaluable tumors following a second RFA. On a per patient basis, disease progression was noted in 10/16 patients at a mean of 13.9 ± 6.03 months post the ablation procedure. Conclusion: CT-guided percutaneous RFA for oligometastatic LNs is a safe and feasible therapy. Advances in knowledge: With this percutaneous therapeutic option, metastatic LNs can be eradicated with a very low complication rate.

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