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Tytuł pozycji:

The role of MRI in the early evaluation of lung microwave ablation.

Tytuł:
The role of MRI in the early evaluation of lung microwave ablation.
Autorzy:
Roman A; a Department of Diagnostic and Interventional Radiology , University Hospital , Frankfurt am Main , Germany.; b Department of Radiology , Iuliu Hatieganu University of Medicine and Pharmacy Cluj-Napoca , Romania.
Kaltenbach B; a Department of Diagnostic and Interventional Radiology , University Hospital , Frankfurt am Main , Germany.
Gruber-Rouh T; a Department of Diagnostic and Interventional Radiology , University Hospital , Frankfurt am Main , Germany.
Naguib NN; a Department of Diagnostic and Interventional Radiology , University Hospital , Frankfurt am Main , Germany.; c Department of Diagnostic and Interventional Radiology , University of Alexandria , Alexandria , Egypt.
Vogl TJ; a Department of Diagnostic and Interventional Radiology , University Hospital , Frankfurt am Main , Germany.
Nour-Eldin NA; a Department of Diagnostic and Interventional Radiology , University Hospital , Frankfurt am Main , Germany.; d Department of Diagnostic and Interventional Radiology , Cairo University Hospital , Cairo , Egypt.
Źródło:
International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group [Int J Hyperthermia] 2018 Sep; Vol. 34 (6), pp. 883-890. Date of Electronic Publication: 2017 Sep 20.
Typ publikacji:
Journal Article
Język:
English
Imprint Name(s):
Publication: London : Informa Healthcare
Original Publication: London ; Philadelphia : Taylor & Francis, c1985-
MeSH Terms:
Catheter Ablation/*methods
Lung Neoplasms/*diagnostic imaging
Magnetic Resonance Imaging/*methods
Microwaves/*therapeutic use
Female ; Humans ; Lung Neoplasms/pathology ; Lung Neoplasms/surgery ; Male ; Retrospective Studies
Contributed Indexing:
Keywords: MRI; Microwave ablation; follow-up; lung metastases
Entry Date(s):
Date Created: 20170908 Date Completed: 20190529 Latest Revision: 20190529
Update Code:
20240105
DOI:
10.1080/02656736.2017.1377354
PMID:
28877612
Czasopismo naukowe
Purpose: To retrospectively investigate the role of a contrast enhanced MRI (ceMRI) performed 24 h after a microwave ablation (MWA) of the lung, in predicting local tumour progression (LTP) and detecting complications compared to an unenhanced CT.
Material and Methods: Forty-nine patients who underwent MWA of 77 lung metastases between 2008 and 2015 were included. All patients received an unenhanced chest CT and a ceMRI (including T2 and ceT1) 24 h after MWA. The conspicuities of the peripheral rim and the ablated tumour were scored using 1-3 scales and compared between examinations. The safety margin was measured directly (both scores ≥2) and indirectly using a subtraction method. The ability of each imaging modality to predict LTP based on safety margin width was analysed using receiver operating characteristic curves. The MRI ability to detect a pneumothorax was compared to CT.
Results: The peripheral rim was best visualised on T2 followed by T1 and CT. The tumour was best visualised on CT, followed by T1 and T2. Direct safety margin measurement was possible on CT, ceT1 and T2 in 68.8%, 64.9% and 27.3% of cases, respectively. Direct CT (AUC = 0.77) and ceT1 (AUC = 0.76) measurements had better diagnostic performance than indirect CT (AUC = 0.72), ceT1 (AUC = 0.70) and T2 (AUC = 0.69) measurements. The MRI sensitivity and specificity for pneumothorax were 60.8% and 87.0%, respectively. Only one pneumothorax >1 cm was missed.
Conclusions: A ceMRI performed 24 h after MWA of lung tumours has a similar ability to predict LTP and detect important complications as a CT has.
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