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. 2012 Sep;199(3):W331-4.
doi: 10.2214/AJR.11.8056.

Chemical-shift MRI of pulmonary hamartomas: initial experience using a modified technique to assess nodule fat

Bruno Hochhegger  1 , Edson Marchiori, Daniela Quinto dos Reis, Arthur Soares Souza Jr, Luciana Soares Souza, Taua Brum, Klaus L Irion
Affiliations

Chemical-shift MRI of pulmonary hamartomas: initial experience using a modified technique to assess nodule fat

Bruno Hochhegger et al. AJR Am J Roentgenol. 2012 Sep.

Abstract

Objective: The aim of this study was to show the usefulness of chemical-shift MRI in the diagnosis of intranodular fat in seven patients with pulmonary hamartomas and indeterminate CT findings.

Conclusion: In the setting of chemical-shift MRI, the average nodule signal intensity index of pulmonary hamartomas was 45.3% (SD = 25.5%). The correlation between average nodule signal intensity and CT attenuation in Hounsfield units was -0.94. Chemical-shift MRI could be an important tool for the detection of fat in pulmonary hamartomas with inconclusive CT findings.

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