J Res Clin Med. 2021;9(1): 19.
doi: 10.34172/jrcm.2021.019
  Abstract View: 179
  PDF Download: 181

Original Article

Computed Tomography and PET/CT Features Of Pulmonary Hamartomas

Yeliz Dadalı 1 ORCID logo, Sercan Özkaçmaz 2* ORCID logo, Özlem Özmen 3 ORCID logo, Funda Demirağ 4 ORCID logo

1 Department of Radiology, Ahi Evran University Faculty Of Medicine, Kirsehir, Turkey
2 Yüzüncü Yıl University Faculty Of Medicine Department Of Radiology. Bardakçı Village Van/Turkey
3 Departments of Nuclear Medicine, University of Health Sciences Atatürk Chest Diseases and Thoracic Surgery Training and Research Hospital, Ankara, Turkey
4 Departments of Pathology, University of Health Sciences Atatürk Chest Diseases and Thoracic Surgery Training and Research Hospital, Ankara, Turkey


Background: In this study, we aimed to examine the Computed Tomography (CT) and 18F-fluorodeoxyglucose positron emission tomography/computerized tomography (FDG PET/CT) findings of the pulmonary hamartomas
Methods: Histopathologically (after surgical excisional, transbronchial, or transthoracic biopsy) proven pulmonary hamartomas in our institute between 2007 and 2013 were reviewed retrospectively. The CT and PET/CT images were interpreted regarding the lesion diameter, number, location, components and standardized uptake values (SUVmax).
Results: A total of 22 (2 endobronchial and 20 parenchymal) hamartomas detected in 21 (11 males and 10 females) patients (an endobronchial and a parenchymal lesion in the same patient). Right lung (63,7%) involvement was common than left lung (36,4%) and upper lobes (50%) involvement than lower lobes (25%). 54,5% of the lesions has smooth margins while 40,9% have lobulated contour and 4.5% had irregular margins. Fat density was observed in 54,5% and calcification in 40.9%. In 18.2% of the lesions neither fat density nor calcification was seen. There was no FDG uptake in 5 lesions. Mean SUVmax value was 1.6±1.0 (range between 0 and 3,2). A SUVmax value > 2.5 was observed in 5 ones
Conclusion: Our results were generally consistent with previous reports. But we found a higher female/male ratio and and more common upper lobes involvement of pulmonary hamartoma
Keywords: Pulmonary hamartoma, Computed Tomgraphy, PET/CT, SUV max, calcification, fat density
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Submitted: 22 Jan 2021
Revision: 24 Jan 2021
Accepted: 12 Mar 2021
ePublished: 03 May 2021
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