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Rare Pulmonary Tumors and Carcinoma Mimickers; Experience from an Interventional Radiology Unit with Radiologic-pathologic Correlation- A Pictoral Essay

[ Vol. 17 , Issue. 10 ]

Author(s):

Emre Ünal *, Sevtap Arslan *, Gulnar Aghayeva , Yasin Sarıkaya , Türkmen Çiftçi , Sevgen Önder , Devrim Akıncı and Okan Akhan   Pages 1183 - 1190 ( 8 )

Abstract:


Background: Although imaging findings along with patients’ clinical history may give a clue for the etiology of a pulmonary lesion, the differentiation of benign pulmonary lesions from lung cancer could be challenging.

Objective: The aim of this review article was to increase the awareness of carcinoma mimicking lung lesions.

Methods: This paper was designed to illustrate rare pulmonary tumors and carcinoma mimickers with emphasis on radiologic-pathologic correlation. Pitfalls encountered on CT images and also false positivity of PET-CT scans were also presented.

Conclusion: Several benign pulmonary lesions may grow in size on follow-up and some may show pathologic FDG (18F-fluorodeoxyglucose) uptake, which makes them indistinguishable from lung carcinoma by imaging. In addition, some slow-growing malignant lesions, such as carcinoid, may be false-negative on PET/CT scans.

Keywords:

Lung cancer, CT, benign pulmonary tumors, percutaneous transthoracic biopsy, MRI, PET/CT scan.

Affiliation:

Department of Radiology, School of Medicine, Hacettepe University, Ankara, Department of Radiology, School of Medicine, Hacettepe University, Ankara, Department of Radiology, School of Medicine, Hacettepe University, Ankara, Department of Radiology, Afyonkarahisar Health Sciences University, Afyonkarahisar, 03217, Department of Radiology, School of Medicine, Hacettepe University, Ankara, Department of Pathology, School of Medicine, Hacettepe University, Ankara, Department of Radiology, School of Medicine, Hacettepe University, Ankara, Department of Radiology, School of Medicine, Hacettepe University, Ankara

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