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Current Medical Imaging

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ISSN (Print): 1573-4056
ISSN (Online): 1875-6603

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

Author(s): Emre Ünal *, Sevtap Arslan *, Gulnar Aghayeva , Yasin Sarıkaya , Türkmen Çiftçi , Sevgen Önder , Devrim Akıncı and Okan Akhan

Volume 17, Issue 10, 2021

Published on: 19 April, 2021

Article ID: e200421192920 Pages: 8

DOI: 10.2174/1573405617666210420105624

Price: $65

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.

Graphical Abstract

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