Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Sclerosing Pneumocytoma with a Wax-and-Wane Pattern of Growth: A Case Report on Computed Tomography and Magnetic Resonance Imaging Findings and a Literature Review

  • Kim, Yong Pyo (Department of Radiology and the Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine) ;
  • Lee, Sungsoo (Department of Thoracic and Cardiovascular Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine) ;
  • Park, Heae Surng (Department of Pathology, Gangnam Severance Hospital, Yonsei University College of Medicine) ;
  • Park, Chul Hwan (Department of Radiology and the Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine) ;
  • Kim, Tae Hoon (Department of Radiology and the Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine)
  • Received : 2014.08.18
  • Accepted : 2015.04.21
  • Published : 2015.08.01
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Abstract

Sclerosing pneumocytoma (SP) of the lung is a rare benign neoplasm. Here, we describe an unusual presentation of SP with a wax-and-wane pattern of growth in a 47-year-old woman. Tumor diameter decreased over a 3-year follow-up period and then increased on serial follow-up computed tomography scans. The mass showed high signal intensity on both T1- and T2-weighted chest magnetic resonance imaging (MRI) and early enhancement with a plateau on dynamic MRI. We speculate that intratumoral bleeding and resorption processes accounted for the changes in tumor size.

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References

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