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Immunoglobulin G4-related paratesticular fibrous pseudotumor and retroperitoneal fibrosis: a case report.

Abstract
A 46-year-old man with a past history of retroperitoneal fibrosis was admitted with an enlarged, hard right testis. The paratesticular lesion showed heterogeneous hypoechogenicity on ultrasonography, low signal intensity on T1- and T2-weighted magnetic resonance imaging (MRI), and lack of diffusion restriction on diffusion-weighted MRI. Following steroid treatment, the paratesticular mass was decreased in size on follow-up computed tomography. The radiologic and clinical features are recognized as a manifestation of immunoglobulin G4-related sclerosing disease involving the paratesticular region and retroperitoneum.
AuthorsKi Hwan Kim, Deuk Jae Sung, Na Yeon Han, Beom Jin Park, Min Ju Kim, Sung Bum Cho, Je Jong Kim
JournalUrologia internationalis (Urol Int) Vol. 94 Issue 3 Pg. 369-72 ( 2015) ISSN: 1423-0399 [Electronic] Switzerland
PMID25138678 (Publication Type: Case Reports, Journal Article)
Copyright2014 S. Karger AG, Basel
Chemical References
  • Immunoglobulin G
Topics
  • Diffusion Magnetic Resonance Imaging
  • Humans
  • Immunoglobulin G (metabolism)
  • Magnetic Resonance Imaging
  • Male
  • Middle Aged
  • Neoplasms, Fibrous Tissue (complications, immunology, pathology)
  • Retroperitoneal Fibrosis (complications, immunology, pathology)
  • Retroperitoneal Space (pathology)
  • Sclerosis (complications, immunology, pathology)
  • Testicular Neoplasms (complications, immunology, pathology)
  • Testis (pathology)
  • Tomography, X-Ray Computed
  • Treatment Outcome

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