The Korean Journal of Cytopathology (대한세포병리학회지)

The Korean Society for Cytopathology (대한세포병리학회)
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Fine Needle Aspiration Cytology of Subacute Granulomatous Thyroiditis -A Clinico-Cytological Review of 10 Cases with Immunocytochemical Analysis-

아급성 육아종성 갑상샘염의 세침흡인 세포소견 -아급성 육아종성 갑상샘염 10예의 임상-세포소견 및 면역세포염색 소견 분석-

  • Kim, Do-Kyung (Departments of Pathology, Yonsei University School of Medicine, YongDong Severance Hospital) ;
  • Pyo, Ju-Yeon (Departments of Pathology, Yonsei University School of Medicine, YongDong Severance Hospital) ;
  • Park, Jong-Pil (Departments of Pathology, Yonsei University School of Medicine, YongDong Severance Hospital) ;
  • Jin, Lian-Hua (Departments of Pathology, Yonsei University School of Medicine, YongDong Severance Hospital) ;
  • Jeong, Woo-Hee (Departments of Pathology, Yonsei University School of Medicine, YongDong Severance Hospital) ;
  • Son, Eun-Ju (Departments of Diagnostic Radiology, Yonsei University School of Medicine, YongDong Severance Hospital) ;
  • Hong, Soon-Won (Departments of Diagnostic Radiology, Yonsei University School of Medicine, YongDong Severance Hospital)
  • 김도경 (연세대학교 의과대학 영동세브란스병원 진단병리과) ;
  • 표주연 (연세대학교 의과대학 영동세브란스병원 진단병리과) ;
  • 박종필 (연세대학교 의과대학 영동세브란스병원 진단병리과) ;
  • 김연화 (연세대학교 의과대학 영동세브란스병원 진단병리과) ;
  • 정우희 (연세대학교 의과대학 영동세브란스병원 진단병리과) ;
  • 손은주 (연세대학교 의과대학 영동세브란스병원 영상의학과) ;
  • 홍순원 (연세대학교 의과대학 영동세브란스병원 진단병리과)
  • Published : 2008.03.31
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Abstract

Although subacute granulomatous thyroiditis(SGT) is usually diagnosed clinically, papillary carcinoma or other thyroid conditions must be considered in the differential diagnosis. We retrospectively reviewed the clinical and fine-needle aspiration(FNA) cytologic findings seen in 10 SGT cases to decide what are the most reliable cytologic findings and the most helpful molecular tools for reaching a confident cytologic diagnosis. The most representative smear slides were retrieved to perform immunocytochemistry for cytokeratin 19(CK19) and Ret protein. Five papillary carcinomas(PTCs) were included as controls. The constant and typical cytologic findings of SGT were multinucleated giant cells(MGCs) (100%), epithelioid granulomas(90%), an inflammatory dirty background(90%) and plump transformed follicular cells(80%) without fire-flare cells, oncocytic cells or transformed lymphocytes. The immunoreactivities for CK19(37.5%) and Ret(10%) of the follicular cells of SGT were less than those(CK19 and Ret:100%) of PTC. CK19 immunoreactivity of the MGCs was seen in only one case of PTC. There was no significant difference between CK19 and Ret immunocytochemical staining for the MGCs of both SGT and PTC. The results of this study demonstrate that the cytological diagnosis of SGT can be improved by employing a combination of the typical and constant diagnostic cytological features and immunocytochemical results.

Keywords

References

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