Ureteral Washing Cytology of Localized Ureteral Amyloidosis - A Case Report-

요관 세척 세포학적 검사로 진단된 요관 아밀로이드증 - 1 예 보고 -

  • Lee, Won-Ae (Department of Pathology, National Health Insurance Corporation Ilsan Hospital) ;
  • Kie, Jeong-Hae (Department of Pathology, National Health Insurance Corporation Ilsan Hospital) ;
  • Jeen, Yoon-Mi (Department of Pathology, National Health Insurance Corporation Ilsan Hospital) ;
  • Lee, Mi-Kyung (Department of Pathology, National Health Insurance Corporation Ilsan Hospital)
  • 이원애 (국민건강보험공단 일산병원 병리과) ;
  • 기정혜 (국민건강보험공단 일산병원 병리과) ;
  • 진윤미 (국민건강보험공단 일산병원 병리과) ;
  • 이미경 (국민건강보험공단 일산병원 병리과)
  • Published : 2002.06.30

Abstract

Localized amyloidosis of the ureter is rare and clinically confused with neoplasm. We describe a case of localized amyloidosis of the ureter in which the presence of amyloid was detected in ureteral washing cytology. A 75-year-old female presented with gross hematuria. Abdominal CT and retrograde pyelography revealed hydronephrosis and hydroureter on the left side with abrupt narrowing of the distal ureter. Ureteral washing cytology yielded a hypocellular smear with many irregular clumps of amorphous, extracellar, waxy material. Biopsy sections demonstrated submucosal deposits of eosinophilic amorphous material which gave characteristic apple green birefringence with Congo-red stain under the polarized light. Familarity with the cytologic features of amyloid is helpful for preoperative diagnosis and proper treatment.

Keywords

References

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