Ascitic fluid cytology of yolk sac tumor of the ovary

DOI 1 Citations 17 References
  • DOI Mieko
    Department of Pathology, Saitama Medical University Hospital
  • SHIMIZU Yoshihiko
    Department of Pathology, Saitama Cardiovascular and Respiratory Center
  • MITSUHASHI Tomoko
    Department of Surgical Pathology, Hokkaido University Hospital
  • KINNO Mineko
    Department of Pathology, Saitama Medical University Hospital
  • KAYANO Hidekazu
    Department of Pathology, Saitama Medical University Hospital Department of Pathology, Saitama Medical University
  • SASAKI Atsushi
    Department of Pathology, Saitama Medical University Hospital Department of Pathology, Saitama Medical University
  • YASUDA Masanori
    Department of Pathology, Saitama Medical University Hospital Department of Pathology, Saitama Medical University Department of Pathology, Saitama Medical University, International Medical Center
  • SHIMIZU Michio
    Department of Pathology, Saitama Medical University Hospital Department of Pathology, Saitama Medical University Department of Pathology, Saitama Medical University, International Medical Center

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  • 腹水中に出現した卵巣 yolk sac tumor の細胞像の検討

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Abstract

Background : Yolk sac tumors rarely occur in ascitic fluid cytology specimens. We analyzed cytologic features in such cases and compared them to those in imprint cytology of resected specimens.<br>Case : Ascitic fluid cytology specimens were obtained from two patients (10 and 42 years old) with yolk sac tumor of the ovary. Hemorrhagic, necrotic background was observed in the imprint cytology, whereas histiocytes were seen in the ascitic fluid cytology. Irregular cohesive three-dimensional cell balls were noted in both the imprint specimens and the ascitic fluid specimens. Channels folded over several times like a long, narrow balloon pinched at its jonts, i.e. “balloon animal”-like cell clusters, acute-angled cytological atypia, and hyaline globules were also observed in both specimens. Regarding the nucleoli, the imprint cytology showed conspicuous nucleoli while the ascitic fluid cytology showed inconspicuous nucleoli.<br>Conclusion : Important findings in diagnosing yolk sac tumors in ascetic fluid specimens are so-called “balloon-animal”-like cell clusters, acute-angled cytological atypia, and hyaline globules, in conjunction with clinical information.

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