• Title/Summary/Keyword: Cytopathology

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Fine Needle Aspiration Cytology of Hepatoblastoma -Report of Two Cases- (간아세포종의 세침흡인 세포학적 소견 -2예 증례보고-)

  • Park, Young-Nyun;Lee, Kwang-Gil;Park, Chan-Il
    • The Korean Journal of Cytopathology
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    • v.1 no.1
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    • pp.98-102
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    • 1990

  • Hepatoblastoma (HB) is a rare embryonic malignant tumor of the liver. Most morphological studies on HB have limited to the histological characteristics and only 3 cases of HB have been described in the cytology literature. We present 2 cases of HB occurring in children aged 1 year and 3 years, respectively. The distinctive cytologic features of fine needle aspiration of HB were clusters of tumor cells showing acinar and trabecular pattern, smaller tumor cells with a high nuclear-cytopalsmic ratio and hyperchromatic nuclei having prominent nucleoli, and the presence of extramedullary hematopoiesis and osteoid material. These features were also found in the cell block and the biopsy specimen, and appeared very useful in the differentiation of HB from hepatocellular carcinoma.

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Cytopathologic Diagnosis of Pulmonary Diseases by Transthoracic Fine Needle Aspiration Biopsy (경흉세침흡인 생검에 의한 폐질환의 세포병리학적 진단)

  • Park, In-Ae;Ham, Eui-Keun
    • The Korean Journal of Cytopathology
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    • v.1 no.1
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    • pp.27-35
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    • 1990

  • The authors report series of 360 cases of transthoracic fine-needle aspiration cytology (TFNA) from Oct. 1982, through Aug. 1986 at the Seoul National University Hospital. A diagnosis of neoplastic lesion was established in 50.3% of the cases. A non-neoplastic diagnosis was made in 38.5%, nondiagnostic one in 6.5% and inadequate one in 4.7% of the total. Statistical findings on cytological diagnoses were as follows. Specificity was 100% ; sensitivity, 92% ; predictive value for positive, 1.0 ; predictive value for negative, 0.9 ; concordance rate, 84.2% ; diagnostic accuracy in non-neoplastic lesion, 65.4%, and typing accuracy in malignant tumor, 0.77.

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