DEMONSTRATION OF LIPIODOL IN PARAFFIN SECTIONS USING A MODIFIED SILVER IMPREGNATION TECHNIQUE

被引:12
作者
ARNOLD, MM
WALLACE, AC
KREEL, L
LI, MKW
机构
[1] CHINESE UNIV HONG KONG, PRINCE WALES HOSP, DEPT DIAGNOST RADIOL & ORGAN IMAGING, SHA TIN, HONG KONG
[2] CHINESE UNIV HONG KONG, PRINCE WALES HOSP, DEPT SURG, SHA TIN, HONG KONG
关键词
Hepatocellular carcinoma; Lipiodol®; Paraffin sections; Silver nitrate impregnation;
D O I
10.1093/ajcp/94.5.585
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
To demonstrate postangiographic Lipiodol® (LIP) in hepatocellular carcinoma (HCC) in paraffin sections, direct impregnation of formalin-fixed tissue blocks with silver nitrate (AgNO3) was followed by routine processing. LIP appeared as black globules in the sinusoids. Ninety-four tissue blocks from 13 postangiographic LIP HCCs and 69 from 8 non-LIP HCCs and 4 fatty livers were studied. Seventy-two of 73 negative controls and all positive blocks as seen on soft tissue radiographs (STRs) were correctly coded (specificity 98.6%, sensitivity 100%). Twenty-six of the 44 LIP-negative areas on STRs from LIP cases contained scanty globules of less than 10 μm in diameter. Fatty change gave no positive readings. Thus, modified AgNO3 impregnation is a simple, accurate means of detecting LIP in high-quality paraffin sections suitable for tumor diagnosis and, if applied to postangiographic LIP, ultrasonographically guided liver biopsy, can verify that a biopsy has reached a suspected tumor focus.
引用
收藏
页码:585 / 589
页数:5
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