Cytoplasmic Staining of TTF-1 Antibody in the   Diagnosis of Hepatocellular Carcinoma: Study on 299 Cases   Using Tissue Microarray

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Case group</td><td align="center">% of positive staining</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">HCC</td><td align="center">55.2% (165/299)</td></tr><tr><td align="left">ICC</td><td align="center">6.4% (2/31)</td></tr><tr><td align="left">MAC</td><td align="center">3.5% (3/86)</td></tr><tr><td align="left">mHCC</td><td align="center">60% (3/5)</td></tr><tr><td align="left">RCC</td><td align="center">0% (0/40)</td></tr><tr><td align="left">HB</td><td align="center">33.3% (3/9)</td></tr><tr><td align="left">Adjacent non-neoplastic hepatic tissue</td><td align="center">99.0% (213/215)</td></tr><tr><td align="left">Normal hepatic tissue</td><td align="center">95.8% (93/96)</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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Table 3: Cytoplasmic Staining of TTF-1 Antibody in the   Diagnosis of Hepatocellular Carcinoma: Study on 299 Cases   Using Tissue Microarray 