CT-guided fine needle suction to diagnose liver disease is highly accurate

at the 2007 annual meeting of the American Society for Clinical Pathology (ASCP), American scholars reported that CT-guided needle suction (FNA) cytology tests are highly accurate in assessing liver lesionsBecause of its high sensitivity and specificity, FNA is commonly used to diagnose liver lesionsThe sensitivity of the examination is 67% to 100%, and the specificity is 80% to 100%Wu, apathology consultant at Ball MemorialHospital in Indiana, said that while the IHC is also very effective, it is difficult to explain lesions with too small sample sizesDrWu and colleagues conducted a retrospective studyIncorporated 391 consecutive CT-guided FNA biopsies conducted between 1996 and 2005According to the diagnosis, the cases are divided into four categories: benign, uncertain, undiagnosed and malignantOf the 391 cases diagnosed, 73% (286) were malignant, 7% (21) were primarytumors, 88% (252) were metastatictumors, and 5% (13) were unknown diagnosesThe most common metastatictumors were adenocarcinoma (127 cases), neuroendocrine cancer (55 cases), low-differentiated tumors (41 cases) and lymphoma (11 cases) In the study, Dr Wu said, the CT-guided liver FNA diagnosis rate was 95 percent, sensitivity was 99 percent, and specificity was 100 percent In his research institute, FNA diagnosed the most common liver lesions as metastatic tumors The most common primary sites of metastatic tumors are the lungs, colon and pancreas Adenocarcinoma is the most common malignant metastatic tumor of the liver