Article

Benign hepatic tumors and cysts in women using oral contraceptive agents

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Abstract

Benign hepatic tumors in women taking oral contraceptive agents have been reported in increasing numbers. Considering the number of women taking contraceptive agents, the incidence of these tumors is low. Previously, a definitive diagnosis of a benign hepatic tumor or cyst could be made only by laparotomy and open biopsy. However, with the advent of whole body computed tomography (CT) an earlier diagnosis may be possible and laparotomy for diagnostic purposes may be unnecessary. Two cases are reported and a review of the literature is included.

Method and equipment

The CT scanner used in the study was the whole body Delta unit (Delta 50, Ohio Nuclear Corporation, Solon, Ohio). This scanner obtains two simultaneous 13-mm transverse slices in approximately 2½ minutes and scans in air through an arc of 180 degrees. CRT and digital display are shown on a 256-square matrix. The Delta scanner is also equipped with a color display. Other technical features have previously been described.1 Respiratory motion was not limited. The patients were examined in the supine and right lateral decubitus positions following the intravenous administration of 100 cc Renografin 60. Early experience with contrast injection has confirmed the enhancement of the differential attenuation coefficients of normal and abnormal tissues in certain patients. In addition, a “cursor circle” can measure Delta attenuation numbers of any specific area on the CRT display. In this way, the mean density of the contents of the circle can be obtained. This is valuable in discriminating between solid and cystic components of . . .


 

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