Computed tomography in the evaluation of spinal aneurysmal bone cyst.

Computed tomographic findings in three cases of aneurysmal bone cyst (ABC) are reported. Although conventional radiography is usually adequate in the demonstration of an expansile osteolytic cavity, CT may provide additional information about tumour characteristics, localization and extent, show the lesion's relation to the spinal cord and thus be of great help in preoperative planning.

CT characterization of multivesicular hydatid cysts.

One hundred seventy-eight abdominal multivesicular hydatid cysts were classified into three types (A, B, C) based on CT densities and morphology of cysts. The CT density of viable daughter cysts was always appreciably lower than those of mother hydatid cysts. This density differential between mother and daughter hydatid cyst fluid is a useful diagnostic sign.

The diagnostic value of xero-mammography in clinically occult breast carcinoma.

Seventy-four clinically occult breast carcinomas were detected in 7535 patients who were examined clinically and by xeromammography. The criteria by which a diagnosis of clinically occult breast carcinoma was established are described in detail. The most frequent finding of a clinically occult breast carcinoma in the xeromammogram was an irregular mass density 1 cm in diameter or less with microcalcifications.

Computed tomography of ovarian carcinoma.

Forty-seven patients with ovarian carcinoma were examined with computed tomography (CT). Fourteen were evaluated before laparotomy (group I), 25 following surgical treatment (group II), and 8 were followed by CT in the course, or following chemotherapy with or without radiation therapy (group III). CT provided accurate estimates of the size, shape and structure of the ovarian tumor in 8 patients in group I and contributed to diagnosis in 3 others.