Carl S. Rubin

Ultrasound appearance of myositis ossificans

Ultrasonic evaluation of a soft tissue mass of the thigh was performed and suggested the diagnosis of myositis ossificans. Correlation with routine radiographic studies is made, as well as with the follow-up radiographic examination.

Ultrasonic Mammography Parenchymal Patterns: A Preliminary Report1

Ultrasound has been suggested as a lower risk alternative to mammography for detecting breast abnormalities. Mammograms and ultrasonograms of 32 women patients were compared, revealing three distinct ultrasonic parenchymal patterns which corresponded to previously reported mammographic patterns: fatty (N1), ductal (P1 or P2), and dysplastic (DY). These constitute a new system of parenchymal classification, to our knowledge.

Ultrasound evaluation of the posterior pelvic compartment.

The posterior pelvic compartment, defined as consisting primarily of the rectosigmoid colon and peritoneal-lined cul-de-sac, was evaluated in 104 patients. Tumors and pseudotumors (fluid- and feces-filled loops of bowel) were ultrasonographically analyzed according to: (a) morphology and echo characteristics, and (b) location within either the cul-de-sac or rectosigmoid colon. On routine examination, a striking similarity between pathological processes and pseudotumors was demonstrated; these were diagnosed correctly only by the use of a technique in which the rectosigmoid colon is filled with water. Combined distension of the urinary bladder and rectosigmoid colon also enabled localization and differentiation of abnormalities within the cul-de-sac.

Computed tomography of the kidneys

Abstract Computed tomography has assumed an important role in evaluating renal disorders. It is especially suited to the study of masses suspected of containing fat, parapelvic masses, displacement or malposition of the urinary tract and kidneys which are poorly visualized by other means. The need for correlation with clinical findings and other imaging methods is stressed.

Abdominal Compression: A New Technique for Improved Computed Tomographic Images

A technique utilizing abdominal compression during CT scanning with resultant improvement in image quality is described. Advantages included decrease or elimination of streak artifacts; differentiation of nonopacified bowel from other soft tissue densities; and better delineation of tissue planes.