[Subacromial impingement syndrome and rotator cuff tear. Ultrasonography of 140 cases].

We investigated the role of rotator cuff impingement in causing tears of supraspinatus and biceps tendons and the comparative reliability of plain radiography and sonography (US). One hundred forty patients with symptoms referrable to the rotator cuff were examined with plain radiography and US of the shoulder. US findings were correlated with MR or double contrast arthrography results in 10 patients and 39 patients were submitted to surgery (acromionplasty).

[A new digital radiology system. The technical considerations and clinical experience].

The authors report their experience with a new digital X-ray film processing system, particularly used in the diagnosis of breast, chest, joint and bone pathologic conditions. The technical features of the system are described, and the results are reported which appear as the most significant in mammography, with better visualization of both microcalcifications and small detail images. The above results are due to the possibility of broad contrast variations and of processing basal X-ray images.

[Urography with non-ionic contrast media. Multicenter experience on the optimization of the technic].

The authors report the results of a multicentric experience based on 1200 urograms performed with nonionic contrast medium. The global diagnostic reliability is evaluated, together with the specific reliability for kidneys, ureters, and bladder, according to the various pathologies. The eventual need of radiographs of completion is showed.

[Ureteral duplication and anomalous symptomatology. Presentation of a case].

The authors report a case of unilateral ureteral duplication with extravesical ureteral orifice evaluated with sonography and confirmed by surgery. The peculiarity of the case is founded on the anomalous clinical findings with poorly significant uroculture and the apparent discrepancy between sonographic and urographic finding. The important rule of sonographic evaluation in early diagnosis of kidney malformations is confirmed.