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Biomedical subjects

G Angelelli

Publications and source records attributed to G Angelelli.

61 records · Page 4Linked to original sources
PubMedDate not supplied

[Esophagogastric devascularization in bleeding esophageal varices due to portal hypertension: median-term results].

The authors report their personal experience in the treatment of bleeding gastroesophageal varices related to portal hypertension. The excellent results of the esophagogastric devascularization observed in the middle-term follow-up (5 years) reinforced authors' opinion on this surgical procedure as the most valid alternative to derivative surgery. Furthermore, they emphasize esophagogastric devascularization can often replace, on principle, derivative surgery.

Esophageal and Gastric Varices↗
PubMedDate not supplied

[Computerized tomography for the study of lesions of the digestive system wall].

The authors investigated the role of CT in the study of intrinsic mural pathologic conditions originating from submucosal/muscular layers and of extrinsic conditions due to extraintestinal disease with secondary spread to the alimentary tract. According to the various diagnostic problems, either hypodense contrast agents (air, corn-oil emulsion, and water) or hyperdense contrast agents (iodine solutions, and barium suspensions) can be used to fill intestinal guts. Normal intestinal wall thickness does not exceed 5 mm. In case of intrinsic mural conditions, CT allows tumor extent to be evaluated, and, on the basis of densitometric values, makes the diagnosis of lipoma possible. As for intrinsic conditions (varices), CT yields specific findings. This is not the case with intestinal infarction, intramural hematoma, and phlogistic conditions, where CT generally shows aspecific parietal thickness. As for extrinsic mural conditions, CT demonstrates alimentary tract involvement due to phlogistic/neoplastic extraintestinal conditions, for it allows intestinal guts to be depicted, and the adjacent organs and structures. CT is a complementary method to conventional radiology and endoscopy which has given an excellent contribution to the study of mural pathologic conditions.

Digestive System↗
PubMedDate not supplied

[Significance of computerized tomography in the study of Crohn disease].

Twenty-six patients affected with Crohn's disease were studied by means of CT. The method demonstrated transmural fistulas in 2 cases, and bowel wall thickening in all patients. In our series of cases, the advantages of CT over conventional radiology lay in the fact that the former allowed the evaluation of associated mesenteric pathologies (e.g. fibrofatty proliferation, and adenopathies) and demonstrated the presence of abscesses in 4 case. CT findings were in agreement with those from conventional contrast studies in the demonstration of entero-enteric fistulas, whereas they yielded additional information in the study of entero-muscular fistulas. Associated pathologies in other organs were found in 5 patients--i.e. fatty infiltration of the liver and cholelithiasis. CT is not useful in demonstrating early mucosal damage in Crohn's disease, but it should be regarded as a complementary method to conventional barium studies. As a matter of fact, CT is fundamental in the evaluation of associated mesenteric pathologies and of other complications which can affect therapeutic management.

Adult↗
PubMedDate not supplied

[Difficulty in the differentiation of renal parenchymal hyperechogenicity].

One hundred patients were examined: 70 with diffuse increased parenchymal echogenicity and 30 with focal increased echogenicity. The increase of echogenicity was assessed in degree and in diffuse increased parenchymal echogenicity were considered persistence or disappearance of the corticomedullary boundary. An increased diffuse echogenicity with distinctness of the corticomedullary boundary was observed in chronic GNF (36), nephroangiosclerosis (15) and amyloidosis. Diffuse increased echogenicity without distinctness of the corticomedullary boundary was observed in uratic interstitial nephropathy (13) and in chronic GNF with advanced lesions (4). Focal increased echogenicity occurred in chronic pyelonephritis (11), in tumors (18) and in renal tuberculosis (1). Renal carcinomas showed an echogenicity of I degree in 7 cases and an echogenicity of II degree in 1 case. The angiomyolipomas always showed an echogenicity of II degree, as did the liposarcoma. Differential diagnosis among parenchymal renal diseases which are responsible for diffuse increased echogenicity is impossible; in fact there is no correlation between the degree of renal parenchymal echogenicity and type of the disease. The focal increased echogenicity caused by chronic pyelonephritis is correctly diagnosed using ultrasound. The hyperechogenic tumors, at present, cannot be characterized on the basis of the sonographic features.

Chronic Disease↗