[The Result of Aortic Valve Plasty with Autologous Pericardium Using Sawazaki's Template].

The autologous pericardial aortic valve repair technique developed by Ozaki et al., using glutaraldehyde-treated autologous pericardium, has demonstrated superior durability to bioprosthetic valves. However, this technique has certain limitations, including excessive cusp height and cusp fluttering due to leaflet redunduncy.

Compact and transportable system for detecting lead-shielded highly enriched uranium using Cf rotation method with a water Cherenkov neutron detector.

The global challenge of on-site detection of highly enriched uranium (HEU), a substance with considerable potential for unauthorized use in nuclear security, is a critical concern. Traditional passive nondestructive assay (NDA) techniques, such as gamma-ray spectroscopy with high-purity germanium detectors, face significant challenges in detecting HEU when it is shielded by heavy metals. Addressing this critical security need, we introduce an on-site detection method for lead-shielded HEU employing a transportable NDA system that utilizes the Cf rotation method with a water Cherenkov neutron detector.

[Mid-ventricular Hypertrophic Obstructive Cardiomyopathy in a Patient Whose Hemodynamics Were Exacerbated by Forward Shift of the Posterior Leaflet Caused by Mitral Annular Calcification].

A 82-year-old woman came to our hospital because of orthopnea and cardiac cachexia. Echocardiography revealed a pressure gradient of 50 mmHg at the left ventricular outflow tract and that of 78 mmHg at the mid-ventricle. Systolic anterior motion of the mitral leaflet caused by mitral annular calcification and severe mitral regurgitation( MR) were observed.

New data processing method for nuclear material measurement using pulsed neutrons.

Active neutron methods using pulsed neutrons are used to detect the presence of nuclear materials. In this study, we investigated a new data processing method and compared its performance to a conventional method. It is shown that the new method offers a significant reduction in measurement time and an increased sensitivity.

A case of gallbladder adenocarcinoma arising in association with intracystic papillary neoplasm (ICPN) with abundant mucin production.

Intracystic papillary neoplasm (ICPN) of the gallbladder is a rare clinicopathological entity with a wide range of malignant potentials. Here, we report a case of mucin-producing gallbladder carcinoma possibly derived from ICPN. A 78-year-old female patient was referred to our hospital for examination of jaundice.