When the available statistical information is imperfect, it is dangerous to follow standard optimisation procedures to construct an optimal portfolio, which usually leads to a strong concentration of the weights on very few assets. We propose a new way, based on gener-alised entropies, to ensure a minimal degree of diversiication.

Contrast echocardiography is based on intravenous injection of microbubbles that act as blood flow tracers and increase ultra-sound signal. Contrast agents have shown to improve cardiac cavities opacification and endocardial border delineation in addition to helping perfusion evaluation. Contrast echocardiography has recently been used to evaluate cardiac masses. In this report we will describe...

Cardiac masses always represented a diagnostic challenge for clinicians. The distinction between the different types of intracardiac masses, including thrombi, vegetation and tumors, is an important step in providing therapeutic and prognostic information to the patient. Transthoracic 2D echocardiogram is the primary diagnostic tool used widely to detect and evaluate intracardiac mass and the c...

The purpose of this article is to provide a current review of the spectrum of multidetector CT (MDCT) and MRI findings for a variety of cardiac neoplasms. In the diagnosis of cardiac tumors, the use of MDCT and MRI can help differentiate benign from malignant masses. Especially, the use of MDCT is advantageous in providing anatomical information and MRI is useful for tissue characterization of ...

Fetal cardiac rhabdomyoma is a rare disease, and most of the cases are detected incidentally during antenatal ultrasound. This case discovered ultrasonography at 29 weeks gestation. Multiple hyperechoic round shape masses were seen in cardiac. After birth, baby had been under paediatric cardiologist follow-up with regular echocardiography. Management was mainly conservative time being as there ...

Objective: To evaluate the role of Cardiac Magnetic Resonance Imaging in differentiating cardiac masses (thrombus vs tumor and benign malignant tumor) local population.
 Study Design: Analytical cross-sectional study.
 Place Duration Study: Tertiary Care Center, Department Imaging, Rawalpindi Pakistan, from Oct 2017 to Jun 2021.
 Methodology: This retrospective study included (n=...

BACKGROUND Echocardiography is used for identification of cardiac tumors and presumptive diagnoses often are made based on the location of identified masses. OBJECTIVES To determine the accuracy of echocardiographically based presumptive diagnoses of cardiac tumors when compared with clinicopathologic or histopathologic definitive diagnoses. ANIMALS A total of 24 client-owned dogs having a ...