Journal of Radiology and Oncology ISSN: 2573-7724

Abstract

The absorption parameters such as total mass attenuation coefficients, molecular, atomic, and electronic cross sections, effective atomic numbers and electron densities were calculated for some selected enzyme inhibitors in the photon energy range from 1 keV up to 100 GeV.The changes in the absorption parameters were interpreted with the photoelectric effect, Compton scattering and pair production processes. It is observed that the 2-Imino-1-imidazolidineacetic acid enzyme inhibitor has more radiation shielding feature when compared to other chosen enzyme inhibitors. The present investigation is anticipated to be useful for researchers studying with radiation in several fields and cancer researchers.

Export Citation CrossMark Publons Harvard Library HOLLIS GrowKudos ResearchGate Base Search OAI PMH Academic Microsoft Scilit Semantic Scholar Universite de Paris UW Libraries SJSU King Library SJSU King Library NUS Library McGill DET KGL BIBLiOTEK JCU Discovery Universidad De Lima WorldCat VU on WorldCat

Abstract Read Full Article HTML DOI: 10.29328/journal.jro.1001009 Cite this Article

ABSTRACT

Chondromyxoid fibroma (CMF) is a very rare benign cartilaginous tumor representing less than 0.5% of all bone tumors while also being the rarest cartilaginous bone tumor. Common locations of occurrence include the metaphysial region of the proximal tibia and distal femur. We report a case of a 10-year-old female affected by a CMF of the left lower tibia.The radiological features demonstrated by X-ray and magnetic resonance imaging (MRI) are discussed.

INTRODUCTION

Export Citation CrossMark Publons Harvard Library HOLLIS GrowKudos ResearchGate Base Search OAI PMH Academic Microsoft Scilit Semantic Scholar Universite de Paris UW Libraries SJSU King Library SJSU King Library NUS Library McGill DET KGL BIBLiOTEK JCU Discovery Universidad De Lima WorldCat VU on WorldCat

Abstract Read Full Article HTML DOI: 10.29328/journal.jro.1001008 Cite this Article

ABSTRACT

The linear no-threshold hypothesis (LNT)-the basis of radiation regulatory policy-extrapolates from observed high-dose harm to assumed low-dose harm, entailing that all ionizing radiation is harmful, by denying any biological response to damage and asserting cumulative lifetime harm, regardless of dose or dose rate.All aspects of LNT are demonstrably false. There are evolved biological responses that repair or remove radiogenic damage from low doses and dose rates, thereby averting acute harm and precluding the alleged cumulative damage. LNT and its offspring, the “as low as reasonably achievable” principle, do not err on the side of caution; neither is truly conservative. The public needs protection from radiophobia, rather than from low-dose radiation exposure. Neither radiation regulations nor medical practice should be based on LNT, but rather, at least as a first step, on a linear (down to a) threshold (LT) model.

Export Citation CrossMark Publons Harvard Library HOLLIS GrowKudos ResearchGate Base Search OAI PMH Academic Microsoft Scilit Semantic Scholar Universite de Paris UW Libraries SJSU King Library SJSU King Library NUS Library McGill DET KGL BIBLiOTEK JCU Discovery Universidad De Lima WorldCat VU on WorldCat

Abstract Read Full Article HTML DOI: 10.29328/journal.jro.1001007 Cite this Article

INTRODUCTION

Management of obstruction of the distal-pelvic ureters by minimally invasive procedures such as antigrade or retrograde double “J” stents has generally been unsatisfactory. Corrective surgical procedures mandate long hospitalization, hence high cost, and have a moderate incidence of complications.

Export Citation CrossMark Publons Harvard Library HOLLIS GrowKudos ResearchGate Base Search OAI PMH Academic Microsoft Scilit Semantic Scholar Universite de Paris UW Libraries SJSU King Library SJSU King Library NUS Library McGill DET KGL BIBLiOTEK JCU Discovery Universidad De Lima WorldCat VU on WorldCat

Abstract Read Full Article HTML DOI: 10.29328/journal.jro.1001006 Cite this Article