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Related Concept Videos

Partial Fractions01:28

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A partial fraction is a component of a rational expression represented as the sum of simpler fractions. When a rational function is expressed as a ratio of two polynomials, it can often be decomposed into a sum of fractions whose denominators are simpler polynomials, typically linear or irreducible quadratic factors. This process is called partial fraction decomposition, and it is used to simplify complex expressions for integration, solving equations, or analysis.Partial fraction decomposition...
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What is an Experiment?01:12

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An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...
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Unless individual gases chemically react with each other, the individual gases in a mixture of gases do not affect each other’s pressure. Each gas in a mixture exerts the same pressure that it would exert if it were present alone in the container. The pressure exerted by each individual gas in a mixture is called its partial pressure.
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In a beam of charged particles created by a heated cathode, the particles move at different speeds. However, many applications need a beam with uniform particle speeds. An arrangement known as a velocity selector uses electric and magnetic fields to pick particles with a particular speed from the beam.
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The partial pressure of a gas is a measure of the thermodynamic activity of the gas's molecules. The pressure that a gas would create if it occupied the total volume available is called the gas's partial pressure. If two or more gases are mixed together in a container, the molecules move randomly and collide with each other, causing them to reach thermal equilibrium. When the gases have the same temperature, their molecules have the same average kinetic energy. Thus, each gas obeys the...
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When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
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Single Port Donor Nephrectomy
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Partial Nephrectomy in Adults - A Single-Centre Experience.

Waqas Rahim1, Mohammad Ayaz Khan1, Nadeem Iqbal1

  • 1Department of Urology and Kidney Transplant, Pakistan Kidney Institute, Shifa International Hospital, Islamabad.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|March 17, 2018
PubMed
Summary
This summary is machine-generated.

Partial nephrectomy is effective for renal masses, with low recurrence rates in malignant cases. This study found 83.3% of patients with malignant renal tumors experienced no recurrence after six months.

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Area of Science:

  • Urology
  • Oncology

Background:

  • Partial nephrectomy is the standard surgical approach for benign renal lesions.
  • It is also increasingly utilized for smaller malignant renal tumors.

Purpose of the Study:

  • To evaluate the outcomes of partial nephrectomy, focusing on complication and recurrence rates.
  • To assess the efficacy of partial nephrectomy in managing renal masses.

Main Methods:

  • An observational study involving 20 patients with renal masses who underwent partial nephrectomy between January 2010 and June 2014.
  • Patients were followed post-operatively with CT scans at six and 12 months.

Main Results:

  • The study included 20 patients (14 males, 6 females) with a mean age of 46.51 years and mean renal mass size of 3.80 cm.
  • Twelve patients had malignant histology; 10 (83.3%) showed no recurrence at six months.
  • Mean operative time was 247 minutes, and mean hospital stay was 5.11 days.

Conclusions:

  • Partial nephrectomy demonstrates favorable outcomes for renal masses, including a low recurrence rate in malignant cases.
  • The procedure is a viable option for managing both benign and smaller malignant renal lesions with acceptable morbidity.