Verified Document

Pathologies And Diagnosis Discovered Through The Use Of MRI Term Paper

MRI The use if Magnetic Resonance Imaging (MRI) has greatly altered the ability of medical care professionals to diagnose illnesses in patients. The purpose of this discussion is to examine Pathologies and Diagnosis discovered through the use of MRI. All of the research for this analysis will come from resources that are no more than five years old.

Pathologies and Diagnosis discovered through the use of MRI

One of the diagnoses that the MRI has been credited with is Pancreatic Cancer. According to an article found in USA Today, new MRI's are now allowing for the early detection of pancreatic cancer, which usually spreads to other organs before it is detected. The article asserts that Until recently, the ability of radiologists to detect pancreatic cancer was limited by problems associated with existing MRI and computed tomography (CT) requirements. For example, distortions in MRI images caused by the pulsing of blood through the aorta or by the patient's breathing make it difficult to obtain images of the pancreas that are good enough for early detection. While dynamic enhanced CT also is useful in evaluating pancreatic cancer, that technique has difficulty spotting tumors smaller than two centimeters because of limited soft-tissue resolution (New MRI Aids Early Detection)."

The article asserts that the new MRI's are three dimensional and can therefore detect tumors that are not visible with older types...

According to the article MRI's have detected and quantified gray- and white-matter abnormalities as it relates to macrostructural and microstructural levels (Pfefferbaum, et al. 2003). The article explains that conventional structural MRI shows the size, shape, and tissue composition of the brain and its essential parts (Pfefferbaum, et al. 2003). In addition, Diffusion tensor imaging (DTI) shows the integrity of white-matter tracts that connect regions of the brain to one another (Pfefferbaum, et al. 2003).
In addition to pancreatic cancer and brain abnormalities MRI's can now be used to detect track inhaled or dissolved gases in the body. According to Kadlecek (2002) methods to examine the localized changes or abnormalities in lung structure and function were difficult to come by. The two most common types of diagnostic tools are spirometry which is the measurement of exhaled air volume and the speed at which it is expelled and the other diagnostic tool is chest x-rays, both conventional x-rays and those performed with CT scans (Kadlecek 2002). However when Helium-3 polarizers, are used in combination with magnetic resonance imaging (MRI), it can also be used as a diagnostic tool and permit the microscopic examination of lung structure and localized studies of lung function, which were…

Sources used in this document:
References

Price, J.H. Breast Cancer Best Seen by MRI; Imaging Aids Women at Risk. (2004, September 16). The Washington Times, p. A06.

Kadlecek, S. (2002, November/December). Magnetic Resonance Imaging with Polarized Gases: Although Conventional MRI Cannot Track Inhaled or Dissolved Gases in the Body, Physicians May Soon Be Able to Do So Using Specially Prepared Atoms. American Scientist, 90, 540+.

New MRI Aids Early Detection. (2005, October). USA Today (Society for the Advancement of Education), 134, 4+.

Pfefferbaum, A. Rosenbloom, M., & Sullivan, E.V. (2003). Using Magnetic Resonance Imaging and Diffusion Tensor Imaging to Assess Brain Damage in Alcoholics. Alcohol Research & Health, 27(2), 146+.
Cite this Document:
Copy Bibliography Citation

Related Documents

Mammography Is a Specific Type
Words: 886 Length: 3 Document Type: Thesis

1. Screening Mammography Mammography plays a central part in early detection of breast cancers because it can show changes in the breast up to two years before a patient or physician can feel them. Current guidelines recommend a screening mammography every year for women, beginning at age 40. Research has shown that annual mammograms lead to early detection of breast cancers, when they are most curable and breast-conservation therapies are available (Mammography). 2.

New Mammography Technique Called Digital
Words: 742 Length: 3 Document Type: Term Paper

D. (http://www.cancernews.com/data/Article/210.asp). The created a need to research and develop a better method of mammography, which lead to the development of the new digital machine. What is digital mammography? Conventional film screen mammography uses low energy x-rays that pass through a compressed breast during a mammography examination. The exiting x-rays are absorbed by film (x-ray film) which is then developed into a mammography image that can be held and looked at by the

Missed Breast Carcinomas
Words: 3074 Length: 8 Document Type: Term Paper

Missed Breast Carcinomas Mammography is a particular type of imaging which use an x-ray system, which has a low-dose for the purpose of detecting breast cancer at a very early stage. But even with the help of Mammography, in 10-30% cases of breast cancers would be missed. By way of this paper an attempt has been made to understand the factors, which cause for missed breast cancers, and discuss ways to

New Breast Cancer Screening Guidelines
Words: 2607 Length: 8 Document Type: Term Paper

Dr. Robb-Nicholson's data best supports the scenario that more incidents of breast cancer will be discovered due to the reduced number of screenings that the new guidelines suggest. According to the numbers she gives, the mortality rate for breast cancer decreases every year and this decrease can be attributed to the previous screening guidelines. She writes that the USPSTF has based the new guidelines on statistics rather than clinical data

Radiology and Cyberspace the Creation of 'Cyberspace,'
Words: 3041 Length: 9 Document Type: Term Paper

Radiology and Cyberspace The creation of 'cyberspace,' or the sharing of information through email, on the Internet and on websites, has had a profound impact on nearly every field of human endeavor. Medical science, and particularly Radiology, has been particularly affected and enhanced by new technology. Radiology, by its very nature, has always been a leader in the use of emerging technology in the medical field. Now, new technology developed during

Healthcare for Women Health Care
Words: 1442 Length: 5 Document Type: Term Paper

As a woman enters her geriatric years, many unique problems are also faced. Her post-menopausal period leaves a woman with increased risk of osteoporosis, and hormone-replacement therapy may need to be considered or dismissed depending upon the needs and wellness of the individual women. Additionally, increased risk for obesity begins nearly at the adolescent period, when women's hormone loads change and often activity of childhood decreases. The incidence of

Sign Up for Unlimited Study Help

Our semester plans gives you unlimited, unrestricted access to our entire library of resources —writing tools, guides, example essays, tutorials, class notes, and more.

Get Started Now