evidence based medicine (ebm) is a new approach to patient management which incorporates best evidence with the clinical expertise of the health care providers. although this approach has had a rapid growth in many clinical disciplines, its applications in radiology and nuclear medicine has not been addressed sufficiently. in this review ebm is briefly explained and the first two steps of the e...

pet (positron emission tomography) is a powerful imaging technique that can provide quantitative information on the distribution of positron emitter labeled radiopharmaceuticals (pet radiopharmaceuticals) in the body. positrons (ß+) are positively charged beta particles. they are emitted when the atom is proton rich. a positron has only a transient existence. after losing all of its kinetic ene...

bangladesh is one of the smaller states in asia. but it has a long and rich history of nuclear medicine for over sixty years. the progress in science and technology is always challenging in a developing country. in 1958, work for the first nuclear medicine facility was commenced in dhaka in a tin-shed known as ‘radioisotope centre’ and was officially inaugurated in 1962. since the late 50s of t...

while the introduction of radioactive tracers in the study of metabolic pathways has been well-documented in clinical thyroidology as early as 1924, the widespread utilization in other clinical specialties has been hampered by slow developments in radiation-detecting devices and in the production of appropriate radiopharmaceuticals, in addition tothe morbid fear of radiation. in the philippines...

in 1955, the first nuclear medicine division was established in thailand by professor romsai suwannik in the department of radiology, siriraj hospil, mahidol university in bangkok. in 1959 four years later, the second nuclear medicine division was established in the department of radiology, chulalongkorn hospital in bangkok. the third nuclear medicine division was started in rajvithi hospital i...

as described in the first part of this article, evidence based medicine (ebm) is a growing part of medical practice which emphasizes on the best evidence. finding this evidence by formulating an answerable question and searching strategies were described in the first part of this review. in this part, appraising the retrieved article (with the main focus on the diagnostic studies) and applying ...

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introduction: one of the major problems in the development of nuclear medicine images is the presence of noise. the noise level in nuclear medicine images is usually reduced by the analysis of imaging data in a fourier transform environment. the main drawback of this environment belongs to low signal to noise ratio in high frequencies because removing noise frequencies may remove data and times...

today, nuclear medicine has rapidly been developed so that in some cases, plays a unique role in diagnosis but unfortunalty in spite of diagnostic and therapeutic advantages, the term “nuclear” can induce worries in patients and society. in this article, base on new documents, we intend to show that this worries has no scientific basis. to produce a realistic view, regarding to radiation protec...