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Role of Gamma Camera Components in Radiological Diagnosis

The gamma camera, along with SPECT and PET scanners, is one of the main imaging technologies in nuclear medicine. A collimator is typically constructed from tungsten to provide high absorption of gamma photon energies. It has a hole or holes for imaging. Gamma rays from a radioactive source within the body are emitted in all directions, while the photons required constructing an image travel through the hole. A scintillator is the most common material used to convert the high energy of gamma radiation into a lowenergy optical photon. These detectors are one of the primary secrets to radio-diagnosis in nuclear medicine. The photomultiplier tube (PMT) is a versatile device with extraordinarily highly sensitivity and response. A typical photomultiplier tube contains a photo emissive cathode (photocathode), focusing electrodes, an electron multiplier, and an electron collector (anode). Conclusion: In the medical imaging area, everyone works to improve the resolution, sensitivity, and size of their devices so that patients can be treated better and diagnoses can be made more accurately. Also, the results of this study suggest that HGC could be a potential way to give better support during surgery.

Publication Date
Sat Jun 01 2019
Journal Name
Journal Of Economics And Administrative Sciences
The auditor's qualifications and their role in the quality of professional performance

 

Abstract

The aim of the research is to clarify the requirements of the qualification of the external auditor in Iraq and the extent of their impact on the quality of the professional performance of the audit process. The research was based on analyzing the results of the questionnaire prepared for the impact of qualifications on the quality of professional performance. The researcher has reached a number of conclusions, the most important of which is that a highly qualified and unethical auditor has a greater negative impact on the quality of professional performance than those with low qualifications. The most important recommendations of the research were the need to pay

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Publication Date
Thu Jun 15 2023
Journal Name
Journal Of Legal Sciences
The Role of the Lawyer in the Administrative Lawsuit: A Comparative Study

The legislators in (France, Egypt and Syria) set controls for filing an administrative lawsuit, including the signature of the lawsuit petition by a lawyer accepted before the court, and the lawyer is committed to performing his work in accordance with the conditions of the State Council and the practice of the legal profession. And if the goal of the legislator is to achieve the public and private interest represented in observing the law and assisting the plaintiff legally, then this condition sometimes leads to individuals refraining from resorting to the judiciary because of the financial cost of registration fees and lawyers, which prompted the legislator, especially the French, to exempt several lawsuits from this condition, includ

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Publication Date
Sun Jan 04 2015
Journal Name
Journal Of The Faculty Of Medicine Baghdad
The prognostic role of p-53 protein Immunohistochemical expression in multiple myeloma

Background: Several factors render multiple myeloma (MM) an interesting subject for study by researchers. These include marked progress in understanding the molecular biology of normal and neoplastic plasma cells and recent advances in molecular genetics techniques. Among molecular markers, p-53 cancer suppressor gene have been widely studied.
Aim: is to correlate p-53 protein expression in multiple myeloma, as examined by immunohistochemical method, with some pathological and clinical parameters (Clinical stage and cytological grade).
Patients and methods: This is a retrospective study; whereby archival paraffin-embedded BM tissue blocks along with the clinical and hematological records of fifty patients (

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Publication Date
Sun Jun 01 2014
Journal Name
Journal Of Accounting And Financial Studies ( Jafs )
The Reality of Insurance Banking and its Role in Developing Insurance service

Banking institutions are considered one of development foundations,and they also performe active role in supporting national economey and itsinstitutions. Banks became diversed in their activities that specialized Banksbecame one of the constituents of developing work in any activity, especiallyin investiment sector .In view of the importance of insurance sector and thenecessity of developing its divices and its working instituments, studyinginsurance Banking reality became a necessity, because insurance Companies inIraq are suffering of weakness in the level of insurance service, in addition tothe existence of a problem in the relationship between Banks network andinsurance industry.So this research aims to define insurance reality; the

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Publication Date
Wed Jun 28 2023
Journal Name
Al–bahith Al–a'alami
The Role of Ethnographic Programs on Documentary Channels in Enhancing Audience Knowledge

This research investigates the engagement of the Iraqi audience with ethnographic programs and their impact on knowledge enhancement and intellectual perspectives. A questionnaire consisting of closed-ended questions was designed and administered to a purposive sample of 400 participants who exclusively follow ethnographic programs and documentary channels. The data were transcribed and subjected to statistical analysis using the SPSS software to ensure reliability and test hypotheses. The findings revealed that Al Jazeera Documentary Channel had the highest viewership percentage among respondents for ethnographic programs, while DW (Deutsche Welle) had the lowest viewership percentage. This suggests that Al Jazee

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Publication Date
Sun Oct 02 2011
Journal Name
Journal Of The Faculty Of Medicine Baghdad
The Role of Interleukin-10 in Women with Metastatic Invasive Ductal Carcinoma

Background: Breast cancer is the malignant tumor that forms from the uncontrolled growth of abnormal breast cells. It usually affects tissues involved in milk production (Ductal and lobular tissues). It is the most common malignancy in women and it remains one of the greatest health threats facing women around the world as we enter the 21st century.
Objectives: To estimate the role of IL-10 in the progression of invasive ductal carcinoma.
Patients and Method: Seventy three metastatic invasive ductal carcinoma Iraqi women were admitted to Nuclear Medicine Hospital in Baghdad and 15 samples of apparently healthy women were involved as a control. The blood samples (2 mL) were drown from all studied cases in order to be used for measur

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Publication Date
Wed Jul 01 2015
Journal Name
Journal Of The Faculty Of Medicine Baghdad
The role of Wilm’s Tumor1 immunohistochemical marker in surface epithelial ovarian tumors

Background: Wilms’ tumor 1 is a tumor suppressor gene. The gene is located in chromosome 11p13. And its expression was found in many solid tumors (including ovarian tumor) and also expressed in hematologic malignancies, Recent studies found that WT1 to be involved in angiogenesis.
Objectives: To evaluate the expression of WT1 in surface epithelial ovarian tumorand study the possibility of using WT1 as replacement of both;ovarian tumor marker CA125 and a endothelial cell phenotypic marker CD34.
Patients and methods: This is a study of a retrospective ( cross sectional ) of sixty cases with total abdominal hysterectomy and bilateral salpingo - oopherectomy collected from department of Histopathology – Teaching Laboratories / Medi

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Publication Date
Mon Jan 02 2006
Journal Name
Journal Of The Faculty Of Medicine Baghdad
the role of antineutrophil cytoplasmic antibodies in patients with systemic lupus erthematosus

Background:

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Publication Date
Thu Oct 01 2015
Journal Name
Journal Of Economics And Administrative Sciences
The role of moral values in the tourism service ,An analytical study

Business Ethics play a major role in explaining the behavior of those interested in the management of tourism enterprises in the field of management gains, which sometimes turn to manipulation in the specification of the service of tourism and influence in the technical characteristics at the expense of the brand and market share, as well as misleading beneficiaries about the fact that the performance of the service of tourism, may depend activities tourist dramatically when submitting and sharing various services on the types of mutual relations the framework for moral distinct, in interaction or direct contact between producers of tourism services and tourists or their beneficiaries, in order to provide comfort and recreation a

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Publication Date
Thu Jan 02 2014
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Lupus Nephritis, the therapy and the role of Rituximab in resistant cases

Background Systemic lupus erythematosus (SLE) is a common autoimmune disease that affects mainly young females and nephritis is an important complication of the disease that may end with end stage renal disease (ESRD). Early diagnosis and proper treatment is important in decreasing the morbidity. Multiple immunesupressor agents used and according to the histopathology stage of the disease, still the proper drug used and the duration and dose required not settled. Rituximab which is monoclonal antibody that reacts against CD20 antigen on lymphocytes that cause B cells depletion is recently introduced in treatment of lupus nephritis .

Objectives: to see the effect of different immunosuppressive age

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