Avancerad sökning

Hittade 2 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Clinical Aspects of Hereditary Breast Cancer

   Författare :Niklas Loman; Bröstcancer-genetik; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; cancer; Cytologi; onkologi; cancerology; oncology; Cytology; Age of onset; Survival analysis; Incidence; Male breast cancer; Steroid receptors; BRCA2; BRCA1; Breast cancer; hereditary;

   Sammanfattning : A positive family history of breast cancer (BC) is one of the strongest predictors of the disease. Two major BC susceptibility genes, BRCA1 and BRCA2 were identified about a decade ago. In this thesis, studies of different biological. clinical and epidemiological aspects of hereditary BC are presented. LÄS MER

3. 2. Image Quality Optimisation and Dose Management in CT, SPECT/CT, and PET/CT

   Författare :Marcus Söderberg; Malmö Medicinsk strålningsfysik; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; CT; SPECT; PET; dosimetry; image quality; optimisation; dose reduction; automatic exposure control; contrast medium; phantom; image reconstruction; human observer;

   Sammanfattning : The significant increase in the use of CT, alone or combined with SPECT or PET, has raised concerns about patient radiation exposure and the consequent increased risk of malignancy later in life. The overall objective of this work was to evaluate and optimise different approaches for minimising patient radiation absorbed dose and maintaining or improving image quality in CT, SPECT/CT, and PET/CT. LÄS MER