From scinti-mammography and metabolic imaging to receptor targeted PET-new principles of breast cancer detection.

From scinti-mammography and metabolic imaging to receptor targeted PET-new principles of breast cancer detection. Research Abstract Details 

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From scinti-mammography and metabolic imaging to receptor targeted PET-new principles of breast cancer detection. Abstract Text:

Michael Hofmann,

Early detection of breast cancer is a prerequisite for treatment success and improvement of survival. In tumors under 10mm diameter the standard morphological methods of imaging such as sonography, mammography and MRI imaging are of lesser specificity and loose sensitivity. Under 5mm detection of breast cancer remains a chalenge. Since recent years scinti-mammography using perfusion weighted enrichment of 99m-Tc-MIBI for imaging has become a standard technique indetection of breast cancer. It is superior when ever small lesions with increased perfusion are to be expected. it is used specially in dense breast patients. Other functional methods such as F-18-FDG-PET, C-11-Methionine-PET and the use of Ga-68-Somatostatin- or Ga-68-Bombesin-PET have been discussed for the early detection and therapy control of breast cancer patents. Especially the high specific low background receptor-PET imaging exels over the standard methods because of its ability to detect lesions even below 2 mm, as it has been shown for the Ga-68-DOTA-somatostatins. Because simple exchange of the diagnostic PET isotope against a therapeutical isotope like Lu-177, Y-90, Ga-67 or Cu-67 the receptor PET is directly linked to radio-peptide therapy. As the studies of J. C. Reubi et alii have been shown several peptide receptors are expressed in breast cancer, like the sms receptors and the gastrin releasing peptide receptors (bombesin receptors). One of the most widely expressed receptors expressed in breast cancer, which tends to be relatively selective, is NPY1 receptor. Intensive work had been done on the development of peptide ligands by A. Beck-Sicklinger and her group. These new developed peptides are very promising in combination with somatostatin and bombesin derivatives. Dedicated breast pet devices in combination with these high specific tracers have great potential to open and entire new quality in early detection of breast cancer and may lead to its radiopeptide therapy.

From scinti-mammography and metabolic imaging to receptor targeted PET-new principles of breast cancer detection. Publishing Authors By Initials

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From scinti-mammography and metabolic imaging to receptor targeted PET-new principles of breast cancer detection. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Physica medica : PM : an international journal dev

VOLUME: 21 Suppl 1

Page Numbers: 11

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ISSN: 1120-1797

DAY: 24

MONTH: 07

YEAR: 2006

From scinti-mammography and metabolic imaging to receptor targeted PET-new principles of breast cancer detection. Information

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LANGUAGE: eng

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Country: Italy

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MEDLINETA: Phys Med

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