cutia cu farduri a femeii de sare: manuta care a impresionat lumea

vineri, 7 martie 2008

manuta care a impresionat lumea

Aceasta este cea mai fantastica fotografie facuta vreodata. Fotografia a fost facuta de
un fotograf american, in timpul unei operatii de coloana, efectuata pe un fat, aflat in
uterul mamei in a 23 -a saptamana de sarcina. Fotogaful a reusit sa imortalizeze
momentul cand copilasul si-a ridicat mana din uterul mamei si a prins degetul medicului.
Dupa operatie fatul a fost lasat in uterul mamei care a fost inchis la loc, astfel incat
fatul sa se dezvolte in conditii normale. Manuta care a cucerit intreaga lume, este a lui
Samuel Alexander, care s-a nascut la 28.12.1999

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in fiecare minut, in fiecare secunda, o femeie este diagnosticata cu cancer mamar

In fiecare an, zeci de mii de femei sunt diagnosticate cu cancer de san, boala invalidanta si cu o mortalitate crescuta in randul femeilor aflate la menopauza. Cu cat inaintezi in varsta, cu atat riscul de a dezvolta un cancer mamar creste. Mult mai probabil vor fi afectate femeile care au rude apropiate, de sange (mama, bunica, matusa, sora sau tatal), care au avut cancer de san, genital sau de testicule in antecedente, aparute inainte de varsta de 50 de ani.
Dr. Loredana Dumitrascu

in Romania exista acum metode neinvazive de diagnosticare: termografia, sonoelastografia...

"Sonoelastography is an ultrasound imaging technique where low-amplitude, low-frequency shear waves (less than 0.1 mm displacement and less than 1 kHz frequency) are propagated through internal organs, while real-time Doppler techniques are used to image the resulting vibration pattern. When a discrete hard inhomogeneity, such as a tumour, is present within a region of soft tissue, a decrease in the vibration amplitude will occur at its location. This forms the basis for tumour detection using sonoelastography. For three-dimensional (3D) imaging the acquisition of sequential tomographic slices using this technique, combined with image segmentation, enables the reconstruction, quantification and visualization of tumour volumes. Sonoelastography and magnetic resonance images (MRI) of a tissue phantom containing a hard isoechoic inclusion are compared to evaluate the accuracy of this method. The tumour delineation from sonoelastography was found to have good agreement with the tumour from MRI except for a bleeding at one of its ends. Although sonoelastography is still in an experimental phase, the principles behind this imaging modality are explained and some practical aspects of acquiring sonoelastography images are described. Results from a 3D sonoelastography reconstruction of a tissue mimicking phantom and an ex vivo whole prostate specimen are presented."