[Current place of isotope lymphography in the exploration of cancer of the breast].
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Biomedical subjects
Publications and source records attributed to R Vergnes.
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A new investigation in infectious osteoarticular pathology is presented, involving the use of two tracers: one for bone metabolism (MDP - 99mTc), the other for the infectious process (67Ga). The initial results of a prospective study of 72 scintigraphic examinations are reported. Analysis of the results reveals the value in using 67Ga to determine the stage of development of the lesion and consequently to adapt the treatment. Classical bone scintigraphy, whose value remains the early detection of signs compared to radiography, does not allow us to follow the course of the lesion over time. The need to combine scintigraphic techniques has already been recognised (Lisbona, Gaucher) but there has usually been sequential meaning, apart from the risk of false negatives (early osteitis), repeated visits by the patients over a period of time. The simultaneous use of 2 tracers, technically possible, avoids these problems and produces a rapid result (generally 6 hours after the injection).
Value, indication and limits of serial and static brain radioangiogram in carotid disease are studied comparatively with EEG, Doppler study and cerebral arteriography. The isotopic study shows the occlusion and its consequences on middle cerebral artery and cerebral hemisphere. The "Hot-Nose" sign is rarely seen, but then with large focal abnormalities. In 20% of studied cases, isotopic study provides information about the efficiency of suppleance circulation or the existence of a blood derivation. The value of serial and static scintigraphy deserves it a better place among the non invasive diagnosis method of carotid disease.