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PubMed2002

[Palliation of pain from bone metastases with radioactive isotopes].

We summarise the physical and pharmacokinetic properties of the radionuclides used. The effect on pain from bone metastases caused by prostate cancer, breast cancer, and lung cancer is well documented. A review of the literature does not substantiate a clinically significant difference in the palliative effect produced by any of the radionuclides used. The effect achieved with nuclides is the same as that seen after external radiation. Radionuclides seem to reduce the number of new painful sites from bone metastases, and, as such, use of nuclides is expected to reduce the need for repeated external palliative radiation.

Bone Neoplasms↗
PubMedDate not supplied

Lung scanning using microspheres labeled with radioactive isotopes in the diagnosis and evaluation of therapeutic results in pulmonary malignant neoplasms.

In 25 patients with malignant pulmonary neoplasms 38 scintiscanning investigations were carried out using the method of albumin microspheres labeled with 131I, technetium -99 m, or indium -113 m and macrocolloids of ferric hydroxide labeled with 113mIn. In 10 patients with infiltration of the main or lobar bronchi scintiscanning demonstrated in 9 cases complete absence of perfusion of one lung. In these cases routine radiological investigations demonstrated normal perfusion and aeration of lung parenchyma in the involved lung. Among 13 cases of carcinoma situated in segmental or subsegmental bronchi the areas with absent perfusion were in 7 cases larger than changes observed during radiological examination. Scintiscanning investigations were used also for evaluation of therapeutic results of synchronized chemotherapy in malignant neoplasms of this organ. Scintiscanning is a method well tolerated by the patients and it may be performed repeatedly in the same case for evaluation changes in perfusion disturbances caused by malignant lung neoplasms. It may be helpful in choice of a proper method of treatment.

Aged↗