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Biomedical subjects

K Oikawa

Publications and source records attributed to K Oikawa.

196 records · Page 11Linked to original sources

A 3D- and 4D-ESR imaging system for small animals.

A new version of in vivo ESR-CT system composed of custom-made 0.7 GHz ESR spectrometer, air-core magnet with a field-scanning coil, three field-gradient coils, and two computers enables up- and down-field, and rapid magnetic-field scanning linearly controlled by computer. 3D-pictures of distribution of nitroxide radicals injected in brains and livers of rats and mice were obtained in 1.5 min with resolution of 1 mm. We have also succeeded in obtaining spatial-time imagings of the animals.

Animals↗

Aspiration biopsy cytology of secretory carcinoma of the breast. A case report.

Secretory carcinoma diagnosed by aspiration biopsy cytology (ABC) disclosed many characteristic figures that were similar to a bunch of grapes, secondary mucous globular structures (MGSs) and clustered MGSs. The MGS was a unit structure of secretory carcinoma composed of a centrally located, small amount of mucus and two or more tumor cells covering it. Other findings were vacuolated cells and mucus in a clear background. The presence of the above findings, especially the "bunch of grapes" and related forms, were though to be essential findings in the cytologic differential diagnosis of secretory carcinoma by the ABC method. The origin of the characteristic features is discussed.

Adult↗