| 摘要 |
<p>This invention provides a method of treatment of the human or animal body to remove tumorous tissue therefrom, wherein an effective amount of a dye compound is administered to said body and allowed to accumulate at tumorous tissues or cells therein and wherein tumorous tissue or cells at which said dye compound has accumulated is removed or destroyed in situ, the improvement comprising using as said dye compounds a physiologically tolerable dye compound being a polysulphonic acid the molecular structure whereof comprises at least one chromophore and at least 5 sulphonic acid groups, or a derivative thereof.</p> |
