DRUG FOR TREATING OR DIAGNOSING VASCULAR LESION IN THE SKIN OR THE SUBCUTANEOUS SOFT TISSUE CAUSED BY LIGHT IRRADIATION

摘要

A novel drug for treating a vascular lesion in skin or subcutaneous soft tissue by light irradiation is disclosed, which is effective for treating a lesion in a deep portion and yet which is free from destruction of normal cells in the skin surface, and with which the shading time after treatment is short, in the treatment of a vascular lesion in skin or subcutaneous soft tissue by light irradiation. The drug for treating a vascular lesion in skin or subcutaneous soft tissue by light irradiation comprises as an effective ingredient mono-L-aspartyl chlorin e6 or mono-L-glutamyl chlorin e6, or a pharmaceutically acceptable salt thereof.