Do treatment of a resistant port-wine stain with a new variable pulse-duration pulsed-dye laser?
Vessel heterogeneity may require changing pulse durations once a port-wine stain or a portion of a port-wine stain becomes refractory to given pulse-duration.
It is difficult to diagnose neurolemmoma before operation, however, it is important to carefully protect the function of the nerve in order to avoid severe complications.