A 64 year old female patient had relapsing wound seromas and wound hematomas (without infection) after a hip operation (replacement of the acetabulum part of a 15 years old endoprosthesis) even after an additional operation with the only intention to stop the wound seromas and after approximately 8 aspirations of seroma fluid (up to approximately 90 mL within one aspiration) within 2 months, and a third operation was seriously considered: Figure A shows the sonographic state. At that situation wIRA(+VIS) irradiation was started, beginning with 30 minutes twice a day and increasing up to 3 times one hour per day. Within a few days the seroma did no longer increase as usual, after approximately one week a slight decrease of seroma size was noticed clinically (Figure B), Figure C shows reduced seroma size after 18 days, Figure D after 29 days and after approximately 2 months the seroma had resolved completely (both clinically and sonographically) without any aspiration of seroma fluid or operation since starting with wIRA(+VIS) irradiation (sonographic pictures published with kind approval of Dr. Michael Paulus, Herzogenaurach, Germany).