* Gets FDA approval for Ergo imaging system
* Says plans to begin shipping product in June
* Shares up about 37 pct pre-market
April 26 Digirad Corp (DRAD.O) said it received marketing approval from U.S. health regulators for its portable medical imaging system Ergo, sending its shares up as much as 37 percent.
The medical diagnostic imaging systems maker expects to begin shipping of its first production systems to a number of medical centers in the United States and abroad in June.
Shares of the company were trading up about 37 percent at $2.82 in pre-market trade Monday. They closed at $2.06 Friday on Nasdaq. (Reporting by Krishnakali Sengupta in Bangalore; Editing by Maju Samuel)