Exhibit 23




                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



To CYTOGEN CORPORATION:

As independent public accountants, we hereby consent to the incorporation of our
report included in this Form 10-K, into the Company's  previously filed Form S-8
Registration  Statement  (File No.  33-30595),  filed  with the  Securities  and
Exchange  Commission on August 18, 1989, Form S-3  Registration  Statement (File
No.  33-35140),  filed with the  Securities  and Exchange  Commission on May 31,
1990,  Form S-8  Registration  Statement  (File No.  33-52574),  filed  with the
Securities and Exchange  Commission on September 29, 1992, Form S-8 Registration
Statement (File No. 33-57004), filed with the Securities and Exchange Commission
on January 12, 1993, Form S-3  Registration  Statement (File No. 33-77396) filed
with  the  Securities  and  Exchange  Commission  on  April  6,  1994,  Form S-8
Registration  Statement  (File No.  33-63321),  filed  with the  Securities  and
Exchange  Commission on October 10, 1995, Form S-8 Registration  Statement (File
No. 333-00431), filed with the Securities and Exchange Commission on January 25,
1996 and Form S-8 Registration  Statement (File No.  333-04679),  filed with the
Securities  and  Exchange  Commission  on May 29,  1996,  Form S-8  Registration
Statement (File No. 333-27673) filed with Securities and Exchange  Commission on
May 23, 1997, Form S-3  Registration  Statement (File No.  333-43809) filed with
the  Securities  and  Exchange  Commission  on  January 6,  1998,  Form  S-1/A-2
Registration  Statement  (File No.  333-68759)  filed  with the  Securities  and
Exchange Commission on January 8, 1999 and Form S-1/A-1  Registration  Statement
(File No.  333-67947)  filed with the  Securities  and  Exchange  Commission  on
January 27, 1999.


                                                             ARTHUR ANDERSEN LLP




Philadelphia, PA
    February 22, 1999




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