Exhibit 32.2

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        In connection with the Quarterly Report of Theragenics Corporation^®, (the “Company”) on Form 10-Q for the period ended July 4, 2004 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James A. MacLennan, Treasurer and Chief Financial Officer, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of  Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods referred to in the Report.

By: /s/ James A. MacLennan
James A. MacLennan
Treasurer and Chief Financial Officer
July 30, 2004

A signed original of this written statement required by Section 906 has been provided to Theragenics Corporation^® and will be retained by Theragenics Corporation^® and furnished to the Securities and Exchange Commission or its staff upon request.