MFS INSTITUTIONAL TRUST, 485BPOS, EX-99.10, 2000-10-27

MFS INSTITUTIONAL TRUST
485BPOS, EX-99.10, 2000-10-27

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                                                              EXHIBIT NO. 99.10

                          INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Post-Effective Amendment
No. 20 to Registration Statement No. 33-37615 of MFS Institutional Trust, on
behalf of MFS Institutional Global Fixed Income Fund, MFS Institutional Research
Fund, MFS Institutional Mid Cap Growth Fund, MFS Institutional Emerging Equities
Fund, MFS Institutional International Equity Fund, MFS Institutional High Yield
Fund, MFS Institutional Core Equity Fund, MFS Institutional Large Cap Growth
Fund, of our reports dated August 10, 2000 appearing in the annual reports to
shareholders for the year ended June 30, 2000, and to the references to us under
the headings "Financial Highlights" in the Prospectus and "Independent Auditors
and Financial Statements" in the Statement of Additional Information, which are
part of such Registration Statement.


DELOITTE & TOUCHE LLP
------------------------
Deloitte & Touche LLP


Boston, Massachusetts
October 13, 2000