Exhibit 5.1

                                March 19, 2002


InSight Health Services Corp.
4400 MacArthur Blvd.
Newport Beach, CA 92660



                  Re:    Exchange Offer for up to $225,000,000
                         9 7/8% Senior Subordinated Notes due 2011

Ladies and Gentlemen:


         We have acted as counsel to InSight Health Services Holdings Corp. and
InSight Health Services Corp. (the "Registrants") in connection with the offer
(the "Exchange Offer") to exchange an aggregate principal amount of up to
$225,000,000 at maturity of InSight Health Services Corp.'s (the "Company")
9 7/8% Senior Subordinated Notes due 2011 (the "Exchange Notes") for up to a
like aggregate principal amount at maturity of the Company's previously issued
and outstanding 9 7/8% Senior Subordinated Notes due 2011 (the "Outstanding
Notes"), pursuant to a Registration Statement on Form S-4 (Registration No.
333-75984) filed under the Securities Act of 1933, as amended (the "Securities
Act"). Such Registration Statement, as amended or supplemented, is hereinafter
referred to as the "Registration Statement". The Exchange Notes are to be issued
pursuant to the Indenture (the "Indenture"), dated as of October 30, 2001 by and
among the Company and State Street Bank and Trust Company, N.A., as the trustee,
in exchange for, and in replacement of, the Registrants' Outstanding Notes, of
which $225,000,000 in aggregate principal amount is outstanding.

         In rendering our opinion, we have examined originals, or copies
certified or otherwise identified to our satisfaction, of such documents,
corporate records and other instruments as we have deemed necessary for the
purposes of this opinion (collectively, the "Documents").

InSight Health Services Corp.           2                         March 19, 2002


         In our examination of the Documents and in rendering the opinion set
forth below, we have assumed, without independent investigation (i) the
genuineness of all signatures, the authenticity of all documents submitted to us
as originals, the conformity to the original documents of all documents
submitted to us as certified, photostatic, reproduced or conformed copies of
validly existing agreements or other documents, the authenticity of all the
latter documents and the legal capacity of all individuals who have executed any
of the documents which we examined, (ii) the enforceability of any of the
Documents against any party (other than the Registrants), (iii) that the
Registrants are each duly incorporated and in good standing under the laws of
their respective jurisdictions of incorporation, (iv) that the Registrants have
taken all necessary corporate action to authorize the Documents and the
transactions provided for in them and that each Document has been duly
authorized, executed and delivered by the Registrants, (v) that the execution
and delivery by the parties of each Document and the consummation by each party
of the transactions contemplated thereby do not violate or result in a breach of
or default under the party's certificate or articles of incorporation or
by-laws, or any applicable law, (vi) that the Exchange Notes will be issued as
described in the Registration Statement, (vii) that the Indenture was duly
authorized, executed and delivered by the parties to it, (viii) that the
Exchange Notes will be in substantially the form attached to the Indenture and
that any information omitted from any such form will be properly added and (ix)
that the Exchange Notes will be duly authorized, executed and delivered by the
Registrants.

         Based on the foregoing and subject to the assumptions, exceptions and
qualifications set forth in this letter, we are of the opinion that when (i) the
Registration Statement becomes effective, (ii) the Indenture has been duly
qualified under the Trust Indenture Act of 1939, as amended, and (iii) the
Exchange Notes have been duly executed and authenticated in accordance with the
provisions of the Indenture and duly delivered to the holders thereof in
exchange for the Outstanding Notes, the Exchange Notes will be validly issued
and binding obligations of the Registrants.

         Our opinions expressed above are subject to the qualifications that we
express no opinion as to the applicability of, compliance with, or effect of (i)
any bankruptcy, insolvency, reorganization, fraudulent transfer, fraudulent
conveyance, moratorium or other similar law affecting the enforcement of
creditors' rights generally, (ii) general principles of equity (regardless of
whether enforcement is considered in a proceeding in equity or at law), and
(iii) any laws except the laws of the State of New York.

         We hereby consent to the filing of this opinion as Exhibit 5.1 to the
Registration Statement. We also consent to the reference to our firm under the
heading "Legal Matters" in the Registration Statement. In giving this consent,
we do not thereby admit that we are in the category of persons whose consent is
required under Section 7 of the Securities Act or the rules and regulations of
the Commission.

         This opinion is limited to the specific issues addressed herein, and no
opinion may be inferred or implied beyond that expressly stated herein. We
assume no obligation to revise or

InSight Health Services Corp.           3                         March 19, 2002


supplement this opinion should the present laws of the State of New York be
changed by legislative action, judicial decision or otherwise.

         This opinion is furnished to you in connection with the filing of the
Registration Statement, and is not to be used, circulated, quoted or otherwise
relied upon for any other purposes.

                                   Very truly yours,

                                   /s/ Kaye Scholer LLP