Recognition of spinal MR patterns of response to treatment supported the occurrence of remission in patients with multiple myeloma. MR findings may help clarify response to therapy in patients with equivocal clinical changes or nonsecretory myeloma.

In patients with an SBP, the disappearance of myeloma protein with involved-field radiotherapy predicted long-term disease-free survival and possible cure. Nonsecretory disease and persistent myeloma protein after treatment were adverse prognostic factors for which adjuvant therapy with interferon alfa should be considered.

The combination of cyclophosphamide, etoposide, and TBI is a relatively safe and effective preparative regimen for patients with early hematologic malignancies. Controlled trials are needed to evaluate critically this combination versus other standard preparative regimens. Greater toxicity was observed in patients with advanced disease, and this program does not appear to offer any advantage over other regimens.

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