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We conducted a retrospective analysis of outcomes for children and young adults with sAML/ sMDS who underwent HSCT at our institution. Thirty-two patients (median age 20 years) with sAML (n=24) and sMDS (n=8) received HSCT between 1990 and 2013. The median time from sAML/ sMDS diagnosis to HSCT was 4.1 months (range: 1.2-27.2 months). The transplant regimens were primarily busulfan based (n=19). BM was the primary donor source (n=15). Eleven recipients were transplanted with residual disease. At a median follow-up of 62.3 months (range: 0.4-250.9 months), 14 patients had disease recurrence. Acute GVHD, grade III/ IV, occurred in three patients. Causes of death were as follows: disease relapse (n=12), infection (n=2), pneumonia (n=1), pulmonary hemorrhage (n=1), acute GVHD (n=1), and graft failure (n=1). A PS of ≥90% at the time of HSCT had a significant impact on PFS ( P=.02). Patients achieving pretransplant primary CR (n=8) and those with sMDS and RA (n=6) had prolonged PFS ( P=.04). On multivariate analysis, shorter time to transplantation (≤6 months from diagnosis of sAML/ sMDS) was associated with superior OS ( P=.0018) and PFS ( P=.0005). [ABSTRACT FROM AUTHOR]

As an example of the need for long-term follow-up by specialty health care to adequately manage immunodeficient patients, we report the case of a patient with Wiskott-Aldrich syndrome who was lost to follow-up for 4 years to the immunology clinic and came back with a neck mass that was diagnosed as B-cell lymphoma. Patients with immunodeficiency are at high risk for the development of malignancy and autoimmune diseases and should be evaluated by a trained specialist with a frequency of not less than every 6 months. [Copyright &y& Elsevier]