Investigator therefore propose a retrospective mono-centric study, to compare the results obtained in patients with myeloma or lymphoma, mobilized with Zarzio® in order to obtain a graft, with the results obtained in our study. retrospective cohort of mobilization by Granocyte®.

Autologous cell therapy remains the standard treatment in lymphomas (Hodgkin or non Hodgkin) and myelomas in the first line if they have bad prognostic factors or second-line cases of relapsed or relapsed patients. The essential condition for performing an autograft is the existence of a graft sufficient for this procedure. The European Society of Marrow Transplantation (EBMT) recommends to inject a minimum of 2 × 10 6 CD34 + cells / kg.

Although in terms of conventional products (Neupogen® and Granocyte®), the literature is very rich, there is no data on the use of biosimilars in this indication. A PUBMED search using the terms "peripheral blood stem cell harvest, OR Zarzio® biosimilars" did not produce any results.

Zarzio® has a tolerance and efficacy profile equivalent to "classical" products when used in post-chemotherapy, primary or secondary prophylaxis.

It therefore seems important to compare its efficacy and tolerance in mobilization situations for peripheral stem cell sampling.The Investigator therefore propose a retrospective mono-centric study, to compare the results obtained in patients with myeloma or lymphoma, mobilized with Zarzio® to obtain a graft, with the results obtained in our study. retrospective cohort of mobilization by Granocyte®.

Inclusion Criteria:

• - Age supérieur to 8 year
• Recommandation of ABSCT

Exclusion Criteria:

• - No indication of ABSCT
• Age inférieur to 18 years

Lymphoma or myeloma patients for whom autologous stem cell tansplatation is a therapeutical option