“…The previous issue of the Journal of Hematopathology lacked a review of the literature because there were five commentaries on the 2008 classification by members of the editorial team [1–5] and the first regular review on literature for bone marrow pathology by Jon VanderWalt [6]. Therefore, this issue contains a quite long review of the literature covering the first half of 2009, a longer period compared to the previous three reviews [7–9] and the selection was therefore, more strict.…”