title: Histiocytic sarcoma arising in indolent small B-cell lymphoma: report of two cases with molecular/genetic evidence suggestive of a 'transdifferentiation' during the clonal evolution.
authors.affiliation: Department of Pathology, DUMC Box 3712, Duke University Medical Center, Durham, NC 27710, USA. endi.wang@duke.edu
authors.forename: Endi
authors.initials: E
authors.lastname: Wang
authors.forename: Charles Blake
authors.initials: CB
authors.lastname: Hutchinson
authors.forename: Qin
authors.initials: Q
authors.lastname: Huang
authors.forename: Siby
authors.initials: S
authors.lastname: Sebastian
authors.forename: Catherine
authors.initials: C
authors.lastname: Rehder
authors.forename: Angela
authors.initials: A
authors.lastname: Kanaly
authors.forename: Joseph
authors.initials: J
authors.lastname: Moore
authors.forename: Michael
authors.initials: M
authors.lastname: Datto