title: Distinguishing morphology of reactive versus abnormal neoplastic peripheral blood lymphocytosis. Challenges illustrated by two proficiency testing surveys.
authors.affiliation: Institute for Quality Management in Healthcare (IQMH), Toronto, ON, Canada.|IQMH Hematology Scientific Committee, Toronto, ON, Canada.
authors.forename: A
authors.initials: A
authors.lastname: Johnston
authors.affiliation: Institute for Quality Management in Healthcare (IQMH), Toronto, ON, Canada.|IQMH Hematology Scientific Committee, Toronto, ON, Canada.
authors.forename: A
authors.initials: A
authors.lastname: McFarlane
authors.affiliation: IQMH Hematology Scientific Committee, Toronto, ON, Canada.
authors.forename: G
authors.initials: G
authors.lastname: Bourner
authors.affiliation: IQMH Hematology Scientific Committee, Toronto, ON, Canada.|Health Sciences North/ Horizon Santé-Nord Ramsey Lake Health Centre, Sudbury, ON, Canada.
authors.forename: T
authors.initials: T
authors.lastname: Martin
authors.affiliation: IQMH Hematology Scientific Committee, Toronto, ON, Canada. rpadmore@toh.on.ca.|The Ottawa Hospital/Eastern Ontario Regional Laboratory Association, Ottawa and University of Ottawa, Ottawa, ON, Canada. rpadmore@toh.on.ca.
authors.forename: R
authors.initials: R
authors.lastname: Padmore
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D016130:Immunophenotyping; D059021:Laboratory Proficiency Testing; D007945:Leukemia, Lymphoid / Q000175:diagnosis*; D007955:Leukemoid Reaction / Q000175:diagnosis; D018655:Lymphocyte Count; D008214:Lymphocytes / Q000166:cytology* / Q000378:metabolism / Q000473:pathology*; D008218:Lymphocytosis / Q000175:diagnosis*