Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if a patient is diagnosed in 2004 with extranodal diffuse large B-cell lymphoma (DLBCL) of the stomach followed by a 2011 diagnosis of DLBCL involving abdominal lymph nodes? See Discussion.
Reportability/Heme & Lymphoid Neoplasms--Hematopoietic, NOS: Is light chain disease reportable if it is treated with chemotherapy agents? See Discussion.
Reportability--Heme & Lymphoid Neoplasms: Is a case reportable in which the pathology report is negative for plasmacytoma but a subsequent physician's clinical diagnosis is plasmacytoma?
Multiple primaries/Histology--Heme & Lymphoid Neoplasms: How many primaries are to be accessioned when a 1/27/10 bone marrow biopsy, FISH and cytogenetics reveals chronic myelogenous leukemia (CML), BCR/ABL positive, t(9;22)(q34;q11) and a 4/15/10 bone marrow biopsy reveals B-acute lymphoblastic leukemia (Blast phase of CML)?
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned for a diagnosis of bilateral extranodal orbital lymphoma when the same histology is present in both orbits?
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if a patient is diagnosed with follicular lymphoma, grade 3 in 2006 and is subsequently diagnosed with follicular lymphoma, grade 2 in 2011? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when biopsies of the left and right tonsils show diffuse large B-cell lymphoma and there is no other evidence of involvement? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when a patient has a biopsy diagnosis of extraosseous plasmacytoma followed fourteen days later with a diagnosis of multiple myeloma on imaging? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if a patient shows evidence of "MDS as well as essential thrombocytosis and JAK2 mutation positive polycythemia vera" 18 years after a diagnosis of "thrombocytosis and probable polycythemia that progressed to probable myelofibrosis"? See Discussion
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