Histology--Heme & Lymphoid Neoplasms: How is the histology coded if a biopsy final diagnosis is diffuse large B-cell lymphoma but the physician's final diagnosis favored anaplastic large cell lymphoma? 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/Primary site/Histology--Heme & Lymphoid Neoplasms: How many primaries are accessioned and what is the primary site and histology for each if a 6/12/12 left shoulder mass specimen suspicious for large B-cell lymphoma is followed on 7/10/12 with three skin nodules excised from the back with a diagnosis of "composite lymphoma? See Discussion.
Date of diagnosis--Heme & Lymphoid Neoplasms: What is the diagnosis date for a patient with a mild thrombocytosis diagnosed in 2008, that was subsequently treated with Anagrelide in 11/2010 following an increase in platelet count, and later in 3/2011 was found to have positive JAK2 study physician refers to as essential thrombocythemia? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if subsequent to a bone marrow biopsy diagnosis of acute myeloid leukemia there is an oncology consult note that indicates the pathology finding is suggestive of an underlying myelodysplastic syndrome? 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.
Reportability--Heme & Lymphoid Neoplasms: Is a flow cytometry immunophenotyping of peripheral blood that demonstrates a chronic lymphocytic leukemia (CLL) phenotype reportable as CLL? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned and what rule applies when a patient has a history of chronic myeloid leukemia diagnosed in 1993 followed by a diagnosis of acute myeloid leukemia arising in chronic myelogenous leukemia, blast phase? See Discussion.
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