Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be accessioned when a patient was diagnosed in 2003 with malignant lymphoma, mixed cell type, follicular in the inguinal lymph nodes and was recently diagnosed with follicular lymphoma (by a neck lymph node biopsy) involving the neck and mediastinal lymph nodes?
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be accessioned when the patient is diagnosed with an acute neoplasm (diffuse large B-cell lymphoma) per a pathology report and is subsequently diagnosed clinically with a chronic neoplasm (chronic lymphocytic leukemia/small lymphocytic lymphoma) less than 21 days later? See Discussion.
Multiple primaries/Histology--Heme & Lymphoid Neoplasms: How many primaries are accessioned and what histology codes are used for a 2005 diagnosis of nodular histiocytic lymphoma followed by a 2012 diagnosis of B-cell chronic lymphocytic leukemia/small lymphocytic lymphoma? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if patient initially diagnosed with granulocytic sarcoma on a vocal cord biopsy is subsequently diagnosed with acute myeloid leukemia more than 21 days later? See Discussion.
First course treatment/Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be accessioned and how is treatment coded when follicular lymphoma diagnosed in December 2009 is treated with CHOP and a subsequent December 2010 diagnosis of diffuse large B-cell lymphoma is treated with chemotherapy and a bone marrow transplant? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when a patient is clinically stated to have Stage III follicular lymphoma following a diagnosis suspicious for B-cell lymphoma and is subsequently diagnosed with large B-cell lymphoma? See Discussion.
Reportability--Heme & Lymphoid Neoplasm: What is the histology code if a myeloproliferative disorder is reportable should a physician suspect this diagnosis and treats the patient? See Discussion.
Reportability/Ambiguous terminology--Heme & Lymphoid Neoplasms: Is a peripheral blood sample with an immunophenotype that is "characteristic of B-cell chronic lymphocytic leukemia" reportable?
Multiple primaries/Histology--Heme & Lymphoid Neoplasms: How is the histology coded when no bone marrow examination is performed but the peripheral blood flow cytometry listed several differential diagnoses and the physician states the diagnosis is small lymphocytic lymphoma? See Discussion.
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