Histology--Heme & Lymphoid Neoplasms: How is this field coded when the final diagnosis for excisional biopsy of two cervical lymph nodes shows classical Hodgkin lymphoma, histologic subtype cannot be determined, but the COMMENT section of the report indicates there are features of both lymphocyte rich and nodular sclerosis subtypes?
Reportability--Melanoma: Is a pathology report with a final diagnosis stating only non-reportable terms, followed by a re-excision pathology report that indicates "no residual melanoma" reportable? See Discussion.
Multiple primaries/Primary site--Heme & Lymphoid Neoplasms: What are the primary sites and how many primaries are abstracted, when 2004 diagnosis of grade 2 follicular lymphoma of the bilateral breasts is subsequently diagnosed with a 2010 diagnosis of diffuse large B-cell lymphoma (40%) and grade 3a follicular lymphoma (60%) of a left arm nodule? See Discussion.
Reportability/Behavior: Is a "minimally invasive thymoma" a reportable malignancy if the pathology report does not specifically state it is malignant? See Discussion.
Primary site--Heme & Lymphoid Neoplasms: What primary site is coded for the 2010 cervical lymph node excision diagnosis of composite lymphoma that followed a 2002 history of follicular lymphoma involving lymph nodes and organs on both sides of the diaphragm? See Discussion.
Primary site--Heme & Lymphoid Neoplasms: How is the primary site coded when both a lymph node biopsy and peripheral blood are positive for CLL/SLL? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted when a right parotid mass shows "MALT Lymphoma with transformation to Diffuse Large B-cell Lymphoma" but the patient has no known history of MALT lymphoma?
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.
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