Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted for a case with a history of follicular lymphoma, grade 2 and a subsequent splenectomy diagnosis of diffuse large B-cell lymphoma? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are reported if a patient originally diagnosed with CLL is subsequently diagnosed several months later on a bone marrow biopsy with Richter's syndrome that transformed into a large cell lymphoma? See Discussion.
Behavior--Brain and CNS: Can hemangioblastomas occurring in the CNS be coded as /3 (malignant) based on a radiologic or clinical diagnosis by the physician? See Discussion.
Primary site/Histology: Do the 4/1/09 changes in the ICD-O-3 Site/Type Validation table regarding the coding of primary site for intestinal type adenocarcinoma mean that the former valid site/histology combinations are now impossible and require review from a given diagnosis date forward? See Discussion.
MP/H Rules/Histology--Corpus Uteri: Which MP/H rule applies in coding histology for a "high grade endometrioid adenocarcinoma with squamous differentiation (adenosquamous carcinoma)"? See Discussion.
MP/H Rules/Histology--Testis: Which MP/H rule applies in coding the histology described as a "malignant mixed germ cell tumor with the following features: Histologic type: embryonal carcinoma (97%) and yolk sac tumor (3%)"? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: Is a recently diagnosed granulocytic sarcoma followed by a diagnosis of AMLÂ two primaries? See Discussion.
Diagnostic confirmation/Date of diagnosis--Heme & Lymphoid Neoplasms: How are these fields coded for a 2/11/10 negative bone marrow biopsy with cytogenetic abnormalities if the physician makes a clinical diagnosis of refractory cytopenia with multilineage dysplasia on 2/25/10? See Discussion.
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