MP/H Rules/HistologyCorpus Uteri: How should histology be coded for a "carcinosarcoma with high grade sarcomatous component within a polyp, with greater component of endometrioid carcinoma and foci papillary serous carcinoma within polyp"?
MP/H Rules/Histology: The 2010 SEER Manual has omitted some useful information in the Histologic Type ICD-O-3 section, specifically the statement of "Do not revise or update the histology code based on subsequent recurrence(s)". Will this statement be added to the revisions of the MPH rules? See Discussion.
MP/H Rules/Histology: In the MP/H Manual, where is the documentation indicating "focal" is not a term that can be used to code histology? See Discussion.
MP/H Rules/Histology: In the absence of a tissue diagnosis, should the histology field be coded based on the findings of a suspicious cytology or a CT scan that clinically confirmed the diagnosis? See Discussion.
MP/H Rules/Histology: How is histology coded for a diagnosis of "poorly differentiated endometrioid adenocarcinoma intermixed with osteoid sarcomatous component, consistent with malignant mixed mullerian tumor with heterologous (osteosarcoma) elements"? Is malignant mixed mullerian tumor synonymous with carcinosarcoma? See Discussion.
MP/H Rules/Histology/Behavior--Ovary: How are these fields coded for a 20 cm borderline mucinous tumor with a 0.3 cm minor focus of intraepithelial carcinoma of the ovary that the pathologist stages as T1a?
MP/H Rules/Histology/Ambiguous terminology: Can synonyms of listed terms, such as "variety" for the list termed "type," be used to code a more specific histology? See Discussion.
MP/H Rules/Histology--Urinary System: What is the histology code for a 2007 and later diagnosis of papillary carcinoma of the urinary system organs? See Discussion.