SEER Inquiry System - Search

MP/H Rules/Histology--Melanoma: Please clarify what we should code when we see the term 'spitz or spitzoid' in association with melanomas. See Discussion.

MP/H Rules/Histology--Pancreas: What is the histology code of invasive adenocarcinoma, non-mucinous with intraductal tubulopapillary features, moderately differentiated, from the pathology report final diagnosis of the pancreas? Does 'intraductal" refer to a non-invasive/in-situ component or describe the pattern of growth?

MP/H Rules/Histology--Prostate: What is the histology code for a prostate case whose histology reads “adenoca with mixed ductal and acinar variants?

MP/H Rules/Histology--Rectum: When not specifically mentioned as part of the histology, is the adenoma a second histologic type, or just a further physical description of the tumor? See Discussion.

MP/H Rules/Histology--Sarcoma: Is 8811/3 the correct code for myxofibrosarcoma (myxoid malignant fibrous histiocytoma) high-grade (grade 3/3)?

MP/H Rules/Histology--Sarcoma: What is the appropriate histology code for a final diagnosis of undifferentiated pleomorphic sarcoma and/or pleomorphic sarcoma, undifferentiated? See Discussion.

MP/H Rules/Histology--Sarcoma: What would be the morphology code for a low grade myofibroblastic sarcoma of the left distal forearm? I tried several different combinations but the closest I could come up with is myosarcoma.

MP/H Rules/Histology--Skin: How is histology coded for an "endocrine mucin-producing sweat gland carcinoma with transformation to mucinous carcinoma"? See Discussion.

MP/H Rules/Histology--Skin: What histology code and MP/H Rule apply to a skin primary with the final diagnosis, ? See Discussion.

MP/H Rules/Histology--Testis: How should histology be coded for a mixed germ cell tumor that also includes choriocarcinoma now that non-seminomatous mixed germ cell tumors (9065) and seminomatous mixed germ cell tumors (9085) are collapsed for analysis? See Discussion.