SEER Inquiry System - Search

Histology--Heme & Lymphoid Neoplasms: Is there an inconsistency between the histologies listed as deleted in the ICD-O-3.2 Implementation Guidelines and the obsolete histologies in the Hematopoietic and Lymphoid Neoplasms Database (Heme DB)? See Discussion.

Solid Tumor Rules (2018)/Histology--Thyroid: What is the correct histology code for a micropapillary thyroid carcinoma for cases diagnosed 1/1/2021 and later? See Discussion.

Solid Tumor Rules (2018)/Histology--Head & Neck: Paraganglioma, NOS is reportable and malignant for cases diagnosed 1/1/2021 and later. Paraganglioma, NOS is listed in the ICD-O-3.2 Coding Table as 8680/3 without synonyms or related terms. Table 4 (ICD-O-3.2 Implementation Guidelines) lists 8693/3 Paraganglioma as a new preferred term. Is this correct? See Discussion.

Solid Tumor Rules (2018)/Histology--Head and Neck: What is the histology of paraganglioma, NOS arising outside of the adrenal gland (for example, in the bladder) for cases diagnosed 1/1/2021 and later? See Discussion.

Primary Site/Histology--Sarcoma: Do the clarifications in the 2018 ICD-O-3 Update Table regarding undifferentiated high-grade pleomorphic sarcoma (8830/3) apply to cases diagnosed 1/1/2021 and later with the implementation of ICD-O-3.2? See Discussion.

Reportability/Histology--Kidney: Is hybrid oncocytic chromophobe tumor reportable for cases diagnosed 2021 and later? If so, how is the histology coded? See Discussion.

Solid Tumor Rules (2018)/Histology--Corpus Uteri: How is histology coded for cases of carcinosarcoma/malignant mixed Mullerian (MMMT) tumor diagnosed 2021 and later? See Discussion.

Solid Tumor Rules (2018)/Histology--Pancreas: How is the histology coded, and what H Rule applies, for a 2021 diagnosis when the pathological diagnosis is neuroendocrine tumor (NET) G1 or NET G2, but clinically, the tumor is stated to be insulinoma? See Discussion.

Reportability/Histology--Pancreas: Is a diagnosis of insulin-producing (insulinoma) epithelioid neoplasm reportable if made 2021 and later? If so, is the histology coded as 8151/3 per the ICD-O-3.2 Coding Table? See Discussion.

Solid Tumor Rules (2018)/Primary Site--Brain and CNS: Should the updated note for optic nerve glioma be included in both the 2018 Solid Tumor Rules for Malignant Central Nervous System (CNS) and Peripheral Nerves, Note 6, and the Non-Malignant CNS Tumors, Note 5? See Discussion.