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First Course Therapy/Surgery of Primary Site--Prostate: What is the correct surgical code for irreversible electroporation ablation of the prostate diagnosed in 2021?
Assign code 17 for irreversible electroporation ablation of the prostate when there is no tissue submitted to pathology for a 2021 or 2022 case.
Primary Site--Breast: What subsite code should be used for a diagnosis of "inflammatory carcinoma"?
Code the Primary Site field to C50.9 [Breast, NOS] for a breast primary presenting with inflammatory cancer unless there is a palpable mass within the breast. If there is a palpable mass, code the primary site to the position of the mass.
Multiplicity Counter: Is there a time frame for the Multiplicity Counter or is it related to the duration for counting new tumors (i.e. 5 years for breast, etc) to capture the number of "local recurrences"?
Record the number of tumors counted as a single primary at the time the case is abstracted. Later, if additional tumors are determined to be the same primary, update this field once. Do not update the multiplicity counter more than once.
Reportability/Histology: Is this reporatable? If so, what is the correct histology?
2012 duodenal nodule biopsy, pathology positive for well differentiated neuroendocrine neoplasm.
Report this case as 8240/3. In this context, well differentiated neuroendocrine neoplasm seems to be a synonym for neuroendocrine tumor (NET) G1 (carcinoid). According to the WHO classification, "Neuroendocrine neoplasms of the duodenum comprise NETs..."
Grade--Heme & Lymphoid Neoplasms: How is grade coded for a malignant non-Hodgkin lymphoma, large B-cell type, with features consistent with T-cell rich variant?
Code grade to 6 [B-cell] for the histology malignant non-Hodgkin lymphoma, large B-cell type, with features consistent with T-cell rich variant [9680/3]. Under the Definition section for histology code 9680/3 it states there are morphologic variants of the disease: centroblastic, immunoblastic, plasmablastic, T-cell/histiocyte-rich, anaplastic.
Rule G3 in the Heme Manual confirms the grade listed in the Heme DB under its Grade section for the histology 9680/3. While the patient presented with a variant of DLBCL that is T-cell/histiocyte rich, it is still a B-cell phenotype. The grade is coded accordingly.
SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.
Laterality--Head and Neck: Were the topography codes C090 and C091 intentionally left off of the Sites for Which Laterality Codes Must Be Recorded table in the 2018 SEER Manual? The codes were also removed from Table 10 in the 2018 Solid Tumor Rules for Head and Neck but appear under coding instructions 1b. and 6b. in the manual.
Thank you for bringing this to our attention. C090 and C091 were intentionally removed from the list of sites for which laterality must be coded. They should have also been removed from coding instructions 1b and 6b. We will make that correction in the next version of the manual.
Surgery of Primary Site--Breast: How is this field coded when a patient has a reduction mammoplasty (for macromastia) and within the pathology specimen there is an incidental finding of carcinoma?
Code this reduction mammoplasty to the code which best fits the amount of tissue removed. Read the operative report carefully. Code as a partial mastectomy, skin- nipple- areola-sparing mastectomy, or total (simple) mastectomy. Use text fields to record the details.
Update to Current Manual/2018 EOD Manual/EOD Primary Tumor--Bladder: According to the American Joint Commission on Cancer (AJCC), a transurethral resection of the bladder (TURB) cannot make a distinction between involvement of the superficial muscle-inner half (Stage T2a) and the deep muscle-outer half (Stage T2b). Is this same criteria applied to Extent of Disease (EOD)?
EOD follows AJCC criteria in this situation and we have confirmed with AJCC that Stage T2a (superficial muscle) and Stage T2b (deep muscle) cannot be assigned when only a TURB is done.
For EOD Primary Tumor, Bladder, codes 200, 250, 300, 350, can only be used when
Cystectomy is performed
Muscularis propria is involved, AND
Pathology report states superficial muscle (200, 250) or deep muscle (300, 350) is involved
If a TURB is done and there is mention of the muscularis propria invasion (superficial muscle or deep muscle), use EOD codes 370 or 400. If a TURB is done and the pathology report states superficial or deep muscle, ignore and coded as “invasion of muscularis propria, NOS” (EOD codes 370 or 400).
Instructions and code descriptions for EOD Primary Tumor have been updated to indicate this. These updated instructions and code descriptions will be available when SEER*RSA is updated for 2024, Version 3.1 (Sept/Oct 2023). These updates are included here for reference and can be applied for cases diagnosed 2018+.
Reportability/Histology--Endometrium: Is endometrial hyperplasia with atypia equivalent to atypical hyperplasia of the endometrium (8380/2) and thus reportable?
Endometrial hyperplasia with atypia is equivalent to atypical hyperplasia of the endometrium (8380/2) and thus reportable for cases diagnosed 2021 and later. Our expert pathologist consultant confirmed this for us.