Report | Question ID | Question | Discussion | Answer | Year |
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20190035 | Reportability/Histology--Vulva/Penis: Are differentiated penile intraepithelial neoplasia (C60._) and differentiated vulvar intraepithelial neoplasia (C51._) reportable for cases diagnosed 2018+? See Discussion. |
We previously downloaded the 8/22/2018 ICD-O-3 histology update tables which included the note, not reportable for 2018, for both of these terms (with an updated histology 8071/2). SINQ 20180020 confirms differentiated penile and vulvar intraepithelial neoplasia are NOT reportable for 2018 (as does 20160069). However, when looking at the 8/22/2018 ICD-O-3 histology update table today, the not reportable for 2018 comment has been removed and it appears these two terms are reportable. Which is correct? |
Report differentiated vulvar intraepithelial neoplasia and differentiated penile intraepithelial neoplasia (8071/2). The 2018 ICD-O-3 Coding Table errata dated 8/22/2018, lists the summary of changes of 7/20/2018, stating that these were erroneously flagged as not reportable and the flag was changed from not reportable to reportable (N to Y). We will update SINQ 20180020. |
2019 |
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20200049 | Summary Stage 2018/EOD 2018--Lymphoma Orbital Adnexa: What is the correct Summary Stage 2018 (SS2018) for the site/histology Orbit, NOS (C696), 9699/3? In SEER*RSA, Extent of Disease (EOD) Primary Tumor references code 7 (Distant), whereas SS2018 assigns code 2 (Regional)? See Discussion. |
We received an edit error in SEER*DMS on the following site/histology (Orbit, NOS (C696)/9699/3) that involved an incorrect staging code being assigned to SS2018. The staging language is identical in AJCC, EOD and SS2018. SEER*RSA notes that SS2018 should be coded distant, but in the SS2018 manual, this language is noted Regional. Staging language is: Orbital adnexal lymphoma AND extraorbital lymphoma extending beyond the orbit to adjacent structures--Bone, Brain, Maxillofacial sinuses |
To clear this edit of the derived Summary Stage (based on EOD) and the manually assigned Summary Stage (based on Summary Stage 2018), assign the manually assigned Summary Stage to 7. For this particular case, EOD Primary Tumor 700 (which is correct based on the information received) derives Distant; however, for Summary Stage 2018, this description is under Code 2 for Regional by direct extension. This is an error. For 2022, Summary Stage for Lymphoma Ocular Adnexa description under Code 2 (Regional by direct extension) will be moved to Distant. No changes will be done to EOD. |
2020 |
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20200062 | Solid Tumor Rules (2018)/Multiple Primaries--Lung: How many primaries should be reported when a patient has a 7/2016 diagnosis of right lower lobe lung mucinous adenocarcinoma, treated with Erlotinib and Avastin? In 4/2020, a liver biopsy finds metastatic high grade neuroendocrine carcinoma, clinically stated to be metastatic lung cancer, with no evidence of a new primary lung tumor on PET (liver the only site of disease)? See Discussion. |
We think this should be a single primary because the Solid Tumor rules do not apply to metastases. However, we are not sure whether or not the instructions outlined for prostate (SINQ 20180088, 20130221), that indicate we are to accession a new metastatic tumor only with a small cell neuroendocrine histology after an adenocarcinoma, also applies to lung primaries. We are aware of a phenomenon in which lung adenocarcinoma cases treated with Erlotinib can transform to small cell, but do not know whether it impacts the number of reportable primaries. |
Accession two primaries, adenocarcinoma [8140/3] and small cell neuroendocrine carcinoma [8041/3] per Rule M8 of the Lung Solid Tumor Rules, as these histology codes are on different rows in Table 3 of the rules. This is consistent with similar prior SINQ questions. |
2020 |
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20220020 | Histology--Thyroid: What is the correct histology code for a thyroidectomy with final diagnosis of “Right lower lobe: papillary microcarcinoma, conventional type, 0.8 cm. Isthmus: papillary microcarcinoma, follicular variant, 0.2 cm. Left lobe: Papillary carcinoma, conventional, unencapsulated.” See Discussion. |
We were previously told that papillary microcarcinoma is coded to 8260 (papillary thyroid carcinoma) and not papillary microcarcinoma (8341). That is an area of confusion. |
Based on the information provided, code histology to follicular variant of papillary thyroid carcinoma (8340/3). The tumor is a mix of papillary and follicular variants. |
2022 |
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20240057 | Solid Tumor Rules/Histology--Brain and CNS: What is the histology code for angiocentric glioma? See Discussion. |
We would like to confirm that the correct histology code is 9431/1 per ICD-O-3.2, as the Non-Malignant CNS Solid Tumor Manual lists the histology code as both 9431/1 (pages 301 and 303 of the combined manual), but also shows it as a synonym for 9421/1 – Diffuse astrocytoma, MYB- or MYBL1 altered (page 304). |
Assign code 9431/1 for angiocentric glioma. This has been corrected in the 2025 update. Angiocentric glioma was removed from the 9421/1 row and remains in its own row. |
2024 |
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20031167 | Primary Site/Histology--CLL/SLL: How should these fields be coded when the pathological diagnosis of chronic lymphocytic leukemia/small lymphocytic lymphoma is made on bone marrow biopsy only but scans show lymphadenopathy? See Description. | What histology would we give these two examples? 1. Bone marrow bx: CLL/SLL. CT chest/abdomen: Mediastinal and retroperitoneal adenopathy. 2. Bone marrow bx: CLL/SLL. CT chest/abdomen: Mediastinal and retroperitoneal adenopathy suspicious for lymphoma. |
For cases diagnosed prior to 1/1/2010:If a lymph node or other solid tissue is involved initially, code to SLL. For lymphoma, any mention of lymph nodes is indicative of involvement. Involvement does not have to be proven pathologically in order to code to Small Lymphocytic Lymphoma (SLL). Code both of the examples to SLL. For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ. |
2003 |
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20100093 | MP/H Rules/Multiple primaries: Please clarify how rule M10 for Other Sites was developed and how a "recurrence" of the tumor after one year was determined to be a new primary? See Discussion. |
What is the expected outcome or result of rule M10? Specifically, for soft tissue sarcomas, why is a recurrence after one year a new primary instead of a recurrence? |
For cases diagnosed 2007 or later: Rule M10, tumors occurring more than one year apart are multiple primaries, was developed to differentiate a new primary from a recurrence. The rule was developed with the concurrence of the CoC site-specialty physicians and the SEER consulting pathologist. There was agreement between all of the CoC site teams and the consulting pathologist that statements of recurrence should not be relied upon to rule out a new primary. The time limits for each site were set based on information from peer-reviewed articles on tumors occurring in the same site and studies using molecular studies to confirm whether or not the tumors were histologically similar. Determination of the time limit for the "other sites" rules was probably the most difficult because so many sites are involved. However, the specialty-physicians felt that one year was an appropriate length of time to apply to these sites. |
2010 |
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20031090 | EOD-Size of Primary Tumor/First Course Treatment--Breast: How is tumor size coded when preventative tamoxifen treatment precedes breast cancer diagnosis? Can we code the tumor size from the surgical specimen? Is tamoxifen treatment here? See Description. |
What is the tumor size in this situation? Patient is on the STAR trial (preventative tamoxifen for women with high risk for breast cancer). Patient develops breast cancer and has surgery. |
For cases diagnosed 1998-2003: Code EOD-Size of Primary Tumor from the surgical pathology report. Do not code this preventative tamoxifen as first course cancer-directed treatment. This tamoxifen was part of a clinical trial intending to delay or prevent beast cancer from developing. |
2003 |
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20170057 | Grade: If the biopsy site is a higher grade, is the grade of the biopsy used over the grade of the surgical resection? See Discussion. |
When coding tumor grade, our pathologists have told us to code grade based on the specimen from the most definitive surgery or with the most amount of tissue, and that coding grade from the biopsy would not be appropriate even if it is a higher grade than from the surgical resection. Coding of solid tumors Instruction 5 states: If there is more than one grade, code the highest grade within the applicable system. Code the highest grade even if it is only a focus. Code grade in the following priority order using the first applicable system. |
For cases diagnosed prior to 2018: Use the Grade Coding Instructions to code grade. The instructions are intended to standardize coding of grade across the U.S. and to eliminate differences in opinion between pathologists. Standardized coding ensures that data can be combined and used for statistical analysis. You may code grade based on the biopsy when following the grade coding instructions. |
2017 |
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20140003 | Surgery of Primary Site/Surgical Procedure of Other Sites--Endometrium: How are these fields coded for an endometrial primary when the patient undergoes a radical tumor cytoreduction including modified radical hysterectomy, BSO, omentectomy, resection of intra-abdominal and intrapelvic implants, and partial cystectomy? See discussion. | When other regional sites (besides the omentum) are removed with the primary site, how is Surgical Procedure of Other Site coded? There is no cytoreduction surgery code for endometrial primaries, and this patient does not appear to qualify for any of the specific pelvic exenteration codes. Per SINQ 20091118, an omentectomy is not coded in the Surgical Procedure of Other Site field when it is performed with a hysterectomy. |
In general, record surgery of sites/organs not covered in the surgery of primary site codes under surgery of other site. For this case, code the partial cystectomy under surgery of other site. As you point out, the omentectomy is not recorded under surgery of other site when performed with a hysterectomy for an endometrial primary. | 2014 |