Report | Question ID | Question | Discussion | Answer | Year |
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20190056 | Behavior--Breast: What is the behavior of a solid papillary carcinoma when a pathologist does not indicate it in the pathology report and follow-up with the pathologist to obtain clarification regarding the behavior is not possible? See Discussion. |
Example: Mastectomy specimen final diagnosis shows two foci of invasive ductal carcinoma including: Invasive ductal carcinoma, no special type, in association with solid papillary carcinoma (tumor #1, 1 cm, slices 6 and 7) and invasive ductal carcinoma, no special type (tumor #2, 1.2 cm, slices 9 and 10). Summary Staging outlines, Tumor #1: Histologic Type: Invasive ductal carcinoma, no special type, in association with solid papillary carcinoma. As well as, Tumor #2: Histologic type: Invasive ductal carcinoma, no special type. Additional findings include ductal carcinoma in situ (DCIS): presently approximately 3.3 cm, spanning slices 10-13. The behavior of the solid papillary carcinoma component will affect the provisional histology of the first tumor (8523/3) per Rule H17 vs. 8500/3 per Rule H7). Based on the response, we can determine whether this represents a single or multiple primaries (single primary per M13 vs. multiple primaries per M14). |
Review all sections of the pathology report carefully for any mention of invasion, or lack of invasion, pertaining to the solid papillary carcinoma. Per WHO 4th Ed Breast: If there is uncertainty that there is invasion, these lesions should be regarded as in situ. The distinction between in situ and invasive disease in solid papillary carcinoma is difficult. |
2019 |
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20190094 | Reportability/Heme & Lymphoid Neoplasms--Skin: Is elephantiasis nostras verrucosa (ENV) reportable as a lymphoma? See Discussion. |
The autopsy report indicated a diagnosis of: Skin: Hyperkeratosis and pseudoepitheliomatous hyperplasia as well as reactive angioendotheliomatosis indicating Elephantiasis Nostras Verrucosa. |
Elephantiasis nostras verrucosa (ENV) is not reportable. ENV is a rare form of chronic lymphedema caused by any number of conditions including neoplasms, trauma, radiation treatment, congestive heart failure, obesity, hypothyroidism, chronic venous stasis, and parasitic infection. |
2019 |
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20190022 | Solid Tumor Rules (2018)/Histology--Lung: Is histology code or the number of primaries assigned differently in SINQ 20180093 if the word "pattern' was omitted? See Discussion. |
Regarding the answer to SINQ 20180093: This is a single primary; coded 8140/3 adenocarcinoma. In the biopsy and the two tumors found on lobectomy, the specific adenocarcinoma histologies are described as acinar predominant pattern, solid growth pattern and lepidic predominant pattern. You do not code a pattern, so rule M7 above applies and this is a single primary. My question is based on Note 2 in Coding Multiple Histologies for lung cancers that says: Predominantly describes the greater amount of tumor. Predominant and majority are synonyms. Per the CAP protocol, the term predominant is acceptable for the following specific subtypes of adenocarcinoma. For these subtypes only, the word predominant is used to describe both the subtype and the grade of the tumor. |
If the word "pattern' was omitted, you would abstract multiple primaries per the Lung Solid Tumor Rule M6 and code histology to adenocarcinoma, acinar predominant (8551/3) and adenocarcinoma, lepidic predominant (8250/3) per Rule H4 as the word "pattern' is not included in each histology. |
2019 |
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20190103 | Solid Tumor Rules/Multiple primaries--Brain and CNS: What M rule applies to a clinically diagnosed right-sided parietal meningioma undergoing active surveillance, followed by a left-sided frontal anaplastic oligodendroglioma? See Discussion. |
The patient has two, separate, non-contiguous tumors. One tumor is a benign meningioma and the other is a malignant oligodendroglioma. The original plan was not to treat the asymptomatic meningioma. However, after worsening symptoms, imaging and resection proved a separate left frontal lobe malignant tumor. Rule M5 is the only M Rule in the Malignant CNS Multiple Primary Rules, Multiple Tumors module that addresses separate non-malignant and malignant tumors. This rule provides only two criteria to follow when a malignant tumor follows a non-malignant tumor. The first criteria (for non-malignant tumor followed by malignant tumor) states: --Patient had a resection of the non-malignant tumor (not the same tumor) OR --It is unknown/not documented if the patient had a resection. This patient did not have a resection of the original, separate, non-malignant tumor, but the treatment plan was known to not include a resection. Should Rule M5 also apply to cases where the patient never had treatment planned for the separate non-malignant tumor? |
Apply 2018 Malignant CNS Solid Tumor Rule M5 and abstract multiple primaries when there are multiple CNS tumors, one of which is malignant /3 and the other is non-malignant /0 or /1. According to Note 3, a non-malignant CNS tumor and a malignant CNS tumor are always multiple primaries (timing and primary sites are irrelevant). Prepare two abstracts; one for the non-malignant and another for the malignant tumor. |
2019 |
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20190066 | Solid Tumor Rules (2018)/Histology--Breast: How is the histology coded for a metastatic carcinoma, consistent with primary breast carcinoma, when no other pathology information is available? See Discussion. |
The 2018 Breast Solid Tumor Rules Equivalent Terms and Definitions - Changes from 2007 Multiple Primaries/Histology Rules states: Mammary carcinoma is a synonym for carcinoma no special type (NST)/duct carcinoma not otherwise specified (NOS) 8500. It will no longer be coded as carcinoma NOS 8010. Should metastatic carcinomas of breast origin be 8500, or is code 8010 (carcinoma NOS) more applicable because histology coding from metastatic sites is not as reliable? |
Code as 8500/3 as it is the only tissue available for this carcinoma associated with a breast primary. Breast carcinoma NST/NOS is now coded as 8500. |
2019 |
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20190040 | Reportability--Heme & Lymphoid Neoplasms: Is peripheral blood with a diagnosis of monoclonal B-cell lymphocytosis (MBL) with chronic lymphocytic leukemia (CLL) phenotype reportable for any year? See Discussion. |
SINQ 20180050 and 20130041 appear to have conflicting answers regarding the reportability of MBL with CLL (immuno)phenotype. While the question content of SINQ 20180050 does not reference the CLL phenotype, it is included in the Discussion as part of the oncologist's assessment. The answer does not address the clinical diagnosis of MBL with CLL-phenotype and simply states that monoclonal B-cell lymphocytosis is not reportable. SINQ 20130041 does include the CLL phenotype information in the primary question and it is expanded on in the discussion as present in peripheral blood. Based on that information, the answer is that it should be reportable and coded as CLL (9823/3). |
The description in the question is for 9823/1 per WHO blue book 2016. This description and code are not reportable. We will review the other SINQ questions and revise if necessary. |
2019 |
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20190023 | First course of treatment/Radiation therapy--Kidney: Patient has a CT-guided biopsy of a right renal mass with procedure details under the Interventional Radiology Procedure Note stating "Gelfoam tract embolization." Is this particular embolization treatment? |
Gelfoam tract embolization for a CT-guided renal biopsy is not treatment. It is a method to plug the biopsy track to reduce the risk of hemorrhage. |
2019 | |
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20190057 | Reportability/Histology--Penis: Are and (PeIN) equivalent to PeIN3 and thus reportable? See Discussion. |
Appendix E1 of the 2018 SEER manual references a similar diagnosis as being reportable for vulva and vagina only. However, the WHO Classification of Tumors of the Urinary System and Male Genital Organs (4th ed) does include high grade penile intraepithelial neoplasia as a synonym for 8077/2. |
Penile intraepithelial neoplasia, grade III (PeIN III) and squamous cell carcinoma in situ of the penis are reportable. If possible, query the physicians as to whether "high grade penile intraepithelial lesion" or are synonymous with one of the reportable terms. If no further information can be obtained, report the case as C609 8077/2, and use text fields to document the details. |
2019 |
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20190044 | Solid Tumor Rules (2018)/Histology--Colon: Is the term phenotype equivalent to type, subtype, variant for the purpose of coding histology? See Discussion. |
In our region, pathologists often describe histology using the term phenotype. However, the use of the term phenotype is not discussed in the Solid Tumor Manual. Example: Final Diagnosis of a colon tumor is invasive adenocarcinoma with a mixed phenotype, and the Diagnosis Comment states: The majority of the disease is poorly differentiated/signet ring cell phenotype. Would the histology be coded to 8490 (signet ring cell carcinoma), if the majority of the tumor is a more specific histology described by the term phenotype? |
While variant, type, and subtype can be used interchangeably according to the Solid Tumor Rules, SINQ 20170058 states that the Multiple Primaries/Histology (now Solid Tumor) Rules do not include coding phenotype. Code as invasive adenocarcinoma NOS (8140). |
2019 |
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20190033 | Update to current manual/Neoadjuvant therapy/Pathologic tumor size--Breast: When a patient with invasive breast cancer is started on neoadjuvant therapy and at surgery is found to have only residual in-situ disease, do we record the size of the in-situ tumor for Pathologic Tumor Size? See Discussion. |
I understand that we are to record the Clinical Tumor Size in Tumor Size Summary because of the neoadjuvant therapy, but the SEER manual does not address what to record in the Pathologic Tumor Size after neoadjuvant therapy. Would we record 999 or the size of the in-situ tumor in the Pathologic Tumor Size field? Will there ever be a new data item added or changes to this current data item? By recording the Patholigic Tumor Size this way, there currently will not be any way to compare tumor size clinically versus after neoadjuvant therapy and assessing the response. |
Note: this is an update to the 2018 SEER manual. Assign 999 in Pathologic Tumor Size when neoadjuvant therapy has been administered. We can explore the possibility of another data item in the future. |
2019 |