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20140031 | MP/H Rules: Regarding rules for Renal Pelvis, ureters, bladder & urethra - Please clarify Rule M8. Rule M8 references Table 1, but table 1 is a table of histologies not primary sites, Rule M8 also seems to contradict Table 2 and Rule M10. Does it matter where the first primary is, ie bladder then urethra or bladder then renal pelvis? |
Table 2 does not apply to diagnoses in 2007 and later. A watermark over (or near) Table 2 states "Do not use for cases diagnosed on or after 2007." Table 2 lists previous SEER site groupings for cases prior to 2007.
The MP/H rules are in hierarchical order. Use the first rule that applies. When Rule M8 applies, there is no need to check Rule M10. Rule M8 is for the urinary sites listed and derives single primary. Rule M10 is for all sites, except the sites listed in Rule M8, and derives multiple primaries.
It does not matter where the first primary is, i.e. bladder then urethra or bladder then renal pelvis. If there are two or more tumors in two or more of these four sites listed in Rule M8 with histologies listed on Table 1, abstract as a single primary. |
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20140026 | Histology: Are all well differentiated neuroendocrine carcinomas (carcinoid) tumors coded to 8240 or 8246? When do you use code 8246? |
Code 8246 is correct when the mass/lesion is referred to as neuroendocrine "carcinoma" or NEC. Use code 8240 when the mass/lesion is referred to as a neuroendocrine "tumor" or NET G1. The difference is the word tumor versus carcinoma. Carcinoid is most often used interchangeably with neuroendocrine tumor and not with neuroendocrine carcinoma. |
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20140016 | MP/H Rules/Histology--Bladder: What is the correct histology code for this situation? See discussion. | Patient has 2 bladder tumors, both invasive -- one is transitional cell carcinoma (8120/3) and the other is papillary TCC (8130/3). They have the same extent of disease, both involve the lamina propria. Is this 8120, because of the Note under rule H11 or is this 8130 because under rule H12, it says 'papillary carcinoma and transitional cell carcinoma'? If so, what is the meaning of the note under rule H11? | Rule H12 applies, code to 8130. The note under H11 is intended to explain the order of the rules; that is, why the rule to code papillary transitional/urothelial cell carcinoma (H12) follows the rule to code transitional/urothelial cell carcinoma (H11). |
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20140040 | Reportability/Primary Site--Lip: Is a right lower lip (NOS) squamous cell carcinoma reportable when the microscopic description states the tumor arises from the epidermis and extends through the dermis? See discussion. |
We are having difficulty determining whether the primary site is lip, NOS (C009) or skin of lip (C440). Usually we look for a statement of “skin” or “mucosa” in the microscopic description if the specimen label is only lip, NOS as instructed by the previous SINQ 20051049. Is a statement of "epidermis" or "dermis" in the microscopic description enough to indicate carcinoma is arising in the skin of the lip (C440) and thus not reportable? |
This case is interpreted as skin of lip and not reportable. According to our expert pathologist consultant, the pathologist in this case "is specifically saying "epidermis" and "dermis" and I would have to think it is skin, and thus not reportable." |
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20140017 | Multiple Primaries--Heme & Lymphoid Neoplasms: 2012 path report for removal of an "axillary mass" which consists of 80% diffuse large B-cell lymphoma (DLBCL) and 20% follicular lymphoma. In the original manual, Module 6 instructed us to code as a single primary, DLBCL. However, the multiple primary calculator says each disease is a separate primary. When I looked them up in the data base, I did not get an option to review a current manual. Can you please advise? |
Code as a single primary with histology Diffuse Large B-Cell Lymphoma.
In this case, there are two NHLs in the same location at the same time. Apply Rule M4, this is one primary. Per Note 5 under Rule M4, go to Rules PH11and PH15 to assign primary site and histology.
Rule PH11 states to code to the site of the origin (axillary mass) and to diffuse large b-cell lymphoma (9680/3) when DLBCL and any other non-Hodgkin lymphoma (follicular in this case) are present in the same location at the same time.
Using the multiple primaries calculator in this situation will give you two primaries, which is the wrong answer. Use the rules before using the calculator.
To get to the manual, go to the "Help me code for dx year." section. Choose 2010 or later and the most current manual will appear. We recommend that you save a copy of the PDF on your computer. |
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20140088 | Reportability--GIST: The 2014 SEER Program Coding and Staging Manual and the answer to SINQ 20100014 appear to conflict with respect to reporting GIST cases. The manual states (p.5, exception 1) that we are to accession the case if the patient is treated for cancer. However, the patient in Example #7 in the SINQ discussion is receiving chemotherapy, but is deemed not reportable. This is a problematic issue in our area, as pathologists prefer using the NCCN “Risk Stratification of Primary GIST by Mitotic Index, Size and Site” table rather than stating whether the tumor is benign or malignant. Although they tell us that moderate or high risk should receive treatment, they will not characterize them as malignant. |
Determining reportability for GIST is problematic because of the reluctance of pathologists to use the term "malignant" for GIST cases. If you can document the pathologist's terminology and case characteristics (e.g. treatment) that correspond to "malignant" for your registry as part of the registry's policies and procedures, you can report those cases as malignant.
The exception cited above in the SEER manual pertains to a clinical diagnosis with a negative pathology report. Normally, the negative pathology report would override the clinical diagnosis and the case would not be reportable. However, if the patient is treated for a malignancy in spite of the negative pathology, report the case.
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20140061 | Primary Site/In Situ: How is primary site coded for an in situ carcinoma arising in a mucinous cystadenoma with ovarian stroma (focal) located in the right lobe of the liver? See discussion. |
The SEER Coding and Staging Manual instructs one to code the primary site to the location where the tumor originated, in this case the liver. However, there is no CS Extension code for in situ tumors found in the CS Manual Liver Schema. |
Based on the information provided, the primary site is liver. Submit the CS question to the CoC CAnswer Forum, http://cancerbulletin.facs.org/forums/content.php |
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20140038 | MP/H Rules/Multiple Primaries--Urinary: How many primaries are there and which MP rules apply in this scenario? See discussion. |
Patient has 2 tumors in the left ureter; one is transitional cell (8120) and one is papillary transitional cell (8130). Rule M6 says BLADDER tumors with any combination of the following histologies ... are a single primary. But this is not a bladder case. Rule M8 says urothelial tumors in 2 or more of the following sites are a single primary... but this is not in 2 or more sites. Rule M9 then says histologies different at the 1st, 2nd, or 3rd digit are separate primaries. That makes this 2 primaries, but I do not think this should be 2 primaries. |
Rule M9 applies. Abstract 2 primaries.
We will evaluate this scenario for the next version of the multiple primary rules. |
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20140049 | Reportability--Brain and CNS: Is Tuberculum sellae meningioma reportable? Is it same as sphenoidale meningioma? Path: Brain tuberculum tumor resection: Meningioma, WHO grade I. |
Revised answer based on ST rules Yes, a Tuberculum sella meningioma is reportable if diagnosed 2004 or later. Code the primary site C700, cerebral meninges. It is a meningioma originating from the meninges of the Tuberculum sellae, which is part of the sphenoid bone. |
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20140087 | MP/H Rules/Multiple primaries--Ampulla of vater: Is this a new primary? Patient has intramucosal adenocarcinoma in a tubulovillous adenoma of the ampula of vater in Sept. of 2011. In May of 2012, patient has another ampullary adenoma with intraepithelial carcinoma (pTis) and an area suspicious for invasion. This is coded 8263/3.
Rule M14, Multiple in situ and/or malignant polyps are a single primary, precedes rule M15, An invasive tumor following an in situ tumor more than 60 days after diagnosis is a multiple primary, per the MP rules for 'Other sites', |
Rule M14 applies. Abstract this case as a single primary. |
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