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Report Produced: 09/11/2025 19:19 PM

Report Question ID Question Discussion Answer Year
20140077

MP/H Rules/Histology/Multiple primaries--GE junction: How is histology coded for a goblet cell carcinoma in the GE junction? See discussion.

The patient was diagnosed with GE junction signet ring adenocarcinoma (8490/3) in 5/2012, treated with radiation. GE junction biopsy on 9/20/2012 showed residual signet ring carcinoma. Subsequent biopsies on 7/8/2013 showed GE junction biopsy of invasive adenocarcinoma, signet ring cell type along with “Esophagus, distal and GE junction biopsies” (site not further clarified in available documentation) with Goblet cell carcinoma. The histology code for the goblet cell carcinoma is needed to determine the number of primaries.

According to our expert pathologist consultant, goblet cell is a descriptive term and not a specific histology in this context. There is no ICD-O-3 code for it. The "goblet cell carcinoma" in this case is not a new primary.

Goblet cell is used to describe some cells containing mucin. In addition to individual tumor cells containing mucin which compresses the nucleus to give the appearance of signet rings, the mucin is present in columnar cells with the nuclei at one end -- this latter is a pattern often seen when glandular structures are formed by the tumor cells. It is also often intermixed with the signet ring cells in the surrounding stroma.

2014
20140024

MP/H Rules/Histology--Bladder:What is the correct histology code for the following bladder histology? High grade urothelial cancer with extensive neuroendocrine differentiation.

Code neuroendocrine carcinoma, 8246/3. Note 2 under Rule H7 applies.

We are reviewing mixed histologies for the next version of the rules.

2014
20140079

Laterality: Why is a code 5 for laterality midline only allowed for certain sites of brain and skin? I have a nasal cavity tumor and the path report specifically says "Tumor laterality: midline". What is the correct laterality code here?

Assign laterality code 9 for midline nasal cavity tumor. We will investigate this issue further.

2014
20140065

Summary Stage 2000--Melanoma: How should Summary Stage 2000 be coded for 2014+ diagnosed melanoma cases with satellite nodules or in transit metastases? See discussion.

The SEER SS (SSS) 2000 Manual indicates satellite nodules (NOS or less than/equal to 2cm from primary tumor) are regional by direct extension (code 2) and in-transit metastasis (satellite nodules greater than 2 cm from primary tumor) are coded as involvement of regional lymph nodes (code 3). However, CSv0205 indicates mapping for satellite nodules/in transit metastasis (coded in CS LN) was changed to Regional, NOS (code 5). There are no definitions listed for code 5 in the SSS 2000 Manual.

Our staff independently code SSS 2000. Should we code the existence of satellite nodules and in transit metastases according to the current definitions in the SSS 2000 Manual or using the mapping information from CSv0205?

Code the existence of satellite nodules and in transit metastases according to the current definitions in the SSS 2000 Manual. Do not use the mapping information from CS to code SSS.

2014
20140078

Surgery of Primary Site--Bladder: Is any mention of cautery in the gross description of pathology for a TURBT specimen sufficient to code 22 (excisional biopsy with electrocautery), or does there need to be a statement in the operative report that electrocautery was performed? See discussion.

Often, pathology for TURBT with non-invasive papillary TCC includes a gross description with a variety of cautery descriptions. For example, "received are three cautery roughened gray-pale pink tissue fragments.” However, the operative report is documented as a "TURBT" with no further description of the procedure.

Assign code 22 when cautery is mentioned n the gross description of pathology for a TURBT specimen.

2014
20140089

Multiple primaries--Heme & Lymphoid Neoplasms: Should the 2014 diagnosis be abstracted as a new primary since it is not mantle cell lymphoma and all of the types listed in the differential diagnosis would be a new primary? See discussion.

Mantle cell lymphoma diagnosed in 1997 which was treated with chemotherapy. Now in 2014 a 'relapse' of non-Hodgkin lymphoma. They do a biopsy of the pericardium, which is called low grade B cell non Hodgkin lymphoma. See comment. The comment says histochemical stains are reviewed and findings are consistent with involvement by a CD5 positive low grade B cell lymphoma. Lack of cyclin D1 and SOX-11 positivity as well as negative IGH-CCND1 FISH analysis essentially rule out mantle cell lymphoma. The morphologic and immunophenotypic features of this disorder are not specific for any lymphoma subtype. The differential includes CLL, marginal zone lymphoma, and lymphoplasmacytic lymphoma. If this is coded NHL, NOS (9591) it is the same primary as seq. 1 and would not be abstracted.

This is the same primary, the mantle cell lymphoma.

Differential diagnoses cannot be used to assign histology. For the 2014 diagnosis, the only histology that can be assigned is 9591/3 for non-Hodgkin lymphoma, NOS. (CLL, mantle cell lymphoma and lymphoplasmacytic lymphoma are all NHL's.)

Compare the 1997 diganosis of mantle cell lymphoma with the 2014 diagnosis of non-Hodgkin lymphoma. Start with Rule M1. The first rule that applies is Rule M15, which instructs you to use the multiple primaries calculator. Enter 9673/3 and then 9591/3 and then calculate. The result is same primary.

If at a later time one of the differential diagnoses is confirmed, apply the rules again.

 

 

 

 

2014
20140022

MP/H Rules/Kidney, renal pelvis--How many primaries are there for this case? Should we stop at rule M8 making this all one primary (C689) even though there were right and left renal pelvis tumors? Rule M3, which contains laterality, does not apply because there is also a bladder tumor. See discussion.

Kidney: originally diagnosed 12/21/2011 with right renal pelvis high grade papillary urothelial cancer. Status post right nephrectomy. Then on 01/10/2013 diagnosed with low grade papillary urothelial cancer of the bladder. 01/21/2013 diagnosed with left renal pelvis urothelial carcinoma iIn situ. Path report stated this may represent a hgh grade papillary urothelial cancer – unable to confirm due to specimen size. On 01/24/2013 left periaortic lymph node biopsy revealed poorly differentiated carcinoma consistent with prior diagnosed right renal pelvis high grade urothelial cancer. Neither the bladder nor the left renal pelvis tumor was compared to the previous right renal pelvis tumor. Also has bone mets.

Abstract this case as a single primary.

First, apply the MP/H rules to compare the 2013 bladder tumor to the 2011 renal pelvis tumor. Rule M8 applies, this is a single primary. Next, apply the MP/H rules to compare the 2013 in situ renal pelvis tumor to the 2011 renal pelvis tumor. Rule M8 applies, this is a single primary. As you correctly pointed out, Rule M3 for bilateral renal pelvis tumors, does not apply because there is also a bladder tumor in this case.

2014
20140008 Primary site: If text supports a pancreatobiliary primary with no other information what primary site code would be assigned? C249 biliary tract NOS, or C269 GI tract nos, or C809 unknown? Assign C269 in the absence of any additional information. 2014
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.

 

2014
20140057

MP/H Rules/Histology--Bladder: What is the correct histology code for a diagnosis of urothelial plasmacytoma carcinoma of the bladder per pathology report?

Assign code 8120/3, urothelial carcinoma, NOS, to urothelial plasmacytoma carcinoma of the bladder.  The WHO classification describes plasmacytoid variants of urothelial carcinoma. There is no specific ICD-O-3 code for these variants; however, and 8120/3 must be used.

2014