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20140033 | Reportability/Ambiguous Terminology--Prostate: Can you clarify why a prostate biopsy diagnosis of “highly suspicious for, but not diagnostic of adenocarcinoma, suggest another biopsy” is not reportable while a biopsy diagnosis of “atypical glands suspicious for adenocarcinoma with insufficient atypia to establish a definitive diagnosis of malignancy” is reportable? See discussion. |
SINQ 20091103 states that prostate biopsies showing “highly suspicious for, but not diagnostic of adenocarcinoma, suggest another biopsy” are NOT reportable. However, SINQ 20071056 states that “atypical glands suspicious for adenocarcinoma with insufficient atypia to establish a definitive diagnosis of malignancy” is reportable. This appears to be an issue of semantics with no clearly outlined method to determine reportability of such cases.
We have two recent cases with similar semantic issues and want to know whether they are reportable.
1) Prostate biopsy with “atypical small acinar proliferation, highly suspicious for adenocarcinoma, with quality/quantity insufficient for outright diagnosis of cancer.”
2) Prostate biopsy with “atypical small acinar proliferation highly suspicious for adenocarcinoma but due to the small size of focus, findings are not definitively diagnostic.” |
Both case examples provided are reportable using instructions for ambiguous terminology. The diagnoses are qualified by the words "highly suspicious" because neither diagnosis is definitive ("insufficient for outright diagnosis of cancer" and "not definitively diagnostic."). However, we follow our instructions for interpreting ambiguous terminology and report these cases.
SINQ 20091103 differs slightly. The final diagnosis in 20091103 declares unequivocally "not diagnostic of adenocarcinoma." That phrase in the final diagnosis negates the ambiguous terminology. The situation in 20071056 is similar to the two examples above - the ambiguous terminology instructions apply. |
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20140032 | Histology--Breast: Please confirm the morphology code for a diagnosis of "encapsulated papillary carcinoma" of the breast. Several articles on the internet lead me to believe it is the same as an intracystic carcinoma, code 8504/2 (our case shows no evidence of invasion). |
You are correct in coding 8504/2 for this case. Per the 4th Edition WHO Tumors of the Breast, encapsulated papillary carcinoma (EPC) of the breast is synonymous with intracystic or encysted papillary carcinoma. It is a variant of ductal carcinoma in situ (DCIS). |
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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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20140030 | MP/H Rules/Multiple primaries--Bladder: Is this a single primary or multiple primaries? Transurethral resection of the bladder identifies two bladder tumors. Pathology states one is high grade papillary carcinoma (8130/3) and the other is lymphoepithelioma-like urothelial carcinoma (8082/3). Lymphoepithelioma-like is listed as a urothelial type in Table 1 but rule M6 does not include it in the list of histologies and we are not told to refer to Table 1. M8 refers to Table 1 but does not include multiple bladder tumors (C67_). Specify which rule would apply and why. |
Rule M9 applies to this case. Abstract two primaries. M6 does not apply to this case because code 8082 is not one of the applicable histology codes for M6. This situation will be reviewed as we prepare the next version of the rules. |
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20140029 | MP/H Rules/Histology-Urinary: 1) What is the correct ICD-O-3 morphology code for conventional renal cell carcinoma? Is this clear cell carcinoma or does conventional refer to the general diagnosis?
2) If a patient was diagnosed with invasive papillary urothelial carcinoma of the bladder in May 2011 and returns in February 2013 with invasive urothelial carcinoma of the bladder, what is the correct ICD-O-3 morphology code? |
1) Clear cell renal carcinoma, code 8310, is often called conventional renal cell carcinoma. It is specific compared to renal cell carcinoma, NOS, code 8312, a general morphology term for the majority of kidney cancers. See kidney rules H5 and H12 and Table 1 on page 57 of the Kidney Terms and Definitions, http://www.seer.cancer.gov/tools/mphrules/mphrules_definitions.pdf
2) Do not change the ICD-O-3 code assigned for the 2011 diagnosis. As you know, the 2013 diagnosis is not a new primary per rule M6. |
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20140027 | MP/H Rules/Histology--Bladder: What is the correct histology for the following bladder case and how do you determine? See discussion. |
8/1/10 CYSTOSCOPY -- MULTIPLE BLADDER TUMORS INVOLVING POSTERIOR WALL, DOME & BLADDER NECK AREA. LARGEST WOULD BE MORE THAN 5 CM IN SIZE. 8/17/10 path -- BLADDER TUMORS:PAPILLARY TRANSITIONAL CELL CARCINOMA OF urinary bladder, GRADE III. ONE FRAGMENT OF TISSUE SHOWS NECROTIC CHANGE WITH APPARENT TRANSFORMATION TO A HIGH GRADE SARCOMATOID VARIANT W ITH EXTENSIVE SUBMUCOSAL INVASION & FOCAL AREA SUGGESTIVE OF ANGIOLYMPHATIC INVASION NOTED. MAJORITY OF TUMOR APPEARS CONFINED TO MUCOSAL SURFACE W ITH NO OTHER AREAS OF DEFINITIVE SUBMUCOSAL INVASION FOUND. |
Code 8122/3 (UC/TCC, Sarcomatoid). Rule H5 and Table 1 apply.
This is based on the information provided: Transitional Cell Carcinoma with sarcomatoid variant, and Table 1 in Terms and Definitions for "Ureter/Renal Pelvis/Bladder". |
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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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20140025 | Grade--Heme & Lymphoid Neoplasms: Why isn't "T-cell granular lymphocytic leukemia" (9831/3) coded as "5 T-cell" instead of "9" as specified in the Heme database? My path department did not specify any type of grade, but since "T-cell" is part of the name, wouldn't you code it to "5"? |
Assign code 5 when the diagnosis on the pathology report specifies "T-cell granular lymphocytic leukemia." The Heme DB grade instruction states "Code grade specified by pathologist. If no grade specified, code 9." In this case, T-cell was specified - code it. The code for T-cell (5) was not automatically assigned in the Heme DB because of the alternate names for this neoplasm. Some of these include NK-cell. Assign code 8 for alternate names with NK.
The alternate names are: Chronic lymphoproliferative disorder of NK cells, Chronic NK-cell lymphocytosis, Chronic NK-large granular lymphocyte (LGL) lymphoproliferative disorder, CLPD-NK, Indolent large granular NK-cell lymphoproliferative disorder, NK-cell lineage granular lymphocyte proliferative disorder, NK-cell LGL lymphocytosis |
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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. |
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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. |
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