Report | Question ID | Question | Discussion | Answer | Year |
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20170017 | MP/H Rules/Multiple primaries--Liver: How many primaries of the same site and histology are reported if tumors appear years apart but neither is surgically removed? See Discussion. |
Patient has an April 2009 biopsy proven diagnosis of cholangiocarcinoma with a single liver mass in segment 4 that was treated with TACE and systemic chemotherapy. The treated lesion was stated to be stable in subsequent scans performed between 2010 and late 2015. December 2015 imaging identified a new mass in the left hepatic lobe consistent with cholangiocarcinoma. Is the 2015 tumorĀ a new primary? In auditing files for expected (but not received) abstracts due from facilities, we've observed these types of cases not being consistently reported as multiple primaries. |
Abstract as a single primary. The 2009 liver tumor remained "stable" following treatment and the patient was never disease free. |
2017 |
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20170044 | Histology--Sarcoma: What is the histology code for epithelioid angiosarcoma? |
Assign 9120/3 for epithelioid angiosarcoma. |
2017 | |
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20170074 | Reportability--Kidney: Is a renal cell neoplasm stated to be multilocular clear cell renal cell neoplasm of low malignant potential a reportable tumor if the physician refers to the tumor as renal cell carcinoma in a follow-up note after surgery? If reportable, how is histology coded? See Discussion. |
The partial nephrectomy final diagnosis is renal cell neoplasm. The College of American Pathologists (CAP) Summary lists histology as: multilocular clear cell neoplasm of low malignant potential. The diagnosis comment adds: This neoplasm currently termed multilocular clear cell renal cell neoplasm of low malignant potential (WHO 2016), was previously termed cystic renal cell carcinoma. |
For now, report the case and code to 8310/3. In the 3rd Ed WHO Tumors of the Urinary System, multilocular clear cell RCC is coded as 8310/3, however the recent 4th Ed WHO Tumors of Urinary System notes this term is obsolete and a synonym for multilocular cystic renal neoplasm of low malignant potential (8316/1) which would be non-reportable. Per WHO 3rd Ed these tumors never recur or metastasize which may be why the behavior code is shown as /1. The standard setters must review this terminology change in relation to reporting the case as it may impact incidence rates. |
2017 |
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20170063 | Reportability/Behavior--Ovary: Is adult granulosa cell tumor a reportable malignant tumor if the primary ovarian tumor ruptured intraoperatively, the peritoneum was contaminated, and the patient underwent adjuvant treatment with chemotherapy given the increased risk of recurrence due to intraoperative tumor spill? See Discussion. |
Per SINQ 20130176 and 20140034, adult granulosa cell tumors of the ovary are reportable malignant tumors when there are peritoneal implants or metastases. The SINQ responses describe how these adult granulosa cell tumors are different from low malignant potential (LMP) epithelial ovarian tumors. Would these SINQ scenarios apply to a case with intraoperative tumor rupture that resulted in peritoneal tumor? In this case, the pathologist indicated these excised peritoneal specimens were favored to be intraoperative contamination with adult granulosa cell tumor. However, the oncologist went on to treat this patient as high risk with chemotherapy. The oncologist only described one of the pelvic peritoneal implants as possibly contamination due to the rupture. The oncologist never indicated the tumors were definitely peritoneal implants. Should the behavior of this tumor be /1 because the peritoneal tumor appears to be contamination, or /3 because the oncologist treated this patient as high risk? |
If the "implants" were due to intraoperative contamination and were not present prior to surgery, do not interpret them as indicative of malignancy. The behavior of this tumor is /1. |
2017 |
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20170040 | MP/H Rules/Histology--Lung: What is the histology code for lung cancer case identified pathologically from a metastatic site that differs from the histology stated by the physician? See Discussion. |
Bronchial washings were negative. Four lymph nodes were biopsied and found to have metastatic poorly differentiated neuroendocrine carcinoma. The treating oncologist calls it small cell carcinoma, extensive stage, and treats patient with carboplatin and VP-16 (etoposide) The MP/H rule says to take path/cyto from a metastatic site if no pathology/cytology available from the primary site. Is the physician's statement and treatment taken into consideration here? |
Code the histology based on the pathology report from the lymph node biopsy for this case. Pathology has higher priority than a physician's statement for assigning histology code. Use text fields to document the physician's statement. |
2017 |
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20170035 | MP/H Rules/Histology: What is the histology code of serous tubal intraepithelial (in situ) carcinoma (STIC), bilateral fallopian tubes? |
Assign 8441/2. This is based on the WHO classification for female reproductive system tumors. |
2017 | |
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20170019 | MP/H Rules/Histology--Testis: How should histology be coded for a mixed germ cell tumor that also includes choriocarcinoma now that non-seminomatous mixed germ cell tumors (9065) and seminomatous mixed germ cell tumors (9085) are collapsed for analysis? See Discussion. |
The MP/H Rules (Other Sites Terms and Definitions, Table 2) currently lists a separate mixed germ cell tumor code (9101) for germ cell tumors with choriocarcinoma plus teratoma, seminoma or embryonal carcinoma. Is this separate mixed germ cell tumor code still to be used now that all mixed germ cell tumors (9065 and 9085) have been collapsed into code 9085 for analysis per SINQs 20160056 and 20110013? The current WHO Classification for testis tumors does not list code 9101, but also collapses all seminomatous and nonseminomatous mixed germ cell tumors of more than one histologic type under code 9085. |
While WHO 4th Ed Tumors of Urinary and Male Genital System does not include 9101/3, this code has not been made obsolete. Follow the 2007 MP/H rules and code histology to 9101/3 per Other sites rule H16, Table 2. |
2017 |
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20170049 | MP/H Rules/Histology--Pancreas: What is the histology code of invasive adenocarcinoma, non-mucinous with intraductal tubulopapillary features, moderately differentiated, from the pathology report final diagnosis of the pancreas? Does 'intraductal" refer to a non-invasive/in-situ component or describe the pattern of growth? |
Assign 8503/3, intraductal papillary adenocarcinoma with invasion, to capture the more specific features of the adenocarcinoma. Histology Rule H13 for Other Sites states to code the most specific histologic term. Examples include Adenocarcinoma and a more specific adenocarcinoma. Note: The specific histology may be identified as type, subtype, predominantly, with features of, major, or with ___ differentiation. |
2017 | |
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20170075 | MP/H Rules/Behavior--Breast: How many primaries are to be abstracted for a patient with a history of left breast ductal carcinoma in situ (DCIS) diagnosed in 2014 and bone lesions showing metastatic carcinoma consistent with a breast primary in 2017? See Discussion. |
Patient was diagnosed with DCIS of the left breast in June 2014. The patient had a simple mastectomy with 2 axillary lymph nodes removed. The final diagnosis was intermediate to high grade ductal carcinoma in situ, predominantly micropapillary type, forming a 1.4 cm mass. No invasive carcinoma identified. Margins negative. In April 2017, the patient was found to have parietoccipital bone lesions, which were resected. The resulting diagnosis was metastatic carcinoma, morphologically consistent with breast primary " See Comment: The previous breast lesion is not available for review at the time of signout. However, the tumor is morphologically compatible with a breast primary. SINQ 20110111 would not make this is new primary. However, it seems that rule M8 might apply. An invasive tumor following an in situ tumor more than 60 days after diagnosis is a multiple primary. See Note 2: Abstract as multiple primaries even if the medical record/physician states it is recurrence or progression of disease. |
Assuming there were no other breast or any other tumors for this patient, change the behavior code to /3 on the original abstract for the 2014 breast primary. Similar to SINQ 20110111, there was likely a focus of invasion present in the original tumor that was not identified by the pathologist. The behavior code on the original abstract must be changed from a /2 to a /3 and the stage must be changed from in situ to localized. The MP/H rules do not apply to metastases. Therefore, rule M8 cannot be used. |
2017 |
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20170056 | Reportability/Histology--Skin: Is 'skin, left temporal scalp, low grade adnexal carcinoma, probable sweat gland origin' reportable as 8400/3, skin of temple? |
Assign 8390/3 for adnexal carcinoma of skin. 8390/3 is reportable, including 8390/3 of skin. |
2017 |