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20160042 | First course treatment/Date 1st surgical procedure--Colon: Should the date of a polypectomy be recorded in the Date of First Surgical Procedure field when the entire tumor is not removed by polypectomy? See Discussion. |
The patient underwent a polypectomy. The endoscopy report noted the "single piece polypectomy" only partially removed the polyp/mass as the remainder of the mass was more fixed to the wall. The margins were not noted on the pathology report, but were presumably positive given the endoscopy report and the subsequent low anterior resection (LAR) that proved macroscopic residual tumor. Should the date of the polypectomy be recorded in Date of First Surgical Procedure field? Or would the date of the subsequent LAR be recorded since macroscopic residual tumor was present following polypectomy? |
Record the date of the polypectomy as the date of first surgical procedure. Polypectomies are surgery for the purposes of cancer registry data collection regardless of whether or not there is residual tumor after the polypectomy. |
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20160044 | MP/H Rules/Histology--Sarcoma: What is the appropriate histology code for a final diagnosis of undifferentiated pleomorphic sarcoma and/or pleomorphic sarcoma, undifferentiated? See Discussion. |
Does the Other Sites MP/H Rule H17 apply in this case, which results in coding the higher histology 8805/3 (undifferentiated sarcoma)? Or does the "undifferentiated" statement only refer to grade, which results in coding histology to 8802/3 (pleomorphic sarcoma)? |
Assign 8802/34 to pleomorphic cell sarcoma/undifferentiated pleomorphic sarcoma. Pleomorphic is more important than undifferentiated when choosing the histology code in this case. Undifferentiated can be captured in the grade code. |
2016 |
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20160012 | Reportability--Brain and CNS: Is a thalamic amyloidoma reportable if so what histology code is used? |
Thalamic amyloidoma is not reportable. Amyloidoma (tumoral amyloidosis, amyloid tumor) is a tumor-like deposit of amyloid. It is not neoplastic. Amyloid is a protein derived substance deposited in various clinical settings. |
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20160021 | Primary Site--Stomach: How do I code the primary site when the operative report and pathology report state that the tumor site is incisura of the stomach? |
Assign C163. Incisura, incisura angularis, gastric angular notch, angular incisure of stomach all refer to the sharp angular depression in the lesser curvature of the stomach at the junction of the body with the pyloric canal. See Gastric angular notch in #12 on page 76 in the SEER manual, http://seer.cancer.gov/manuals/2015/SPCSM_2015_maindoc.pdf. See also the SEER training website, #12 on the illustration corresponds to the angular notch, http://training.seer.cancer.gov/ugi/anatomy/stomach.html. We will correct the key for this illustration. |
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20160061 | Reportability/Behavior--Small intestine: Is a carcinoid tumor, described as benign, reportable? See Discussion.
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A segmental resection pathology report states "benign mucosal endocrine proliferation consistent with a 0.3 cm duodenal carcinoid tumor." The diagnosis comment further states, "the separate small endocrine lesion is histologically benign, consistent with a 3 mm carcinoid tumor." This seems to be an example of a description of a microcarcinoid tumor referenced in SINQ 20160011. However, in this new case the pathologist specifically states the tumor is benign.
The WHO definition of microcarcinoid indicates this is a precursor lesion, which seems to indicate it is not malignant. However, SEER's previous answer stated we should report these tumors because the ICD-O-3 definition of carcinoid is 8240/3. Do you think that the mention of the term "benign" in the pathology report is actually related to the size of this lesion? Is the reference to benign mucosal endocrine proliferation referring to the WHO classification (making the case reportable as stated in SINQ 20160011), or is this a situation in which we should apply the Matrix Rule and the case is nonreportable? |
This carcinoid tumor, described as benign, is not reportable. According to our expert pathologist consultant, this case is not reportable because the pathologist uses "benign" to describe the mucosal endocrine proliferation and based on that, the neuroendocrine cell proliferation is hyperplasia/benign - not reportable. |
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20160040 | Reportability--Thyroid: Is a final diagnosis of "non-invasive follicular thyroid neoplasm with papillary-like nuclear features" (NIFTP) reportable when the diagnosis comment states this tumor was historically classified as encapsulated follicular variant of papillary thyroid carcinoma? See Discussion. |
The term "non-invasive follicular thyroid neoplasm with papillary-like nuclear features" is now being used, instead of the previous classification of an encapsulated malignant thyroid tumor. Recent evidence supports a very minimal risk of aggressive behavior for these tumors, and pathologists in our area are no longer classifying these as malignant in the final diagnosis. |
As of January 1, 2021 Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) C739 is no longer reportable for cases diagnosed 1/1/2021 forward. See the ICD-O-3.2 material on the NAACCR website,https://www.naaccr.org/icdo3/#1582820761121-27c484fc-46a7 _____________________________________________ Answer for cases diagnosed 1-1-2017 to 12/31/2020 Report NIFTP and assign ICD-O-3 morphology code 8343/2. See the NAACCR document, page 3, https://20tqtx36s1la18rvn82wcmpn-wpengine.netdna-ssl.com/wp-content/uploads/2017/01/What-You-Need-to-Know-for-2017.pdf |
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20160055 | Reportability--Bone: Is an "atypical cartilaginous tumor" reportable? See Discussion. |
Patient had a core needle biopsy of the right acetabulum. Final diagnosis on the path report is: Atypical cartilaginous tumor (formerly chondrosarcoma, grade 1).
Is this cell type reportable? If so, is it reportable only because the pathologist recorded clarifying text in parentheses? If the text in the parentheses was not available, is the histology "atypical cartilaginous tumor" reportable? |
Atypical cartilaginous tumor of bone is not reportable. The WHO terminology is "atypical cartilagenous tumor/chondrosarcoma grade I." WHO classifies this entity as low malignant potential (behavior code /1).
Chondrosarcoma grade II or grade III is reportable based on the WHO classification of malignant (behavior code /3). |
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20160068 | Reportability--Brain and CNS: Are sphenoid wing meningiomas reportable? See discussion. |
It's my understanding that true intraosseous meningiomas are very rare. It's also my understanding that cranial meninges DO cover the sphenoid wing, so I'm wondering if it's possible to have a meningioma of the sphenoid wing on imaging that arises from the meninges NOT the bone. Is that the deciding factor on reportability? It's been suggested to me that meninges cells do lie within the bone, but again if a meningioma is described as being located at the sphenoid wing on imaging, without bone involvement - and no surgery is performed - I do not understand why it is specifically excluded as non-reportable. |
This answer pertains to cases diagnosed prior to 2018. For 2018 and later cases, refer to the Non-Malignant CNS Solid Tumor Rules. Note: This answer updates previous answers which have been removed from the SEER Inquiry System. Intraosseous meningiomas are not reportable. You are correct, these are rare meningiomas originating in bone. The term "sphenoid wing meningioma" is sometimes used for an intraosseous meningioma of the sphenoid bone. Yes, it's possible to have a meningioma of the sphenoid wing on imaging that arises from the meninges NOT the bone. Read the available information carefully. When the site of origin is described as "along the sphenoid wing" or "overlying the sphenoid wing" report the meningioma. These descriptions indicate that the meningioma originates from the meninges covering bone rather than the bone itself. Meningioma arising in bone is rare enough, that when present, we would expect it to be clearly stated as such. In the absence of a statement indicating origin in bone, the meningioma is most likely arising from meninges covering the bone. |
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20160067 | MP/H Rules/Histology--Skin: What histology code and MP/H Rule apply to a skin primary with the final diagnosis, ? See Discussion. |
The patient had an upper arm shave biopsy with final diagnosis of basaloid carcinoma with squamous and neuroendocrine differentiation. The pathologist also comments: Further resection was negative for residual malignancy.
Would SINQ 20150033 apply, thus resulting in final histology of carcinoma with neuroendocrine carcinoma (8574/3)? |
Assign 8574/3 according to Other Sites rule H17 for basaloid carcinoma with squamous and neuroendocrine differentiation.
There is no combination code that includes basal cell, squamous, and neuroendocrine. We can combine basal cell with squamous, 8094/3, or carcinoma with neuoendocrine differentiation, 8574/3. Rule H17 directs us to assign the higher code, 8574/3. |
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20160011 | Reportability--Stomach: Are microcarcinoid tumors reportable? See discussion. |
SINQ 20081076 states carcinoid tumorlets of the lung are not reportable and are defined as being less than 5 mm in diameter and benign. Per the WHO Classification of Digestive Tumours, microcarcinoid tumors are precursor lesions/nodules measuring greater than 0.5 mm, but less than 5 mm (0.5 cm). Is the term microcarcinoid tumor equivalent to carcinoid tumorlet, and therefore not reportable? Or is a microcarcinoid tumor a reportable type of neuroendocrine tumor (NET)? |
Microcarcinoid and carcinoid tumors are reportable. The ICD-O-3 histology code is 8240/3. Microcarcinoid is a designation for neuroendocrine tumors of the stomach when they are less than 0.5 cm. in size. Neuroendocrine tumors of the stomach are designated carcinoid when they are 0.5 cm or larger.
The term microcarcinoid tumor is not equivalent to carcinoid tumorlet. |
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