Report | Question ID | Question | Discussion | Answer | Year |
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20180113 | Solid Tumor Rules (2018)/Histology--Lung: What is the histology code of a 2018 lung cancer case with invasive non-mucinous adenocarcinoma? For non-mucinous carcinoma/adenocarcinoma, the Solid Tumor Rules have codes for microinvasive, minimally invasive, preinvasive, and in situ. Do we default to the microinvasive/minimally invasive code? |
Code histology to adenocarcinoma, NOS (8140/3). The World Health Organization and the College of American Pathologists no longer recognize non-mucinous carcinoma/adenocarcinoma, NOS. Pathologists are discouraged from using this term. Microinvasive/minimally invasive lung tumors have very specific criteria and these criteria do not apply to non-mucinous carcinoma, NOS. |
2018 | |
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20180029 | Reportability--Skin: Is early/evolving lentigo maligna reportable? |
As of 01/01/2021, early or evolving melanoma in situ, or any other early or evolving melanoma, is reportable. |
2018 | |
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20180001 | Reportability/Date of diagnosis--Small intestine: Is this case reportable? Widely metastatic gastrointestinal stomal tumor (GIST) was diagnosed at an out-of-state facility in 2017 and referred back to a hospital in our state for chemotherapy where there is a history of a small bowel resection of GIST of uncertain malignant potential (8936/1) doneat the hospital in 2003. If so, is the diagnosis date 2003 or 2017? See Discussion. |
The hospital registrar reports that the case was identified at the hospital because of the referral for chemotherapy for the metastatic GIST. The records from the out-of-state hospital mentioned a history of a small bowel resection in 2003 for a borderline tumor. The registrar went back through the hospital's old records and found the surgery was done for GIST of low malignant potential at her facility. The question is whether to report the case or not, and if reported, is 2003 the diagnosis date. The rules say to change the behavior and backdate the diagnosiswhen a tumor is presumed benign and islater diagnosed as malignant. Another problem for this case is that the out-of-state hospital did not review the slides from the 2003 surgery. |
Report the case with a diagnosis date of 2017. The 2003 diagnosis was not reviewed, and there are no physician statements that cancer was present in 2003, or that the metastases are attributable to the 2003 diagnosis. Document the details of the case in text fields. |
2018 |
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20180089 | Reportability--Appendix: Is disseminated peritoneal adenomucinosis (DPAM) reportable when it is being referred to as if the primary tumor is a low-grade appendiceal mucinous neoplasm (LAMN)? See Discussion. |
Example 1: 8/23/2017 debulking path diagnosis of low-grade appendiceal mucinous neoplasm (LAMN) with involvement of intrapelvic mucin, left ovarian mass, uterine serosa and pelvic tumor, consistent with disseminated peritoneal adenomucinosis, that may also be called low-grade mucinous carcinoma peritonei. 8/8/2018 resection of sigmoid and rectum, path diagnosis of peri-colorectal fibroadipose issue with low-grade mucinous carcinoma compatible with the prior diagnosis of pseumomyxoma peritonei with low-grade mucinous carcinoma histology. Example 2: Path diagnosis of low-grade appendiceal mucinous neoplasm in association with low grade mucinous carcinoma peritonei involving the serosa of the small intestine and mesentery. Also, there is involvement of serosal lined soft tissue of peritoneum, omentum, stomach, falciform ligament, gallbladder, diaphragm and spleen. Some pathologists in our area are referring to DPAM as mucinous carcinoma peritonei, which is causing confusion because the term carcinoma is being used. One would assume that because the pseudomyxoma peritonei/underlying tumor itself is low-grade (LAMN), then the case is not reportable, but we would like clarification. |
For cases diagnosed prior to 1/1/2022 Disseminated peritoneal adenomucinosis (DPAM) is not reportable when the primary tumor is a low-grade appendiceal mucinous neoplasm (LAMN). The term disseminated peritoneal adenomucinosis (DPAM) is discouraged by the WHO Digestive System monograph (page 123, section on pseudomyxoma peritonei (mucinous carcinoma peritonei)), since it does not clarify whether the process is low grade or high grade carcinoma. When used, the term should be referring back to the histology of the defining process and in both of these examples this appears to be LAMN, and therefore not reportable. The only exception to this might be if the peritoneal implants were invasive; that is, they contained adenocarcinoma invading into the underlying peritoneum, bowel serosa, etc., rather than simply being present within the surface mucinous material. The pathologist would make this clear if this was, in fact, believed to be invasive carcinoma. |
2018 |
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20180094 | Reportability--Prostate: According to the 2018 SEER Program Manual, a prostatic intraepithelial neoplasia (PIN) III is not reportable, but is an atypical small acinar proliferation (ASAP) PIN 4 reportable? |
ASAP is not reportable. Patients with ASAP found on needle biopsy will likely undergo another biopsy. |
2018 | |
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20180088 | Solid Tumor Rules (2018)/Multiple primaries--Prostate: How many primaries are abstracted and what M Rule applies when a patient is diagnosed with prostate adenocarcinoma in 2014, followed by liver mass biopsy showing neuroendocrine carcinoma, small cell type of the prostate in 2018? See Discussion. |
The patient has a history of prostate adenocarcinoma with lymph node metastases, status post prostatectomy and treatment by Lupron in 2014. The most recent prostate serum antigen measurement (April 2018) was normal. CT scan of the abdomen and pelvis revealed new hypodense liver lesions, a slightly enlarging lung right lower lobe nodule, and enlarging lobular mass in the prostatectomy bed. The core liver biopsy contains areas of metastatic tumor with a differential diagnosis on pathology of high-grade neuroendocrine carcinoma of the prostate (small cell type), which may have been seen in association with prostate adenocarcinoma, or metastatic small cell carcinoma of a different site. Clinically, the physician impression is that this represents metastatic castration-resistant prostate cancer. The Solid Tumor Rules note that the Multiple Primary Rules are not used for tumor(s) described as metastases. However, SINQ 20130221 indicates that, at least historically, these would have been accessioned as multiple primaries (histology 8140 & 8041 per Rule M10). Does the previous SINQ note still apply to these types of cases, and if so how would one know to move beyond the initial note indicating metastases are not new primaries? |
The guidance provided in SINQ 20130221 still applies. Accession two primaries, adenocarcinoma [8140/3] of the prostate [C619], followed by small cell (neuroendocrine) carcinoma [8041/3] of the prostate [C619] for each of the examples given per Rule M10 of the 2018 Solid Tumor Rules, Prostate. In each case, the second histology (because it is not adenocarcinoma) is a new prostate primary. Small cell carcinoma and small cell neuroendocrine carcinoma are not adenocarcinomas. As a result, they are not covered by Rule M3. For the case described in this SINQ submission, based on the findings of a lobular mass in the prostate bed, this is a second primary (there is residual prostatic tissue). This is unchanged from the 2007 Multiple Primaries Rules for Other Sites. |
2018 |
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20180030 | First Course of Treatment/Surgery of Primary Site--Melanoma: How do you code UVB therapy treatment for melanoma? |
Code UVB therapy for melanoma as photodynamic therapy under Surgery of Primary Site for skin. Assign code 11 [Photodynamic therapy (PDT)] if there is no pathology specimen. Assign code 21 [Photodynamic therapy (PDT)] if there is a pathology specimen. Use text fields to document details. |
2018 | |
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20180112 | Solid Tumor Rules (2018)/Histology--Lung: What is the histology code of a non-small cell lung cancer (NSCLC), NOS as this is not on the AJCC list of histologies? See Discussion. |
A question was posted to CAnswer forum 9/26/18 and answered stating that 8046 is not on the AJCC list of histologies for the lung chapter in the 8th edition. If the final diagnosis on the pathology report is just NSCLC, NOS with no subtype/variant, what histology/solid tumor rule would I use? In this situation, I am not able to query the pathologist. Would I code the histology to 8010 as per AJCC post? |
Code NSCLC to 8046/3. Do not change a histology code simply to assign TNM to the case. AJCC does not determine histology coding. While pathologists are no longer encouraged to use NSCLC, it does not mean the term and code are obsolete. NSCLC could be any number of histologies such as adenocarcinoma or squamous carcinoma. A diagnosis of NSCLC indicates that the initial exam of the tissue did not identify a more specific type of NSCLC. Additional immunohistochemical testing is needed to determine the histology. Update the case if better information becomes available from subsequent tests/review. When analyzing the data, researchers and physicians will be able to identify the cases where the pathologist was unable to or did not perform further testing to determine a specific histology which drives treatment and survival. |
2018 |
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20180031 | First Course of Treatment/Other Therapy: Where do you code Optune TTF therapy? What needs to be included in the text portion to document this treatment? |
Code OPTUNE in the Other Treatment field. See NovaTTF in SEER*Rx (http://seer.cancer.gov/seertools/seerrx/). NovaTTF is the pre-FDA approval name for OPTUNE. If OPTUNE was administered for recurrence, be sure NOT to record it in the first course of treatment fields. Check with CoC if you have questions about coding treatment for recurrence. |
2018 | |
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20180049 | Solid Tumor Rules (2018)/Histology--Lung: What is the difference between Lung Rules H7 and H8 (Single Tumor Module)? When would one use H8 rather than H7? See Discussion. |
Is Rule H8 a duplicate of Rule H7? Rule H7 instructs one to use Table 2 when there are multiple histologies and the combination is listed in Table 2 (or a combination code was received from Ask a SEER Registrar). Rule H8 states to code adenocarcinoma with mixed subtypes (8255) when there are multiple adenocarcinoma subtypes OR any combination of histologies which are not listed in Table 2. However, both conditions for Rule H8 are already included in Table 2 (the last row). How would one ever move past Rule H7 if all the conditions for both Rules H7 and H8 are covered first under Rule H7? Example: A resection pathology report proves invasive adenocarcinoma, acinar, solid and papillary types. Rule H7 seems to be the first H Rule that applies as there are multiple histologies (identified using a reportable term: type) AND the combination is listed in Table 2. The last row of Table 2 instructs one to code Adenocarcinoma with mixed subtypes (8255) when there are at least two of the subtypes/variants of adenocarcinoma listed in Column 1 (Required Terms). In this case, there were three subtypes/variants that are listed in Column 1 (acinar, solid and papillary). However, Rule H8 also instructs one to, Which rule applies here, Rule H7 or Rule H8? |
January 2019 update: The differences between H7 and H8 are H8 applies to tumors with multiple subtypes of adenocarcinoma while H7 applies to histology combinations other than adenocarcinoma such as adeno and squamous. |
2018 |