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Report Produced: 05/03/2026 11:46 AM

Report Question ID Question Discussion Answer Year
20100112 Primary site--Heme & Lymphoid Neoplasms: Is C448 [overlapping lesion of skin] or C449 [skin, NOS] the appropriate site code for a 2008 diagnosis of mycosis fungoides involving over 40 percent of the skin surface, including both upper and lower extremities and trunk? Code the primary site to C449 [skin, NOS]. The code C448 should be used when there is a single overlapping lesion that includes all the disease. The patient has extensive skin coverage involving multiple skin subsites (upper and lower extremities and the trunk), but it is unlikely there is ONE plaque (one lesion) overlapping all these different skin subsites. The disease has more likely presented as multiple plaques (lesions) in these different areas. 2010
20100002 Reportability/Histology--Colon: Is a colon tumor reportable if the pathology report final diagnosis is high grade dysplasia but CAP protocol histologic type designation is adenocarcinoma in situ? See Discussion. The microscopic description and the final diagnosis on the pathology report indicate the tumor is a large tubulovillous adenoma of the cecum with focal surface high grade dysplasia. The CAP protocol histologic type designation is adenocarcinoma in situ and pT designation is pTis. Which has priority? Is the case reportable?

The case is reportable because carcinoma in situ is stated. Carcinoma in situ has higher priority than severe dysplasia or high grade dysplasia.

Per AJCC 6th edition colon chapter, the terms "high grade dysplasia" or "severe dysplasia" may be synonymous with carcinoma in situ. Because the pathologist gave carcinoma in situ information within the CAP, (s)he is apparently defining the dysplasia as in situ carcinoma.

 2010
20100044 Primary site--Heme & Lymphoid Neoplasms: Should the primary site be coded to C499 [Blood vessels, NOS] for a case of intravascular large B cell lymphoma, Asian variant [9712/3] found in the bone marrow and liver? See Discussion. Patient has biopsy proven intravascular large B cell lymphoma, Asian variant, (9712/3) in bone marrow and liver. The Hematopoietic Database does not give a primary site code. Should the primary site be coded C49.9 because, by definition, this lymphoma arises in the blood vessels?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Code primary site to C499 [blood vessels]. The definition in the Heme DB does specify that this type of extranodal large B-cell lymphoma is characterized by lymphoma cells within the lumina of blood vessels with the exception of larger arteries and veins. The reason no primary site is specified is that Western variant can originate in the skin or CNS.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2010
20100047

Reportability--Heme & Lymphoid Neoplasms: Is "myelodysplasia" a reportable disease?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

The diagnosis of "myelodysplasia" is not reportable.

Myelodysplasia covers a group of disorders that result in the inability to produce enough healthy mature blood cells. Those disorders include: anemia, leukopenia, thrombocytopenia, MDS, refractory anemia, refractory anemia with excess blasts in transformation, refractory anemia with ring sideroblasts, refractory anemia with excess blasts, chronic myelomonocytic leukemia, acute myeloid leukemia. Follow-back to the physician is necessary to determine whether or not a particular case represents a malignancy.

"Myelodysplasia" is also listed in Appendix F: Non-Reportable List for Hematopoietic Diseases.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2010
20100014 Reportability: Are there criteria other than a pathologist or clinician's statement that a registrar can use to determine reportability of gastrointestinal stromal tumors (GIST)? See Discussion.

Per SINQ 20091021 and 20021151, GIST cases are not reportable unless they are stated to be malignant. A pathologist or clinician must confirm the diagnosis of cancer. There are cases that are not stated to be malignant in the pathology report or confirmed as such by a clinician; however, these cases do have information that for other primary sites would typically be taken into consideration when determining reportability. The final diagnosis on the pathology report for all 16 cases is "GIST." The additional comment(s) for each of the 16 different cases is reported below. Are any of the following cases reportable?

1) Pathology report indicates that the bulk of the tumor is submucosal. It extends through the muscularis propria and abuts the serosa.

2) Pathology report states tumor extends to serosal surface of transverse colon, but not into muscularis propria. CD 117 and CD 34 are positive.

3) Pathology report indicates that tumor invades through the gastric wall to the serosal surface.

4) Pathology report indicates that tumor invades pericolic fat tissue.

5) No further information in pathology report, however, scans indicate omental caking.

6) No further information in pathology report, however, scans indicate hepatic metastases. Hepatic metastases are not biopsied.

7) Tumor stated to be unresectable and extends into pancreas. Chemotherapy given.

8) Pathology report states tumor is low to intermediate grade and involves serosal (visceral peritoneum).

9) Tumor size is 17.5 cm. Pathology report states "malignant risk".

10) Pathology report states tumor "into muscularis propria" or tumor "involves muscularis propria" or "infiltrates into muscularis propria".

11) Pathology report states, "high malignant potential; omentum inv by tumor." It is not stated in path report or final diagnosis to be malignant GIST.

12) Pathology report states that tumor arises from wall of small bowel and extends into thin serosal surface.

13) Pathology report states minimal invasion of lamina propria; does not penetrate muscularis propria.

14) Pathology report states, "high mitotic activity >10/50 HPF; high risk for aggressive behavior; moderate malignant potential."

15) Pathology report states tumor size is >5 cm. Intermediate risk for aggressive behavior; CD117+ KIT exon 11+.

16) Pathology report states "high risk of malignancy."

 For GIST to be reportable, the final diagnosis on the pathology report must definitively state that the GIST is malignant, or invasive, or in situ. Case 6 is the only exception. It would be reportable assuming the scan actually states "hepatic metastases." Based only on the information provided, none of the other examples are reportable. The type of extension and/or invasion mentioned in the other examples are not sufficient to confirm malignancy. Borderline neoplasms can extend and invade, but do not metastasize. Only malignant neoplasms metastasize. 2010
20100095

MP/H Rules/Multiple primaries--Kidney, renal pelvis: In a patient who was never disease free because of multiple recurrences of invasive transitional cell carcinoma of the bladder originally diagnosed in 2004, is an invasive high grade urothelial carcinoma of the renal pelvis diagnosed in 2010 a new primary? See Discussion.

Patient has invasive TCC of the bladder diagnosed in 2004, and has never been disease free.

In 2/18/10 a left renal pelvis wash showed urothelial carcinoma, high grade.

On 4/7/10 a nephroureterectomy revealed high grade urothelial carcinoma with sarcomatous and squamous differentiation invading through pelvic wall and perihilar soft tissue.

Is this a new renal pelvis primary?

For cases diagnosed 2007 or later, the renal pelvis is a new primary per rule M7. M7 will be better explained in the revised MP/H rules, but the rationale is that no field effect was present for more than 3 years. Although the bladder CA continued to recur, there were no other organs involved until 2010. M7 is intended to make the renal pelvis a new primary because there was no field effect (no organs other than bladder involved) for more than 3 years.

 2010
20100045

Histology--Heme & Lymphoid Neoplasms: How is histology coded for a pathologic diagnosis of "B-cell lymphoma, unclassifiable, with features intermediate between DLBCL and Burkitt lymphoma" that was clinically referred to as a "double hit lymphoma"?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Code histology to 9680/3 [diffuse large B-cell lymphoma (DLBCL)]. Per the Alternate Names section in the Heme DB, B-cell lymphoma, unclassifiable, with features intermediate between diffuse large B-cell lymphoma and Burkitt lymphoma is one of the synonyms for for DLBCL.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2010
20100038 Surgery of Primary Site--Prostate: Is a prostate saturation biopsy coded under diagnostic biopsy or surgery? A prostate saturation biopsy is a transperineal template-guided stereotactic saturation prostate biopsy that typically produces 30 to 80 core biopsies. This is an alternative biopsy technique used for some high-risk patients including men with persistently elevated PSA, those who have atypia on prior prostate biopsies, or men with biopsies showing high-grade prostate intraepithelial neoplasia (PIN). Although this is a different procedure, it is still a diagnostic biopsy. Do not code prostate saturation biopsy under Surgery of Primary Site. 2010
20100053 Primary site--Heme & Lymphoid Neoplasms: How is primary site coded for a myeloid sarcoma (granulocytic sarcoma) arising in the chest wall in a patient that has a negative bone marrow biopsy? See Discussion.

Patient was diagnosed with Myeloid Sarcoma (granulocytic sarcoma) by chest wall biopsy. This is an extramedullary manifestation of acute leukemia and is not in the bone marrow (bone marrow is negative).

How should primary site be coded? The Heme DB states that almost any part of the body can be involved. It also states to not code primary site to C421. In this case the only involvement is the chest wall [C493]. However, use of the primary site code C493 triggers an edit error questioning this site/histology combination. If the primary site is coded to C421 [bone marrow], there is no edit error. Please explain the site code and rationale.

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Unless there are scans showing involvement of a lymph node or tissue other than the chest wall, the histology should be coded myeloid sarcoma [9930/3] and the primary site to C493 [soft tissue of chest wall]. Per Rule PH 30, use the Heme DB to determine primary site and histology when rules PH1-PH29 to not apply. Override the edit.

Per the Abstractor Notes section in Heme DB, for myeloid sarcoma [9930/3] the most frequently affected sites are skin, lymph nodes, gastrointestinal tract, soft tissue, and testis.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2010
20100099 Histology--Heme & Lymphoid Neoplasms: Should all cases of precursor B acute lymphoblastic leukemia diagnosed 1/1/10 and later with histology coded to 9836/3 have the values changed to 9811/3 per the Heme DB Abstractor Notes section or should they remain coded 9836/3.

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

For cases diagnosed 2010 and forward, code histology to 9811/3 [B lymphoblastic leukemia/lymphoma, NOS] which is the new classification for pre-BALL. The histology code 9836/3 is obsolete as of 2010 and should not be used for cases with diagnosis date after 12/31/2009.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2010