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20120025 | MP/H Rules/Multiple Primaries--Brain and CNS: How many primaries are abstracted if a patient was diagnosed with metastatic malignant melanoma to the brain in 2003 and subsequently was diagnosed with meningeal melanomatosis? See Discussion. | Meningeal melanomatosis has a separate ICD-O-3 code, but is also a very rare form of melanoma. | This is a single primary coded to the site of the original melanoma. The brain and meninges are both metastatic sites. The MP/H Rules do not apply to metastases.
This case was sent to the melanoma physician specialists. The physician stated that, in this case, the meningeal involvement is secondary to the brain involvement (metastatic spread). Whenever brain metastases are diagnosed, the meningeal spread is metastatic. |
2012 |
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20120091 | Reportability/Behavior--Kidney: Is epithelioid angiomyolipoma (AML) of the kidney a reportable malignancy? See Discussion. | The addendum final diagnosis on a pathology report for a kidney core needle biopsy included the results of additional stains performed on the tissue. It indicated the morphology was most consistent with epithelioid angiomyolipoma. Further comments in the body of the report indicate these tumors are now considered malignant neoplasms with the capacity to be locally aggressive and they can potentially metastasize. There is no mention of a metastasis in this particular case. | Epithelioid angiomyolipoma (AML) [8860/0] of the kidney is not reportable unless stated to be malignant.
If the pathologist confirms this is a malignancy, apply ICD-O-3 Rule F (Matrix principle) and assign the behavior code /3. If confirmation is received, accession the case using the morphology code 8860/3 [malignant angiomyolipoma]. |
2012 |
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20120061 | MP/H Rules/Multiple Primaries--Ovary: How many primaries are accessioned and which multiple primary rule applies for a patient diagnosed with a carcinosarcoma of the left ovary and a serous carcinoma of the right ovary? See Discussion. |
The patient underwent a debulking surgery showing a 20.5 cm carcinosarcoma with focal areas of high grade serous carcinoma and extensive high grade stromal sarcoma in the left ovary. The right ovary showed only a high grade serous carcinoma with extensive involvement of the ovarian parenchyma but no sarcomatous elements. While carcinosarcoma is composed of both epithelial and non-epithelial elements, does the presence of a purely epithelial tumor in the contralateral ovary indicate these are separate primaries per rule M8? |
For cases diagnosed 2007 or later, accession two primaries, carcinosarcoma [8980/3] of the left ovary and serous carcinoma [8441/3] of the right ovary. The steps used to arrive at this decision are: Open the Multiple Primary and Histology Coding Rules Manual. Choose one of the three formats (i.e., flowchart, matrix or text). After determining the histology of each tumor (8980/3 and 8441/3), go to the Other Sites MP rules because ovary does not have site specific rules developed Start at the MULTIPLE TUMORS module, Rule M3. The rules are intended to be reviewed in consecutive order within a module. Stop at the first rule that applies to the case you are processing. Review Table 1 (Paired Organs and Sites with Laterality) to determine whether ovary is a paired site. To locate Table 1, go to Other Site under the Terms & Definitions section of the manual. Ovary is listed as a paired site. Accession multiple primaries when there are tumors on both sides (right and left) of a site listed in Table 1 (Paired Organs and Sites with Laterality). Carcinosarcoma [8980/3] is not an epithelial tumor of the ovary within the range of 8000-8799 and, therefore, Rule M7 does not apply. |
2012 |
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20120068 | Histology--Heme & Lymphoid Neoplasms: What is the correct histology code for a diagnosis of mature B cell leukemia/lymphoma diagnosed only on a peripheral blood smear? | For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.
Code the histology to 9591/3 [B-cell lymphoma, NOS].
After searching the Heme DB for the term , no B-cell leukemia/lymphoma NOS code is found. However, the diagnosis of B-cell lymphoblastic leukemia/lymphoma is found. This case scenario does not specify that this is a lymphoblastic leukemia/lymphoma; therefore, the histology code 9811/3 [B-cell lymphoblastic leukemia/lymphoma, NOS] cannot be applied.
A subsequent search of the Heme DB for the term returns "Non-Hodgkin lymphoma, NOS" [9591/3]. Under the Alternative Names section of the Heme DB, B-cell lymphoma, NOS, is a synonym for Non-Hodgkin lymphoma, NOS. Therefore, the B-cell lymphoma NOS code [9591/3] is the most appropriate histology code to use for this case.
This will be added to the next revision of the Heme DB and Manual.
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. |
2012 | |
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20120058 | Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be accessioned when the patient is diagnosed with an acute neoplasm (diffuse large B-cell lymphoma) per a pathology report and is subsequently diagnosed clinically with a chronic neoplasm (chronic lymphocytic leukemia/small lymphocytic lymphoma) less than 21 days later? See Discussion. | The patient was diagnosed with an extranodal DLBCL on a biopsy of the stomach. A bone marrow biopsy performed 16 days later showed no DLBCL, but demonstrated an abnormal CD5-positive B-cell population that was subsequently referred to as CLL/SLL by the physician. The peripheral blood was negative and showed only moderate thrombocytopenia.
Does rule M10 apply in this case? Abstract the acute neoplasm as a single primary (DLBCL) as there was only one pathology specimen (stomach biopsy) proving DLBCL and the bone marrow did not definitively identify CLL/SLL. |
For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.
This case should be accessioned as two primaries per Rule M11. Code the histology of one primary to 9680/3 [diffuse large B-cell lymphoma], the acute neoplasm. Code the histology for the second primary to 9823/3 [chronic lymphocytic leukemia/small lymphocytic lymphoma], the chronic neoplasm.
Per Rule M11, abstract as multiple primaries when both a chronic and acute neoplasm are diagnosed simultaneously or less than or equal to 21 days apart AND there is documentation of two pathology specimens, one confirming the chronic neoplasm (bone marrow biopsy) and one confirming the acute neoplasm (stomach biopsy).
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. |
2012 |
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20120029 | Primary site--Lung: What is the code for primary site if a small cell carcinoma presents as mediastinal masses? | Code the primary site to main bronchus [C340].
Primary small cell carcinoma in the thymus/mediastinum is rare. A bronchial lesion with extension into the mediastinum is much more likely. In a case like this, it is difficult to be sure exactly where the tumor arose, however, it is recommended the default site be the main bronchus when there is no information to the contrary.
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20120013 | Reportability--Heme & Lymphoid Neoplasms: Should a 2011 diagnosis of Langerhans cell histiocytosis be accessioned as a reportable case if the patient had a disease free interval between the 2011 diagnosis and when the patient was initially diagnosed with Langerhans cell histiocytosis prior to 2010? See Discussion. |
The patient was diagnosed with Langerhans cell histiocytosis as a child when the disease was not reportable [9751/1]. The patient was disease free until a recurrence in 2011. Langerhans cell histiocytosis is reportable if diagnosed 1/1/2010 and later [9751/3]. The Heme Manual states this is a single primary, but the behavior has changed from borderline to malignant since the initial diagnosis. |
For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph. Do not accession the 2011 diagnosis of Langerhans cell histiocytosis. In the Abstractor Notes section of the Heme DB is indicates this is reportable for cases diagnosed 2010 and later. However, this patient was initially diagnosed prior to 2010 when it was not a reportable disease process. The histology code for Langerhans cell histiocytosis has not changed over time. The histology code for cases of Langerhans cell histiocytosis diagnosed prior to 2010 was also 9751 per the ICD-O-3. The only change since 2010 was in the behavior code for this disease. It changed from borderline [/1] to malignant [/3]. The current disease represents a recurrence of the previous Langerhans cell histiocytosis. Per the Multiple Primary rules, Rule M2, a single histology is a single primary. The original diagnosis was made before the disease was reportable; do not report the disease recurrence or progression as a new primary. 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. |
2012 |
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20120064 | Reportability--Heme & Lymphoid Neoplasms: If hemophagocytic lymphohistiocytosis treated with several rounds of chemotherapy is reportable, what is the primary site? |
Patient was diagnosed with hemophagocytic lymphohistiocytosis on blood and bone marrow biopsy. This was also referred to in the chart as hemophagocytosis and hemophagocytic syndrome. Hemophagocytic syndrome is listed in the Heme DB as 9724/3. The patient had several rounds of fairly aggressive chemotherapy. Would the correct primary site for histology 9724/3 be C421 [bone marrow], or C779 [lymph nodes, NOS]? See SINQ 20100113. |
For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph. Hemophagocytic syndrome, also known as hemophagocytic lymphohistiocytosis (HLH), is not reportable. Per Appendix F, HLH is caused by an over stimulated immune system (infection, etc.). It is a clinical syndrome associated with a variety of underlying conditions. To be reportable, a child's diagnosis must state "fulminant hemophagocytic syndrome" to be reportable (9724/3). This is not the situation in this case. "Hemophagocytic lymphohistiocytosis" 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. |
2012 |
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20120033 | Multiple Primaries--Hematopoietic: How many primaries are abstracted when a patient is diagnosed with essential thrombocythemia in 2007 and a bone marrow biopsy performed on 12/4/2009 shows primary myelofibrosis? See Discussion. |
The patient was diagnosed with essential thrombocythemia in 2007 and was treated with Hydrea. The 2009 bone marrow biopsy showed primary myelofibrosis which the physician states is a transition from the essential thrombocythemia. The Heme DB calls this two primaries. |
This is a single primary, essential thrombocythemia [9962/3] diagnosed in 2007. The 2010 Heme DB and Manual should not have been used to determine the number of primaries in this case. The Heme DB applies only to cases diagnosed 2010 and later. In order to determine the number of primaries, use the rules in place at the time of the subsequent 2009 diagnosis of primary myelofibrosis. Per the Single Versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table, a diagnosis of essential thrombocythemia [9962/3] followed by a diagnosis of primary myelofibrosis [9961/3] is a single primary. |
2012 |
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20120056 | First course treatment--Corpus Uteri: Should Arimidex be coded as hormone therapy for an endometrioid adenocarcinoma? See Discussion. | Per the SEER Manual, endometrial cancers may be treated with progesterone which is coded as hormone therapy for these primaries. As endometrioid adenocarcinomas are hormonally-dependent carcinomas, should an aromatase inhibitor or anti-estrogen agent also be coded as hormone therapy? | Arimidex has not been approved to treat endometrial cancer. It is not prescribed for pre-menopausal women. Clarify with the physician why the drug was being used. If the physician states Arimidex was given to reduce tumor burden, code as hormone therapy.
See the SEER*Rx interactive database, http://seer.cancer.gov/seertools/seerrx/ |
2012 |
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