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20110074 | First course treatment/Date therapy initiated--Breast: How is the Date of Initiation of Hormone Therapy field coded when a patient undergoes "Tamoxifen blunting" to achieve better MRI imaging after a biopsy but prior to definitive surgery which is followed by adjuvant Tamoxifen therapy? See Discussion. | Patients are prescribed two weeks of "Tamoxifen blunting" to achieve better MRI imaging after biopsy confirmation of an ER/PR positive breast carcinoma. The Tamoxifen is subsequently discontinued and the patient has definitive surgery. Following surgery, maintenance Tamoxifen is initiated. Which date should be recorded for the Date of Initiation of Hormone Therapy field? Is it the first date when Tamoxifen blunting started or the post-surgical date when maintenance Tamoxifen is initiated? | Use the post-surgical start date of maintenance Tamoxifen to code the Date of Initiation of Hormone Therapy field. The actual hormone treatment begins after surgery when Tamoxifen blunting was performed. The low dose administered prior to surgery does not affect the cancer. | 2011 |
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20110092 | MP/H Rules/Multiple primaries--Breast: How many primaries are accessioned when a pathology specimen reveals one tumor with invasive mucinous carcinoma [8480/3] and a second tumor with in situ ductal carcinoma, solid and cribriform types [8523/2]? |
For cases diagnosed 2007 or later, accession two primaries, invasive mucinous carcinoma [8480/3] and in situ ductal carcinoma, solid and cribriform types [8523/2]. The steps used to arrive at this decision are: Go to the Breast MP rules found in the Multiple Primary and Histology Coding Rules Manual after determining the histology of each tumor (8480/3 and 8523/2). Start at the MULTIPLE TUMORS module, rule M4. These tumors have ICD-O-3 histology codes that are different at the second (xxx) and third (xxx) number and are, therefore, multiple primaries. |
2011 | |
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20110018 | Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted for a case with a history of follicular lymphoma, grade 2 and a subsequent splenectomy diagnosis of diffuse large B-cell lymphoma? See Discussion. |
The patient was treated over a period of time for follicular lymphoma, grade 2. The oncologist thought the spleen was congested and removed it. The diagnosis was DLBCL. |
For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.. This case is accessioned as two primaries per Rule M10 which states to abstract multiple primaries when a neoplasm is originally diagnosed as a chronic neoplasm and there is a second diagnosis of an acute neoplasm more than 21 days after the chronic diagnosis. The first primary is follicular lymphoma, grade 2 [9691/3] and it is a chronic neoplasm. The second primary is diffuse large B-cell lymphoma (DLBCL) [9680/3] and it is an acute neoplasm. 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. |
2011 |
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20110065 | Multiple primaries/Histology--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted when a skin (right thigh) biopsy is consistent with mycosis fungoides (cutaneous T-cell lymphoma)? See Discussion. | Applying rule M15 (multiple primaries calculator) indicates this is two primaries. Is this correct? | For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.
Code the primary site to C447 [skin of lower limb] and code histology to 9700/3 [mycosis fungoides]. he pathologist wrote in parentheses that this was cutaneous (i.e. primary site is skin) and that it is a T-cell lymphoma (mycosis fungoides is a T-cell lineage). So the parenthetical statement was not a separate diagnosis; rather a general classification of the mycosis fungoides. "CTCL" is listed under the Alternate Names section of the Heme DB. CTCL is an abbreviation for cutaneous T-cell lymphoma. CTCL is a synonym for mycosis fungoides. This is a single primary per M2 which states to abstract a single primary when there is a single histology.
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. |
2011 |
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20110116 | MP/H/Histology--Lung: What is the histology code for "heterologous biphasic sarcomatoid carcinoma of the lung with prominent rhabdomyoblastic and adenoca differentiation"? |
The expert pathologist recommends coding histology to 8980/3 [Carcinosarcoma] for this combination histology. Expert consultation: The designation "carcinosarcoma" is given when the pathology shows differentiation in both the sarcomatous (rhabdomyoblastic) and carcinomatous (adenoca) elements. This is emphasized in the path for this case with the term "biphasic." The term "heterologous" mean that the sarcomatous component is of a type not normal to lung. Rhabdomyoblastic means skeletal muscle differentiation. Because skeletal muscle is not normally found in lung it is heterologous. If it were smooth muscle, it would be homologous because smooth muscle is found in lung (as a part of the bronchi). |
2011 | |
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20110105 | Multiple primaries/Histology--Heme & Lymphoid Neoplasms: How many primaries should be reported for a bone marrow biopsy diagnosis of "lymphoproliferative disorder, small cell lymphocytic lymphoma/small cell lymphocytic leukemia consistent with marginal zone lymphoma"? | According to our hematopoietic/lymphoid neoplasm physician expert, abstract one primary with the histology code 9699/3 [marginal zone lymphoma]. The pathologist is using the expression "small lymphocytic lymphoma" in a descriptive manner (marginal zone lymphoma is comprised of small lymphocytes) rather than in a "diagnostic" manner. | 2011 | |
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20110111 | MP/H Rules/Multiple primaries--Breast: How many primaries are to be abstracted for a patient with a history of right breast ductal carcinoma in situ diagnosed in 2007 treated with bilateral mastectomies and a right chest wall mass excised in 2010 that revealed infiltrating ductal carcinoma? See Discussion. |
The patient's right breast DCIS in 2007 was treated with bilateral mastectomies with negative lymph nodes and negative margins. The patient refused Tamoxifen at that time. In 2010 a right chest wall mass excision revealed infiltrating ductal carcinoma with negative axillary lymph nodes. The physician states this is a recurrence. Per MP/H rule M8 this invasive tumor must be abstracted as a new primary. Would the primary site of the 2010 tumor be coded to breast or chest wall given that the patient has a previous mastectomy? |
This tumor in 2010 represents a recurrence; it is not a new primary. This second tumor would be coded as a new primary ONLY if the pathology report states that it originated in breast tissue that was still present on the chest wall. When there is no mention of breast tissue in a subsequent resection, the later occurring tumor is regional metastases to the chest wall (i.e., a recurrence of the original tumor). In turn, this means that there was at least 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. |
2011 |
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20110017 | Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are reported if a patient originally diagnosed with CLL is subsequently diagnosed several months later on a bone marrow biopsy with Richter's syndrome that transformed into a large cell lymphoma? See Discussion. |
Per reviewed resources, the described condition is rare. Should the histology remain CLL or be changed to large cell lymphoma? |
For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph. This case is accessioned as two primaries per Rule M10 which states to abstract multiple primaries when a neoplasm is originally diagnosed as a chronic neoplasm and there is a second diagnosis of an acute neoplasm more than 21 days after the chronic diagnosis. The first primary is CLL [9823/3] and it is a chronic neoplasm. The second primary is diffuse large B-cell lymphoma (DLBCL) [9680/3] and it is an acute neoplasm. Richter syndrome (RS) is a complication of B cell chronic lymphocytic leukemia (CLL) or hairy cell leukemia (HCL) in which the leukemia changes into DLBCL. There is also a less common variant in which the CLL changes into a Hodgkin lymphoma. Richter's transformation affects about 5% of CLL patients. Richter syndrome is listed under the Alternate Names section in the Heme DB for diffuse large B-cell lymphoma [9680/3]. 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. |
2011 |
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20110044 | MP/H Rules/Histology--Corpus uteri: What are the histologies for the primaries to be reported when the endometrium contains two separate tumors composed of adenocarcinoma with multiple differentiations as well as a separate small focus of clear cell carcinoma? See Discussion. |
The resected specimen showed, "Adenocarcinoma of endometrium with the following features: Histologic type: Endometrioid with squamous and focal clear cell differentiation. A second focus of endometrial adenocarcinoma is present in the fundus with admixed complex atypical hyperplasia in a polypoid, non-invasive mass. The second tumor is endometrioid with secretory differentiation. COMMENT: The tissue in between the two tumors is sampled, and contains foci of endometrial adenocarcinoma that is superficially present within the endometrium, as well as a small focus of clear cell carcinoma measuring 0.2 cm." Per MP/H rules M17, this is counted as multiple primaries because the histology codes differ at the third digit: 8323/3, 8382/3, 8310/3. The Multiple Primary rules make no reference to the histology tables. There is also no rule to ignore the in situ tumor. In addition, the histology table in the 2007 MP/H Rules Manual for Other Sites does not include "secretory differentiation" as a type of GYN malignancy. |
After consultation with our expert pathologist, the decision is report this case as a single primary. There was some confusion about how to apply the current MP/H rules to this pathology report given 1) the definition of M16 and M17 and 2) the likelihood for a single endometrial primary to present with several differentiations. According to our expert pathologist, "I would regard this case as a single endometrial primary with extensive endometrial involvement and several types of differentiation, all of which are seen in endometrial carcinomas." Next, the Multiple Primary and Histology Coding Rules Manual is the correct source for coding histology for cases diagnosed 2007 or later. The following steps are used to determine the histology code. Open the Multiple Primary and Histology Coding Rules manual. For an endometrial primary, use the Other Sites Histo rules to determine the histology code because endometrium does not have site specific rules. Start with the MULTIPLE TUMORS ABSTRACTED AS A SINGLE PRIMARY module, Rule H18. The rules are intended to be reviewed in consecutive order within the module from Rule H18 to Rule H31. You stop at the first rule that applies to the case you are processing. Code the appropriate combination/mixed code (Table 2) when there are multiple specific histologies. GYN malignancies with multiple types of adenocarcinoma have histology coded to 8323/3 [mixed cell adenocarcinoma] per rule H30. |
2011 |
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20110051 | Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted when bilateral breasts are involved with MALT lymphoma and the bone marrow is negative? | For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.
Per Rule M2, this is a single primary because there is a single histology mentioned. The histology is coded to 9699/3 [MALT lymphoma]. Code the primary site to C509 [breast] per Rule PH24 which states to code the primary site to the organ when lymphoma is present only in an organ.
Unless your software has edits that prevent coding laterality for lymphomas, code the laterality as bilateral. Up to half of extranodal, extragastric MALT lymphomas occur in multiple sites, particularly in paired sites (breast is an example).
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. |
2011 |