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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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20110008 | MP/H Rules/Histology--Vulva: How is histology coded for VIN III with focal invasion? See Discussion. | Per SINQ 20000442, the histology for CIN III with microinvasion is coded to 8077 [squamous intraepithelial neoplasia, grade III] per the matrix system rules, with a behavior code of /3 [malignant]. Coding the histology to 8077/3 per the matrix principle causes IF25_3 and MorphICDO3_P1 edits to fail. Flagging the first error resolves any reporting issue. How is the MorphICDO3_P1 edit resolved? | Assign 8076/3 [squamous cell carcinoma, microinvasive] for VIN III with focal invasion. This applies to all terminologies listed under 8077/2. The SINQ question from 2000 will be retired. | 2011 |
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20110055 | Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted for a bone marrow biopsy diagnosis of "acute myeloid leukemia (non-M3 type; favor FAB M1), probably arising in myelodysplastic syndrome;" and flow cytometry studies performed the same day were consistent with acute myeloid leukemia? |
For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.
Ambiguous terminology is NOT used to determine histology for hematopoietic or lymphoid neoplasms. Therefore, the comment that the AML is "probably" arising in myelodysplastic syndrome is not used to determine the histology code. The term "favor" is also an ambiguous term and cannot be used to code histology.
This is a single histology per M2, abstract a single primary when there is a single histology. The histology is coded to 9861/3 [acute myeloid leukemia, NOS]
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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20110029 | DCO/Multiplicity Counter/Type of Multiple Tumors: How are these fields coded for an unknown primary reported as a DCO case? See Discussion. | Do DCO cases have default values for the Multiplicity Counter and Multiple Tumor Reported as One Primary fields? Should these fields be coded as 88 or 99?
In the data item pages for these fields, there is only a reference to see the NAACCR Death Clearance Manual. However, this manual does not provide an answer. There is guidance to use code 88 for unknown primaries but we noticed that SEER edits skip enforcing this requirement for DCO cases (see SEER IF205 and 206). |
For a DCO case reported as an unknown primary [C809], code Multiplicity Counter to 99 [Unknown if multiple tumors; not documented] and Type of Multiple Tumors Reported as One Primary to 99 [Unknown]. | 2011 |
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20110075 | Primary site--Heme & Lymphoid Neoplasms: How do you code primary site for a case of "leukemia cutis" when the bone marrow exam is negative for involvement with leukemia? | For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.
Code the primary site to C421 [bone marrow] per Rule PH30 which states to use the to determine the primary site and histology when rules PH1-PH29 do apply. Leukemia cutis is the term for a leukemic infiltration of the epidermis, the dermis or the subcutis. This infiltration is easily identified as cutaneous lesions, but the primary site is still bone marrow. This is a type of "metastasis" or spread of the leukemia cells. The "conventional" definition for leukemia cutis is the infiltration of skin from a bone marrow primary. See the Hematopoietic & Lymphoid Neoplasm Coding Manual Glossary.
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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20110151 | Reportability--Heme & Lymphoid Neoplasms: Is "common variable immunodeficiency" which is also known as acquired hypogammaglobulinemia reportable? |
For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph. Common variable immunodeficiency (acquired hypogammaglobulinemia) is not a reportable condition. Common variable immunodeficiency represents a group of approximately 150 primary immunodeficiencies that have a common set of symptoms but different underlying causes, both benign and malignant. The case is not reportable unless this immunodeficiency diagnosis is accompanied by a diagnosis of a cancer or a reportable hematopoietic or lymphoid neoplasm. See 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. |
2011 | |
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20110045 | Reportability--Ovary: Is immature teratoma of the ovary reportable if a subsequent comment states that "the teratoma shows immature neuroepithelium, but no malignant elements"? | There is conflicting information for this case. The final diagnosis conflicts with the comment. Go back and check with the physician to clarify his/her intent. If no further information can be obtained, the final diagnosis is preferred over the comment. This case is reportable based on the final diagnosis: "immature teratoma." | 2011 | |
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20110058 | Date of diagnosis/Flag: Will the Date of Diagnosis Flag ever be used if the instructions for coding Date of Diagnosis are followed? See Discussion. | If an abstractor follows the instructions for coding the Date of Diagnosis and can at least estimate a year of diagnosis, in what scenario will the Flag be used?
Per the 2010 SEER Manual,
Page 49 Date of Diagnosis, second paragraph, "Regardless of the format, at least Year of diagnosis must be known or estimated. Year of diagnosis cannot be blank or unknown." The manual gives the following guidelines for coding diagnosis date/flag:
Page 50, Coding Instructions: 3. If no information about the date of diagnosis is available a. Use the date of admission as the date of diagnosis b. In the absence of an admission date, code the date of first treatment as the date of diagnosis.
Page 51, Coding Instructions: 9. Estimate the date of diagnosis if an exact date is not available. Use all information available to calculate the month and year of diagnosis.
Page 53, Date of Diagnosis Flag, Coding Instructions: Always leave blank. Date of Diagnosis will always be a full or partial date recorded. |
The date of diagnosis flag should always be blank. | 2011 |
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20110103 | MP/H Rules/Histology/Ambiguous terminology: Can synonyms of listed terms, such as "variety" for the list termed "type," be used to code a more specific histology? See Discussion. | The list of terms denoting a more specific histology does not include "variety." During MP/H training sessions there was an emphasis placed on only using terms listed to code a more specific histology. However, the results of an audit indicated that because "variety" is a synonym for "type" it could be used to code a more specific histology. Are synonyms of listed terms to be used to code histology? | No. Synonyms of listed words used in the MP/H rules (e.g., "variety" for the listed term "type") cannot be used to designate a more specific histology. | 2011 |
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20110070 | MP/H Rules/Histology--Endometrium: How is histology coded when clear cell adenocarcinoma [8310/3] is stated to involve a "1.5 cm endometrial polyp"? See Discussion. | The CAP formatted pathology report histology field states, "Clear cell adenocarcinoma, NOS 98310/3)" and the tumor size comment field states, "Carcinoma involves a 1.5 cm endometrial polyp." Does rule H11 apply? Is the histology coded to clear cell adenocarcinoma [8310/3] because this is one histologic type identified in the CAP formatted histology field? Or should rule H12 apply and the histology coded as clear cell adenocarcinoma arising in a polyp [8210/3]? Or should we code the higher histology per rule H17 apply because clear cell adenocarcinoma and adenocarcinoma in a polyp are two specific histologies?
For colon primaries, whether or not the tumor arose in a polyp is quite important. Is this also the case for primaries listed in the Other Sites category? |
Code histology to 8310/3 [clear cell adenocarcinoma]. 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.
Go to the SINGLE TUMOR: INVASIVE ONLY module, which starts at Rule H8.
. Code clear cell adenocarcinoma [8310/3] because only one histologic type is identified. |
2011 |
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