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Report Produced: 12/29/2025 06:07 AM

Report Question ID Question Discussion Answer Year
20081044 MP/H Rules/Behavior--Melanoma of Skin: How are histology and behavior coded for a "malignant melanoma in situ with regression"? See Discussion. Per the microscopic portion of the path report, there is a zone of regression within the confines of the lesion, such that the possibility of antecedent invasive disease at the site cannot be ruled out with certainty.

For cases diagnosed 2007 or later:

Code malignant melanoma in situ with regression to 8720/2 [Melanoma in situ].

Code the histology according to the histologic type specified in the pathology report final diagnosis. Code the behavior as specified in the pathology report. Regression does not affect the coding of histology or behavior. See Melanoma Histology Coding rule H5. See 2007 SEER manual instructions for coding behavior, page 84.

 2008
20081107 Multiplicity Counter/Ambiguous terminology: How should these fields be coded for cases with an unknown date of diagnosis? If the date of diagnosis is unknown, it is likely that you have little information for this case. Both multiplicity counter and ambiguous terminology fields would probably be coded as unknown. However, if information on the number of tumors and the diagnostic confirmation are available, code these fields as specified in the manual. 2008
20081096 Computed Ethnicity: Should the Name--Alias field be used when generating Computed Ethnicity? No, "Alias" is not used and should not be used to generate Computed Ethnicity. Computed Ethnicity records the ethnicity based on last name and/or maiden name using a computer algorithm. Alias is not part of the algorithm. 2008
20081019 Multiple Primaries--Lymphoma: How many primaries are abstracted for a patient with a 1995 periaortic lymph node biopsy showing lymphocytic lymphoma, diffuse small cleaved probable intermediate grade B cell positive, followed by stomach biopsies on 6/18/05 showing diffuse large B cell lymphoma and on 6/24/05 showing malignant lymphoma, tumor cells positive for [CD20] B cell respectively?

For cases diagnosed prior to 1/1/2010:There are two primaries:

  • Lymphocytic lymphoma, diffuse, intermediate in 1995

  • Diffuse large B-cell lymphoma in June, 2005

    • According to the Single versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table, 9673 [Malignant lymphoma, lymphocytic, diffuse, intermediate] and 9680 [Malignant lymphoma, large B-Cell, diffuse] are separate primaries. Again, according to the table, 9680 [Malignant lymphoma, large B-Cell, diffuse] and 9591 [Malignant lymphoma, non-Hodgkin, NOS] are the same primary.

    For cases diagnosed 1/1/10 and later, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

    		 2008
    		20081097 DCO/Systemic Treatment, Surgery Sequence: How does SEER want systemic treatment/surgery sequence coded for a DCO case?

    Assign code 0 [No systemic therapy and/or surgical

    treatment] as a default for DCO cases.

    		 2008
    		20081128

    MP/H Rules/Histology--Breast: What is the histology code for the following?

    4/21/03 Left breast: infiltrating ductal carcinoma, grade 3 micropapillary type. Tumor size: 3.5 cms; deep margin negative. Skin, nipple & areola positive for invasive ductal carcinoma. Dermal lymphatic invasion by carcinoma breast. Extensive intraductal component absent. 6+/6. See Discussion.

    		 How should histology be coded for a 2003 diagnosis and also for the same diagnosis in 2007 or later?

    For a case diagnosed in 2003, code 8507/3 [Duct micropapillary carcinoma]. See Coding Complex Morphologic Diagnoses, revised August 2002, 3rd example on page 5 and page 3, #4.

    For cases diagnosed 2007 or later, code 8507/3 [Duct micropapillary carcinoma]. Use rule H12.

    		 2008
    		20081006 Multiplicity Counter: Is there a time frame for the Multiplicity Counter or is it related to the duration for counting new tumors (i.e. 5 years for breast, etc) to capture the number of "local recurrences"? Record the number of tumors counted as a single primary at the time the case is abstracted. Later, if additional tumors are determined to be the same primary, update this field once. Do not update the multiplicity counter more than once. 2008
    		20081131 MP/H Rules--Colon: What histology would you assign to a single tumor with the histology 'well differentiated mucinous cystadenocarcinoma in a villous adenoma confined to the appendix'? Does rule H4 apply to this diagnosis or should we continue on in the rules to H14 and code the higher histology?

    For cases diagnosed 2007 or later, use rule H4.

    Stop at the first rule that applies to the case. Rule H4 is the first rule that applies.

    The polyp rule, H4, comes before many of the other colon rules because it is important to know that the malignancy originated in a polyp.

    		 2008
    		20081049 Histology--Pancreas: What is the correct code for "non-secretory pancreatic endocrine tumor" with positive lymph nodes on excision indicating a malignant tumor? Pathologist indicated it was not an exocrine tumor.

    Code as islet cell carcinoma [8150/3].

    There are several cell types in the islets, and each produces a different hormone. The custom has been to name the tumors by their hormone production e.g. insulinoma, glucagonoma, etc. Occasional tumors do not produce any hormone (at least one that can be determined or measured). These tumors are called non-functioning endocrine tumors. Most of the endocrine tumors in the pancreas are islet cell tumors.

    		 2008
    		20081141

    MP/H Rules--Lung: How do we interpret 'spiculated opacities?' How many primaries do we abstract for this patient? See Discussion.

    Patient admitted for CT scan of chest. Impression: A small subpleural spiculated opacity is noted in the left upper lobe measuring 9.7x7.7mm. Right upper lobe spiculated nodular opacity measures 13.9x5.9mm. Right lower lobe scattered faint alveolar nodular opacities are noted. The lungs are otherwise clear. Abnormal soft tissue density mass is noted of the right hilum surrounding the distal main right pulmonary artery. Bronchoscopy/mediastinoscopy done: rare malignant cells present consistent with small cell carcinoma, specimen submitted as brushing of right bronchus intermedius. The tumor in the lymph node is metastatic small cell carcinoma. Patient discharged to hospice; died 5 weeks later.

    Do the MP/H rules pertain only to the measured opacities in each lung and not to the RLL scattered faint alveolar nodular opacities? The right side was cytologically confirmed. But if we abstract the left lung, what is the histology...8041 or 8000?

    For cases diagnosed 2007 or later:

    Because there was cytologic confirmation of cancer, for this case only count the spiculated opacities as tumors. Abstract as a single primary using Rule M1. Note 2 under lung rule M1 applies to this case.

    Code the histology as 8041 [small cell carcinoma] per rule H10.

    		 2008