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Report Produced: 05/09/2025 07:02 AM

Report Question ID Question Discussion Answer Year
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
    		20061077 Chemotherapy--Breast: Is chemotherapy administered for inflammatory breast cancer also coded as therapy for an in situ tumor in the contralateral breast? Yes. Because chemotherapy would likely affect both primaries, code it as treatment for both the in situ and the inflammatory breast cancers. 2006
    		20041097

    Reportability--Brain and CNS: Is a skull tumor schwannoma an intracranial reportable benign tumor if the physician states it arose in the occipital nerve?

    No. These schwannomas are not intracranial and therefore, are not reportable to SEER. The occipital nerve is not one of the 12 intracranial nerves (i.e., Abducens, Auditory (vestibulocochlear), Facial, Glossopharyngeal, Hypoglossal, Oculomotor, Olfactory, Optic, Spinal Accessory, Trigeminal, Trochlear, and Vagus).

    		 2004
    		20021010

    Histology (Pre-2007): What code is used to represent the histology adenocarcinoma with "areas of" papillary architecture and "foci of" squamous differentiation? Even though "areas of" and "foci" are non-majority terms, should histology be coded to the combination code of adenocarcinoma with mixed subtypes [8255/3]?

    For tumors diagnosed prior to 2007:

    Code the Histology field to the majority of the tumor, which is 8140/3 [adenocarcinoma, NOS]. The terms "areas of" and "foci of" should be ignored because they are not terms that reflect the majority of the tumor. Therefore, we cannot use rule A on page 2 of Coding Complex Morphologic Diagnoses because this diagnosis does not represent a complex morphology.

    For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

    		 2002
    		20061080 Histology (Pre-2007): Is histology for an anorectal biopsy of "Cloacogenic carcinoma (squamous cell carcinoma with basaloid features)" coded to 8124/3 [Cloacogenic carcinoma] or 8083/3 [Basaloid squamous cell carcinoma]?

    For tumors diagnosed prior to 2007:

    Code histology to 8124/3 [Cloacogenic carcinoma]. These are squamous cell carcinomas of basaloid type that are found in the cloacogenic (transitional) zone of the anal canal.

    For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

    		 2006
    		20091072 Histology--Brain and CNS: How is histology coded for a "rosette-forming glioneuronal tumor" of the fourth ventricle?

    Assign histology code 9505/1 [Ganglioglioma, NOS].

    Rosette-forming glioneuronal tumor of the 4th ventricle is a new WHO entity. There is no current ICD-O-3 code for this. The best code available at this time is 9505/1.

    		 2009
    		20071031 Histology--Lymphoma: How is a "lymphocytic lymphoma of follicular center cell origin" coded?

    For cases diagnosed prior to 1/1/2010:Assign code 9690 [Follicular lymphoma, NOS]. According to the WHO Classification of Lymphoid tumors, follicular lymphoma is a neoplasm of follicle center B cells which has at least a partially follicular pattern.

    Assign code 9695 for follicular lymphoma grade 1, 9691 for follicular lymphoma grade 2, and 9698 for follicular lymphoma grade 3.

    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.

    		 2007
    		20000272 Grade, Differentiation: Are anaplastic tumors always coded to grade 4, even for anaplastic brain primaries? Yes. Always code the Grade, Differentiation field to for 4 [Grade IV] for "anaplastic" tumors. Anaplastic is synonymous with undifferentiated. Refer to the example in the SEER Program Code Manual, 3rd Ed. 2000
    		20130185

    Reportability/Behavior: Is HGSIL (high grade squamous intraepithelial lesion) of the vulva or vagina reportable and is it a synonym for histology code 8077/2 [squamous intraepithelial neoplasia, grade III]?

    For cases diagnosed 2018 and later

    HGSIL of the vulva or vagina is reportable. HGSIL is a synonym for squamous intraepithelial neoplasia, grade III.

    		 2013
    		20031066 Histology (Pre-2007): Is 8524 [lobular mixed with other carcinoma] or 8490 [signet ring cell carcinoma] used to represent a diagnosis of "infiltrating lobular with signet ring features?"

    For tumors diagnosed prior to January 1, 2004:

    According to our pathologist consultant, for this specific case, code to 8490 [Signet ring cell carcinoma].

    Our pathologist states: "Signet ring cell carcinoma is most often a variant of lobular carcinoma (as it appears to be in this case - it is less frequently a variant of ductal), and I think it's appropriate to code it as such. Coding to lobular would also be ok, though that would lose the special feature of the signet ring cells. I would rather not code to 8524, since it is not really a mix of lobular and something else."

    For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

    		 2003