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| Report | Question ID | Question | Discussion | Answer | Year |
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20021146 | Primary Site--Lymphoma: Is the primary site likely to be extranodal for a lymphoma that presents in an extranodal site and lymph nodes which are regional for that site? Is the primary site also likely to be extranodal if an extranodal site and lymph nodes are excised? See discussion. | Example: Work-up included a negative CXR. A CT showed multiple dilated loops of small bowel consistent with obstruction and nodular prominence at the base of bladder. Laparotomy with resection of small bowel and multiple biopsies of enlarged mesentric lymph nodes performed. Final path diagnosis: Lymphoma in a "mesenteric mass" and in "small bowel." There was no mention of lymph nodes in the final diagnosis and the detailed micro described the mesenteric mass as just adipose tissue replaced by lymphoma. However, the gross for that specimen states 4 lymph nodes were found in the fat. The small bowel micro described an ulcerated lesion of the small bowel extending into muscularis. | For cases diagnosed prior to 1/1/2010:Code the Primary Site field to C17.9 [small bowel] for the example. When an extranodal organ and that organ's regional nodes are involved, the extranodal site is most likely the primary, unless there is extension from the regional nodes to the organ. If the primary site cannot be determined for a lymphoma diagnosed in both a nodal and extranodal site, code to C77.9 [lymph nodes NOS]. For cases diagnosed 2010 forward, 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. |
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20021101 | Histology (Pre-2007)/Grade, Differentiation--All Sites: How do we code these fields for a tumor that is predominantly a "well differentiated liposarcoma" [8851/31] that has a less predominent type of "dedifferentiated liposarcoma" [8858/33]? If we code the predominant cell type [8851/3] and the worst grade [3], the case will not pass edits because well-differentiated liposarcoma requires a differentiation code of 1. See discussion. | Example: Dedifferentiated liposarcoma, with the following features: size 22 cm, FNCLCC grade 3 of 3 [high grade]. Path comment: The tumor consists of predominantly well-differentiated sclerosing subtype liposarcoma and areas of high grade spindle cell (non-lipogenic) sarcoma. The area of high grade spindle cell sarcoma measured up to 7.5 cm. | For tumors diagnosed prior to 2007:
Code the Histology field to 8858/33 [Dedifferentiated liposarcoma, grade 3]. The pathologist gives a final designation of Dedifferentiated liposarcoma and then provides further details in the comment that do not negate the final designation.
Grade is usually coded independent of the cell type. There are a few Catch-22 situations, like this one, in which the grade is built into the name of the cell type.
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. |
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20021013 | Histology (Pre-2007)--Breast: What code is used for histology "tubular carcinoma with lobular carcinoma in situ"? | For tumors diagnosed prior to 2007:
Assign code 8211/3 [Tubular carcinoma]. According to histology rule #2 for a single tumor on page 86 of the 2004 SEER manual, code the invasive histology when both invasive and in situ tumor are present.
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. |
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20021140 | EOD-Extension--Head & Neck: How do you code extension for a supraglottic larynx primary with "pre-epigolottic space" invasion? | For cases diagnosed 1998-2003:
Code the EOD-Extension field to 65 [Pre-epiglottic tissues]. Extension to "pre-epiglottic space" is equivalent to extension to "pre-epiglottic tissue." |
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20021112 | Multiple Primaries/Histology--Hematopoietic, NOS: The subsequent primary table for 2001 and later indicates that 9863/3 [acute myelogenous leukemia (AML)] followed by 9980/3 [refractory anemia (RAEB)] is a new primary, but 9989/3 [myelodysplastic syndrome, NOS (MDS)] is not. Is the case below two primaries? See discussion. | Bone marrow bx states: The morphologic blast count of 7% exceeds 5%, traditionally used to define relapse in the setting of acute leukemia. Given the clinical hx that the pt's peripheral blood counts had initially normalized after induction therapy, the recent fall in counts is worrisome for the possibility of early relapse. Alternatively, therapy may have simply reverted the pt's marrow from AML to a precursor myelodysplastic syndrome (such as RAEB given the blast count) from which the AML arose, with the falling counts being progression of the underlying MDS. The identification of significant dysplasia in the bone marrow at the time of diagnosis would tend to support the possibility of an underlying MDS. Clinically, it is unlikely to make a difference whether one regards the present situation as early relapse or progression of an underlying MDS. The final clinical diagnosis is "Myelodysplasia, classified as RAEB." | For cases diagnosed prior to 1/1/2010: This case demonstrates a relapse of AML. The original classification of Histology as 9863/3 [AML] is correct. There is no second primary based on the information provided for this case. For cases diagnosed 2010 forward, 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. |
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20021018 | First Course Treatment--Prostate: How do you code "watchful waiting" in these fields for prostate primaries? | For cases diagnosed 1/1/2003 and later: When "watchful waiting" is the first course of therapy for prostate cancer, code the case as follows:
Date Therapy Initiated: 000000 Surgery of Primary Site: 00 Scope of Regional Lymph Node Surgery: 0 Surgical Procedure of Other Site: 0 Reason for No Cancer-Directed Surgery: 1 Radiation: 0 Chemotherapy: 00 Hormone Therapy: 00 Immunotherapy: 00 Hematologic Transplant and Endocrine Procedures: 00 Other Cancer Directed Therapy: 0 |
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20021026 | Surgery of Primary Site--Skin: Should Mohs surgery be code to 27 [Excisional biopsy] or 31 [Shave biopsy followed by a gross excision of the lesion]? See discussion. | Under surgery coding in the 5/22/01 SEER Abstractor/Coder Workshop book, page 20, it states that Mohs surgery should be coded as an excisional biopsy. The ACoS I&R dated 6/6/2001 states that it should be coded to 31. | For cases diagnosed 1/1/2003 and after: Code the Surgery of Primary Site field to 34 [Mohs surgery, NOS], 35 [Mohs with 1-cm margin or less] or 36 [Mohs with more than 1-cm margin]. | 2002 |
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20021147 | Other Cancer Directed Therapy--Hematopoietic, NOS: Is "aspirin" treatment for primary polycythemia? See discussion. |
Aspirin is listed as treatment for "thrombocythemia" in the Abstracting and Coding Guide for the Hematopoietic Diseases but not for "primary polycythemia." |
Do not code aspirin as treatment for primary polycythemia (polycythemia vera). |
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20021184 | EOD-Lymph Nodes--Head & Neck: When a physician provides only "Stage IV" (i.e., an abbreviated stage) for a right posterior tongue primary with lateral extension into the oropharynx and hypopharynx, can you assume "palpable" level 2, 3 and 5 lymph nodes are involved? | For cases diagnosed 1998-2003:
Code the EOD-Lymph Nodes field to 9 [Unknown], based on the information provided.
The physician's statement of an N category from a TNM may be used to determine lymph node involvement in the absence of other information. However, you cannot assume nodal involvement based on the incomplete staging information of "Stage IV" for a base of tongue primary. For this primary site, extension into the hypopharynx from this primary is equivalent to T4/Stage IV. Therefore you cannot assume the clinician's assessment of the case as Stage IV represents his assessment of lymph node involvement. |
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20021154 | Primary Site: What code is used to represent the primary site for a "teratocarcinoma with features of embryonal carcinoma" removed from the thigh muscle in a patient with x-ray negative testicles? See discussion. |
The case was reviewed by AFIP and called "extratesticular." Per our pathology consultant, the site should be coded to unknown because it is very doubtful that the tumor was primary in the soft tissue of the thigh. According to him, such tumors don't originate exclusively in the testes, but tend to occur along the central axis such as the mediastinum or retroperitoneum. If an extratesticular tumor arises in either of these areas, the primary site should be code to the mediastinum or the peritoneum rather than to unknown. Lesions primary in the testicle may also undergo maturation with fibrosis and involution. This process often leaves little evidence of the original tumor in the testis. |
Code the Primary Site field to C809 [unknown] for this case. The thigh tumor is a metastatic site. |
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