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| Report | Question ID | Question | Discussion | Answer | Year |
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20021117 | Multiple Primaries (Pre-2007)--Bladder/Prostatic Urethra: Is the prostatic urethra a new primary for a case with a history of recurrent noninvasive bladder cancer that was subsequently diagnosed with transitional cell carcinoma in situ of the prostatic urethra and had a subsequent clinical diagnosis of "refractory bladder carcinoma"? | For tumors diagnosed prior to 2007:
If the histology of the bladder primary is "transitional cell carcinoma" or "papillary transitional cell carcinoma," do not code the prostatic urethra as a new primary. This is probably a case of intraluminal (mucosal) spread of the original tumor, rather than separate primaries. The clinical diagnosis supports this view.
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 | |
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20021158 | Multiple Primaries/Histology--Lymphoma: What is the primary site(s) for a patient who had a lymph node biopsy with the histology of "large B cell lymphoma arising in the setting of low grade B cell lymphoma c/w marginal zone B cell lymphoma with plasmacytic features"? See discussion. | This patient also had a bone marrow biopsy that demonstrated "low grade B cell lymphoma." Per the clinician, "Pt with discordant lymphoma. We will be approaching his lymphoma as two different diseases. The large B cell had cleared after chemotherapy and radiation therapy. The low grade lymphoma is incurable." | For cases diagnosed prior to 1/1/2010: Code as two primaries with each arising in lymph nodes [C77._]. The histology for the first primary is 9699/3 [marginal zone B cell lymphoma]. The histology for the second primary is 9680/3 [large B cell lymphoma]. 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. |
2002 |
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20020044 | Terminology/EOD-Extension--Prostate: How does SEER define the prostatic "apex"? See discussion. |
Some pathologists define the prostatic apex as including the bottom third of the prostate whereas others regard only the bottom-most portion of the gland to be the apex. |
SEER defines the apex as being the bottom-most portion of the gland. Apex means "narrowest part," which in the prostate would be the bottom-most portion of the gland. |
2002 |
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20021142 | Date of Diagnosis: If an originally diagnosed "benign" tumor is later discovered to have "metastasized", should the date of diagnosis be back-dated to the date the original tumor was discovered or to the date the metastatic disease was identified? | Code the Date of Diagnosis field to the date the malignancy is diagnosed. If there was a medical or pathologic review of the original benign diagnosis that indicates that the patient had cancer at the earlier time, then the earlier date is coded as the date of diagnosis. If no medical or pathologic review of the original benign diagnosis is done, then code the date of diagnosis to the date the metastasis is discovered. | 2002 | |
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20021139 | Date of Diagnosis/EOD-Extension--Placenta: How do you code these fields for a patient who presents with a vaginal metastatic lesion for a placenta primary? Should EOD-Extension be coded to 60 [Other genital structures NOS: vagina, ovary, broad ligament, fallopian tube] or 85 [metastasis other than lung]? See discussion. | Pt had D&C Feb 5 with features of complete mole. On March 7, pt seen for a mass just inferior to the urethral meatus. At path, vaginal introitus fragments were consistent with choriocarcinoma. At time of March 23 admit for chemo, history is given as large hydatidiform mole evacuated Feb 5. Her beta hCG titers initially fell but approximately one month later hCG titers rose. At that time, she had an obvious vaginal metastatic lesion. | For cases diagnosed 1998 or after: Code the Date of Diagnosis field to March 7, which is the date that the choriocarcinoma was first diagnosed. There was no slide review or clinical statement that the first occurrence was obviously malignant. Therefore, the vaginal mets is not progression and is codeable as extension. Code the EOD-Extension field to 60 [other genital structures, NOS] according to the current EOD scheme for placenta. Even though the mass is discontinuous, it is still included in code 60 per the guidelines of the FIGO system on which the EOD is based. | 2002 |
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20020020 | Multiple Primaries (Pre-2007)--Breast: When two breast tumors with two different histologies, such as duct and mucinous are diagnosed in the same breast at the same time, are they reportable as two primaries? See discussion. |
Our rule is that multiple lesions of different histologic types are separate primaries. However, for separate tumors of duct and lobular, we report as a single primary. Since we now have a combination code for duct and other types of ca, do we report as a single primary or continue to report as separate primaries? |
For tumors diagnosed prior to 2007: When there are two breast tumors, one mucinous, the other duct carcinoma, report as two primaries when the pathologist's opinion clearly states that there are separate primaries. If there is no such information from the pathologist, the two tumors must be separate with clear (negative) margins to be reported as two primaries. Otherwise, report as one primary. The ICD-O-3 combination codes are not intended to combine tumors of different histologic types. 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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20021125 | Histology (Pre-2007)--Testis: What code is used to represent the histology of "mixed germ cell tumor, embryonal carcinoma and mature teratoma" of the testis? See discussion. | Is the teratoma required to be described as "immature" or "malignant" in order to use the histology code of 9081/3 [mixed embryonal carcinoma and teratoma]? | For tumors diagnosed prior to 2007:
Code the Histology field to 9081/3 [Teratocarcinoma, mixed embryonal carcinoma and teratoma], in both ICD-O-2 and ICD-O-3.
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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20021197 | Scope of Regional Lymph Node Surgery--Breast: How should this field be coded when a mastectomy that removed 3 sentinel lymph nodes is later followed by an axillary lymph node dissection that removed 17 lymph nodes? Should all of the lymph node information be coded to this field, even though the Number of Regional Lymph Nodes Examined field will be coded to the number of lymph nodes from the most definitive surgery (17)? | For cases diagnosed 1/1/2003 and after: Yes, all of the lymph node information should be coded to the Scope of Regional Lymph Node Surgery field using code 7 [Sentinel node biopsy and code 3, 4, or 5 at different times].
The Number of Regional Lymph Nodes Examined field no longer exists for this time frame. |
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20021201 | EOD-Extension--Lymphoma: What code is used to represent this field for a lymphoma with retroperitoneal lymph node involvement and splenomegaly? | For cases diagnosed 1998-2003:
Per AJCC, code spleen involvement which is demonstrated by:
1. Unequivocal palpable splenomegaly alone. 2. Equivocal palpable splenomegaly with radiologic confirmation (ultrasound or CT). 3. Enlargement or multiple focal defects that are neither cystic nor vascular (radiologic enlargement alone is inadequate).
If the spleen is proven to be involved, code extension for this case as 20 [Involvement of two or more lymph node regions on the same side of the diaphragm; Stage II].
If the spleen is not proven to be involved, code extension as 10 [Involvement of a single lymph node region; Stage I]. |
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20021008 | Surgery of Primary Site/Surgical Procedure of Other Site--Bladder: What codes are used to represent these fields for a deeply invasive bladder primary treated initially with a TURP (for suspected prostate extension that turns out to be pathologically negative) and a TURB that is subsequently treated with a cystoprostatectomy? | For cases diagnosed 1/1/2003 and after, code: 1. Surgery of Primary Site field to 60 [Radical cystectomy (male only)] because the cystoprostatectomy was the most extensive (definitive) surgery performed to the primary site. 2. Surgical Procedure of Other Site to 2 [Non-primary surgical procedure to other regional sites] based on the TURP. |
2002 |
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