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Report Produced: 10/08/2024 07:38 AM

Report Question ID Question Discussion Answer Year
20021096 Grade, Differentiation--Bladder: What codes are used to represent this field for the four bladder cases described in the discussion section that have a combination of grades mentioned in the pathology reports? See discussion.

1) Final path diagnosis: papillary transitional cell carcinoma, high grade. Micro description states: High grade, poorly differentiated carcinoma.

2) Well to moderately differentiated papillary transitional cell carcinoma, grade 1-2/3.

3) Urothelial carcinoma, high grade (poorly differentiated, grade 3 of 3).

4) High grade papillary urothelial carcinoma (papillary transitional cell carcinoma, grade 3 out of 4).

For cases diagnosed January 2004 and forward:

1) Grade 4. High grade is coded 4. Code the grade stated in the final diagnosis.

2) Grade 3. Grade 1-2/3 is coded 3. Use the three-grade conversion table in the 2004 SEER manual.

3) Grade 4. Grade 3 of 3 is coded 4. Use the three-grade conversion table in the 2004 SEER manual.

4) Grade 3. "Grade 3 out of 4" is coded 3 and is more precise than "high grade."

 2002
20021066 Histology: How do we code this field when a less representative specimen has a more specific morphology? See discussion. Example: Biopsy revealed endometrioid adenocarcinoma and the resection demonstrated adenocarcinoma, NOS. Do we code histology per the most representative sample, or to the more specific morphology?

Code the histology using the pathology report from the most representative specimen, even if that histology is less specific.

For the case example above, code 8140 [adenocarcinoma, NOS].

The rationale is that a diagnosis from a smaller specimen will be less accurate and less representative of the true histology compared to a larger tumor specimen.

 2002
20021077 Histology (Pre-2007)/Primary Site/EOD-Extension--All Sites: How do you code these fields for a resected thyroid that is negative for any diagnostic abnormality and a left ovary that demonstrates "papillary thyroid carcinoma arising in a cystic teratoma"? See discussion. Teratomas occurring in the ovaries frequently contain various types of fully differentiated tissue that normally occur in other body parts. Should the primary be coded to the ovary or to the organ in which that type of tissue normally occurs?

For tumors diagnosed prior to 2007:

Code the Primary Site field to the organ in which the cancer arose. For this tumor, code the Primary Site field to C56.9 [ovary] and Histology to 8260/3 [papillary carcinoma of thyroid]. Use the ovary EOD for tumors diagnosed 1998-2003.

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
20021062 Histology (Pre-2007)--Breast: What code is used to represent histology for "invasive ductal carcinoma with squamous differentiation"? Is "squamous differentiation" synonymous with "squamous metaplasia"?

For tumors diagnosed prior to 2007:

Code the Histology field to 8570/3 [Adenocarcinoma with squamous metaplasia]. Our pathology consultant agrees that squamous metaplasia is synonymous with squamous differentiation.

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
20021179 Primary Site/EOD Fields--Head & Neck: In the absence of an actual resection and a pathologic evaluation of the affected area, would a laryngoscopy or CT scan provide a better assessment of the EOD and the primary site?

For cases diagnosed 1998-2003:

For Primary Site and EOD, CT information has higher priority than laryngoscopy. The CT scan gives a better picture of the involvement of the deeper tissues. A laryngoscopy falls into the "physical exam" category more than the "operative" category. The laryngoscopy report is not an "operative" report like those generated from a surgical procedure.

 2002
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.

 2002
20021208 Reason for No Cancer-Directed Surgery: Could you explain why this field would be coded to 1 [Cancer-directed surgery was not recommended] or 2 [Contraindicated due to other conditions] for a case that presents with distant metastasis at diagnosis?

For cases diagnosed 1998-2002:

Code the Reason for No Cancer-Directed Surgery field to 1 [Cancer-directed surgery was not recommended] for patients who present with either a primary site or histology for which surgery is not a standard treatment. Also use code 1 for those patients who present with distant disease for a primary site that is typically treated surgically. Patients with distant metastasis typically do not have surgery performed as part of first course of treatment.

Code 2 [Contraindicated due to other conditions] is used when surgery would normally be recommended for the site (given the current stage of the tumor) but other medical conditions pose too much of a risk for the patient to undergo surgery.

 2002
20020054

Multiple Primaries (Pre-2007)--Ovary: Are mucinous cystic tumors of low malignant potential diagnosed in the left ovary in 12/2000 and in the right ovary in 7/2001 reportable as two primaries? See discussion.

Page 14 of the SEER Program Code Manual, 3rd Edition, states that bilateral retinoblastomas and bilateral Wilms tumor are always single primaries whether simultaneous or not. Does this apply to bilateral ovarian tumors as well?

For cases diagnosed 2001-2006:

Borderline tumors are not reportable to SEER as of 2001. If you are collecting them in your registry, use the following procedure: Exception 1 in the SEER Program Code Manual, 3rd Edition, responds to the issue of processing ovarian tumors. Simultaneously occurring ovarian tumors with a single histology are coded as one primary. In the case you cite, the right ovary primary occurred 7 months after the left ovary primary. This is not simultaneous, so it would be counted as a second primary.

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
20021012

EOD-Extension--Lymphoma: How do you code stage and EOD for an extranodal lymphoma with bilateral involvement of a paired site? See discussion.

For example, we frequently see cases of lymphoma occurring in bilateral orbits, or both lungs. This issue was discussed at a 1991 SEER meeting with the tentative answer being that lymphoma involving both organs of a paired site will be coded as stage I (e.g., both eyes or both lungs), as this would be contiguous disease. However, an extranodal lymphoma involving tissue of both limbs (e.g., soft tissue of both arms) will be coded as stage IV because this represents wide areas of involvement that have no connection.

For cases diagnosed 1998-2003:

Bilateral involvement of an extralymphatic paired organ is coded as involvement of a single extralymphatic organ or site for lymphomas. The EOD extension code would be at least 11 (Stage IE). Staging lymphomas of any site depends on whether one or more lymph node regions and/or extralymphatic organs are involved, and whether sites on one or both sides of the diaphragm are involved.

 2002
20021036 EOD-Extension--Urinary Tract: Can the rules used to code bladder extension involving the term "no involvement of muscularis/and no mention of subepithelium/submuscosa" be used to code extension for other urinary tract primaries, such as ureter?

For cases diagnosed 1998-2003:

No. The inferred descriptions of noninvasion apply to bladder cases only.

 2002