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Report Produced: 08/24/2024 23:26 PM

Report Question ID Question Discussion Answer Year
20041086 Histology (Pre-2007)/CS Tumor Size/CS Extension--Colon: How are these fields coded if a 3 cm sessile polyp is snared and removed piecemeal during a colonoscopy and the path microscopic description indicates a polypoid lesion with foci of malignant transformation found associated with bundles of smooth muscles followed by a LAR with no residual invasive tumor but the final path diagnosis is stated to be a M.D. adenocarcinoma? See Discussion.

3/04 colonoscopy 3cm sessile polyp snared & removed piecemeal. Path Micro: Polypoid lesion consists of branching & complex neoplastic glands lined by tall columnar epithelial...These foci of malignant transformation are assoicated with large polygonal epithelial...associated with desmoplastic stromal reaction & neoplastic glands can be found associated with bundles of smooth muscle.

4/04 LAR: focus of residual HG dysplasia: no residual invasive tumor. Final path dx: MD adenocarcinoma. Physician staged: T2 N0 M0.

Histology: 8140 vs 8210

Tumor Size: 030 vs 999 vs 990

Extension: 12 vs 20

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.

For tumors diagnosed prior to 2007:

Based only on information provided:

Histology: 8210 [Adenocarcinoma in a polyp]

Tumor Size: 999 [Unknown]

CS Extension: 20 [Muscularis propria invaded]

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.

 2004
20041050 Surgery of Primary Site--Rectum: How do you code a procedure described as a "transanal resection, debulking of a large rectal mass"? See Discussion. Patient is not a surgical candidate due to "other medical conditions". Colonoscopy done for anemia and rectal bleeding. At the colonoscopy a "Transanal Resection Debulking of large rectal mass" is performed. Two specimens are sent to the lab. The first is labeled "rectal mass" and is a 2.0 cm diameter spherical fragment of tissue. The second is labeled "transanal debulking rectal mass" and is described as multiple, irregular shaped fragments of tan, rubbery tissue measuring 5.0 x 5.0 x 3.0 cm. Final path diagnosis: Debulking of rectal mass: Adenocarcinoma greater than 2 cm in size, resection margins positive for tumor. For cases diagnosed 1998-2002, code Surgery of Primary Site to 20 [Local tumor excision, NOS]. Because the procedure was performed via colonoscopy and apparently did not involve proctectomy, the best choice is a local excision. 2004
20041095 Primary site: How is this field coded for a malignancy described as a "intracranial squamous cell carcinoma (8070) arising in a previous epidermoid cyst"? See Discussion.

4-5-02 MRI Brain: Enhancing mass is probably a recurrence of the original tumor resected in 1983 (benign). 4-8-02 Gross resection. Lesion was coming up against her brain stem: Removed it grossly.

Path: 4-8-02 Brain tumor, left temporal: SCC arising from a previous epidermoid cyst of the brain. XRT began 4-25-02.

Path states: "Squamous lesions suspicious for malignant transformation of old epidermal cyst (1983). It has been reported in literature that epidermoid cysts in the brain can undergo a malignant transformation which is what happened in this case."

It appears the patient has an intracranial epidermoid cyst that is now

giving rise to SCC. Squamous cell carcinoma (8070) of the brain (C71_) fails the edit Primary Site, Morphology-Imposs ICDO3 (SEER IF38).

 Code the primary site to C760 [Ill-defined site; Head, face or neck, NOS]. There is an intracranial malignancy arising from a previously resected epidermoid cyst. Squamous cell carcinoma, primary of the brain, is a non-overridable edit error. 2004
20041033

Histology--Hematopoietic, NOS: When the histology is described in both WHO and FAB terms, which terminology has priority to code this field? See Discussion.

Example: Bone marrow biopsy was reported as: "Markedly hypercellular marrow aspirate with myelodysplastic alterations morphologically consistent with refractory anemia (FAB) or refractory cytopenia with multilineage dysplasia (WHO)."

For cases diagnosed prior to 1/1/2010:Give preference to the WHO terminology when both are used in the final pathology diagnosis. The WHO classification of tumors is the current standard and is recommended by the College of American Pathologists.

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.

 2004
20041012 Multiple Primaries (Pre-2007)--Colon: What is the number of primaries for a case of familial polyposis with at least three separate tumors having invasive adenocarcinoma, one in the rectum? See Discussion. A patient had a total proctocolectomy and was found to have familial polyposis. At least 3 separate tumors were identified with invasive adenocarcinoma, one of which was in the rectum. Is this 2 primaries: C18.9 with 8220/3 and C20.9 with 8140/3 or is this all one primary cancer?

For tumors diagnosed prior to 2007:

Familial polyposis is always a single primary. Code the primary site for the case example above to C199 [colon and rectum].

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.

 2004
20041042 Multiple Primaries (Pre-2007)/Histology (Pre-2007)--Kidney: How many primaries, with what histology(ies) should be coded when nephrectomy pathology specimen shows separate tumors of "renal cell carcinoma [clear cell type]" and "renal cell carcinoma [granular cell type]"?

For tumors diagnosed prior to 2007:

Abstract two primaries. This is an example of two tumors with different histologic types in the same site. The right kidney has two separate tumors.

8310/3 [renal cell carcinoma (clear cell type)]

8320/3 [renal cell carcinoma (granular 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.

 2004
20041080

Behavior Code/CS Extension--Brain and CNS: How are these fields coded when the final diagnosis on pathology indicates that an atypical meningioma invades the brain and the bone flap specimen indicates extensive invasion through the full thickness of the calvarium? See Discussion.

FDx on the path is: A. Rt frontotemporal brain tumor: Atypical meningioma, WHO grade II (out of III). B. Arachnoid tissue: Atypical meningioma with small focus of invasion into superficial brain and focal perivascular spread. C. Bone flap: Atypical meningioma with extensive invasion through full thickness of the calvarium.

Comment: Although this tumor shows a small focus of brain invasion, it should be considered a grade II (out of III) meningioma based on its histologic atypia (cellularity, sheeting of tumor cells and prominent nucleoli), elevated Ki-67 index and low mitotic rate.

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.For tumors diagnosed prior to 2004, the example above is a benign meningioma and not reportable to SEER.

For tumors diagnosed 2004 or later, code the behavior as 1 [Borderline malignancy]. Code CS Extension as 05 [Benign or borderline brain tumors].

According to expert consultant, meningiomas are in the lining cells for the inner table of the skull and as such have an affinity for bone that allows them to penetrate adjacent bone without being "malignant.

 2004
20041044 EOD-Extension--Breast: If the pathology report states "infiltrating duct carcinoma...measuring 7mm in diameter...focal areas of intraductal carcinoma," do we code this field to 14 [Invasive and in situ components present, size of entire tumor coded in Tumor Size and in situ described as minimal] or to 16 [Invasive and in situ components present, size of entire tumor coded in Tumor Size and proportions of in situ and invasive not known]?

For cases diagnosed 1998-2003: If 7mm is the measurement of the infiltrating duct portion of this cancer, assign extension code 13 [Invasive and in situ components present, size of invasive component stated and coded in Tumor Size].

If 7mm is the size of the whole malignancy and the size of the invasive portion cannot be determined, assign extension code 14 [Invasive and in situ components present, size of entire tumor coded in Tumor Size (size of invasive component not stated) and in situ described as minimal (less than 25%)]. "Focal areas of in situ carcinoma" qualifies as minimal.

 2004
20041030 Histology (Pre-2007)--Lung: What is the correct histology code for this case of squamous cell carcinoma with several different variants? See Discussion.

The path report from a left pneumonectomy says: This squamous cell carcinoma had several different variants present including typical non-keratinizing squamous cell, spindled cell squamous cell, clear cell squamous cell and a small cell variant of squamous cell.

I cannot find a combination code that fits; the majority of the tumor is not stated; so do you code the highest specific type mentioned - 8084 - Squamous cell, clear cell type?

For tumors diagnosed prior to 2007:

Assign histology code 8070 [squamous cell carcinoma, NOS]. Squamous cell carcinoma, NOS includes types of squamous cell carcinoma without a specific code. This is a combination squamous tumor that does not have a unique code.

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.

 2004
20041065 Date Therapy Initiated/First-Course of Cancer-Directed Therapy Fields/Summary Stage 2000--Prostate: How do you code these fields for a case that received preventative chemo before a definitive cancer diagnosis? A patient has a "suspicious but not diagnostic" biopsy of the prostate in 09/2002. Doctor said it was not cancer and put the patient on a preventative chemo drug study (GTX-211). The patient returned for a repeat biopsy on 04/2003. Biopsy returned positive for adenocarcinoma. The patient had not been diagnosed when chemo was administered. Can the case be staged using the post-chemo information?

Stage this case the same as all other cases. Use only the information subsequent to the date of diagnosis to code stage and treatment.

The diagnosis date in the example is 04/2003. Do not use information prior to 04/2003 to code stage or treatment. Do not code the preventative chemo as treatment.

 2004