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Report Produced: 09/28/2024 23:21 PM

Report Question ID Question Discussion Answer Year
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
20041094 CS Extension/Histology (Pre-2007)--Breast: Paget disease with underlying DCIS. How should CS Extension, SEER Summary Stage 2000, histology, and behavior be coded?

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 the information provided above,

1. The CS extension code is 07 [Paget disease of nipple (without underlying invasive carcinoma pathologically)].

2. The SS 2000 stage is 1 [Localized].

3. The histology code is 8543 [Paget disease and intraductal carcinoma of breast]. The behavior code is 3 [Malignant].

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
20041093 Reportability: When a biopsy is suspicious for cancer and re-biopsy is negative, is reportability based on the clinician's judgement (cancer vs NED)? If the re-biopsy was done because the first biopsy was inconclusive, do not report this case. If the re-biopsy was more complete, or performed in an attempt to gain a wider margin, this case is reportable based on the first biopsy. 2004
20041092 CS Extension--Bladder: How would the following statements be coded for bladder extension -- Code 03 [inferred description of non-invasion] vs code 15 [invasive confined to subepithelial connective tissue]. See Discussion.

1) no smooth muscle invasion

2) no muscle invasion

3) without muscle invasion

4) no invasion of muscularis propria

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 cases diagnosed in 2004 and later code CS extension:

1) no smooth muscle invasion -- 15

2) no muscle invasion -- 15

3) without muscle invasion -- 15

4) no invasion of muscularis propria -- 03

 2004
20041091 Primary Site/Summary Stage 2000/EOD-Extension--Lymphoma: How are these fields coded when a CT Impression states: Large retroperitoneal/abdominal mass resulting in extra-hepatic biliary obstruction & bilateral urinary tract obstruction & encasement of major vessels most c/w lymphoma? See Discussion.

CT findings state: Very lg sft tiss mass encasing pancreatic head & portion of body, splenic & portal veins, celiac axis, sup mesenteric artery & bilateral renal veins. Two components to this mass: 1) retroperitoneal mass encasing great vessels and 2) peritoneal component 10.8cm size, displaces bowel & other structures & encases vessels.

If the physician stated "this is bulky disease" would that change the EOD?

For tumors diagnosed 1998-2003:

Based on the information provided:

The topography code for this lymphoma is C772 [Intra-abdominal lymph nodes].

Code SEER Summary Stage 2000 to 5 [Regional NOS].

Code EOD Extension to 20. More than one lymph node region below the diaphragm is involved (retroperitoneal and peritoneal). The organs mentioned are not involved by the lymphoma. The bulk of the masses is causing obstruction by displacing and/or encasing organs.

A physician description of "bulky disease" would not change the EOD for this case.

 2004
20041090 CS Extension/CS Mets at Dx--Lung: How are these fields coded for bilateral pleural effusion for a right lung primary? A code of 72 in the CS Extension field leads to a T4, but bilateral pleural effusion is M1. Should CS Mets at Dx be coded 39?

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 bilateral malignant pleural effusion, code the ipsilateral malignant effusion in CS Extension and the contralateral malignant effusion in CS Mets at Dx. Assuming the bilateral pleural effusion is the furthest extension in this case, code CS Extension to 72 [Malignant pleural effusion]. Code CS Mets at Dx to 40 [Distant mets, NOS].

 2004
20041089

Reportablility--Breast: Is lobular neoplasia, grade 2 reportable? See Discussion.

Path report reads: Lobular neoplasia, grade 2.

According to the AFIP nomenclature for DCIS (taken from the WHO terminology), this would be the equivalent of LCIS. But nowhere can I find this specifically applies to lobular in the same way that ductal neoplasia is treated.

According to the editors of ICD-O-3, lobular neoplasia grade 2 is not equivalent to LCIS. It is not a reportable term. Lobular neoplasia and lobular intraepithelial neoplasia are equivalent terms having a three grade system. Only LN/LIN grade 3 would be reportable since those terms are analogous to ductal intraepithelial neoplasia grade 3.

2004
20041088 CS Extension/EOD Extension--Renal Pelvis: Primary site is renal pelvis with direct extension to the rt adrenal gland. What is the correct extension code?

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.

Assign CS Extension code 67 [Adrenal gland from renal pelvis] for adrenal extension from renal pelvis -- T4 and regional direct extension.

 2004
20041087 CS Extension--Head of Pancreas: What code is used to represent extension to the superior mesenteric artery? See Discussion. In the CS coding scheme for Head of Pancreas, superior mesenteric artery is listed under both code 54 (T3) and 60 (T4).

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.

Assign code 60 for a primary in the head of the pancreas extending to the superior mesenteric artery. CS Extension code 54 should be Superior mesenteric VEIN and code 60 should be Superior mesenteric ARTERY. An errata will be issued by CS. In addition, extension 54 indicates resectable disease and code 60 is not resectable.

 2004
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