EOD 2018/Prostate Pathologic Extension--Prostate: Is a pathology report from a prostate biopsy/transurethral resection of the prostate that states "with intraductal spread" extraprostatic/extracapsular extension or localized?
Code as a localized, intracapsular tumor as ductal carcinoma in situ does not invade. Intraductal spread is describing the neoplasm spreading through the acinar/ductal cells in the prostate specimen. It is an in-situ type of spread and not invasive but almost always presents with an invasive tumor.
CS Lymph Nodes/Scope of Regional Lymph Node Surgery--Prostate: When prostate cancer is an incidental finding at cystoprostatectomy for bladder cancer, is the pelvic lymph node dissection coded for the prostate as well as the bladder?
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.
Yes, the pelvic lymph node dissection is coded as regional lymph node surgery for both primaries and the nodes are counted in collaborative staging for both primaries. The examination of the pelvic lymph nodes is relevant to both the bladder and the prostatic primaries.
Histology/Behavior--Brain and CNS: How should Histology and Behavior be coded for a polymorphous low-grade neuroepithelial tumor of the young (PLNTY) arising in the brain?
Update to the Current Manual/SEER*RSA--SEER Site-specific Factor 1: The 2024 SEER Manual and SEER*RSA say that Codes 10-51 are hierarchical; use the highest code that applies (10 is highest, 51 is lowest). Should the guidance say that 51 is highest, 10 is lowest since code 10 is a HPV negative p16 test?
Assign the highest code with 51 as the highest and 10 the lowest when there is more than one test performed with differing results.
The SEER Manual will be updated in the 2025 release. SEER*RSA will be updated in a future release, version 3.3 in 2026, as version 3.2 has been updated for 2025.
Reportability/Histology: Does Cancer Pathology Coding Histology And Registration Terminology (Cancer PathCHART) determine if the histology is reportable or do we have to use the Excel ICD-O-3.2 spreadsheet?
The CPC ICD-O-3 Site Morphology Validation Lists (SMVLs) designate all tumor site-morphology combinations that are either valid or impossible as determined for the sites reviewed by the Cancer PathCHART initiative. These lists provide information on the Validity Status of specific tumor site and morphology combinations, similar to the way the ICD-O-3 SEER Site/Histology Validation List used to. However, the CPC SMVLs do not include information on the reportability of specific tumor site and morphology combinations. For tumor reportability, you will continue to use the Excel ICD-O-3.2 spreadsheets posted to the NAACCR ICD-O-3 Coding Updates website: https://www.naaccr.org/icdo3/, and the most recent SEER Manual and federal, state, local, and other standard setters' reportability requirements.
Reportability--Brain and CNS: Does a neurofibroma actually arise in peripheral nerve roots like a schwannoma even if it is referred to as a "C6-T1 intradural spinal cord tumor" and is therefore not reportable?
Schwannomas and neurofibromas of the peripheral nerves are not reportable. Schwannomas of the nerve root or spinal dura are reportable.
EOD-Extension--Corpus uteri: How should EOD extension be coded when the pathology report shows adenocarcinoma arising in the endometrium with the statement "no invasive carcinoma identified?"
For cases diagnosed 1998-2003: Code endometrial cancer with no invasion to EOD extension code 11 [Confined to endometrium (stroma)]. "No invasion" most likely means no invasion of the myometrium.
Surgery of Primary Site--Melanoma: If the surgical margins are greater than 1 cm for length and width but less than 1 cm for depth, do we code surgery in the 30-33 range?
Yes, assign a surgery code from the 30-33 range when any margin is less than 1 cm. Since tumor thickness is an important prognostic factor for cutaneous melanoma, the deep margin is of particular importance.
Reportability--Thyroid: Is a case with thyroid fine needle aspirate (FNA) cytology with nodule 1 Bethesda category 5 and nodule 2 Bethesda 6, reportable in 2021? Does the Bethesda category 5 or 6 have any bearing on reportability?
In the absence of information to the contrary, thyroid FNAs designated as Bethesda classification category VI are reportable. Thyroid FNAs designated as Bethesda classification category V are not reportable unless there is additional information confirming a reportable diagnosis. For both Bethesda V and VI, NCCN Guidelines recommend total thyroidectomy or lobectomy (depending on tumor size and nodal involvement) for the purposes of definitive diagnosis/treatment, so additional information should be available.
We will add this to the next version of the SEER manual.
In your example, nodule 1 Bethesda V is not reportable. Nodule 2 Bethesda VI is reportable.
Multiple Primaries/Histology (Pre-2007)--Colon: Would one primary be reported when adenocarcinoma arising in a polyp NOS [8210/3] and adenocarcinoma arising in a tubulovillous adenoma [8263/3] were simultaneously diagnosed in the sigmoid colon (first 3-digits of the histology are different)?
For tumors diagnosed prior to 2007:
Code as one primary. Code the Histology field to 8263/3 [Adenocarcinoma in tubulovillous adenoma].
Count as a single primary and code the more specific term when simultaneous lesions are present and one lesion is an "NOS" term and the other is a more specific term. "Polyp" is an NOS term. Adenoma is an associated term, but is more specific (Tubulovillous adenoma is more specific than "polyp").
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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