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Report Produced: 10/06/2025 14:33 PM

Report Question ID Question Discussion Answer Year
20061127 CS Lymph Nodes--Esophagus: Is a resected positive "periesophageal nodule" coded as an involved lymph node for an esophagus primary? See Discussion. Per SINQ 20000846: Each gross nodule of metastatic carcinoma in the fat surrounding an organ is counted as one positive regional lymph node. SINQ 2000846 applied to EOD. Can this concept be used for Collaborative Stage?

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 on or after January 1, 2004:

Search for additional information on the "nodule." Review the gross and microscopic descriptions to determine whether or not the nodule is a lymph node. If it is not possible to obtain further information, apply the downstaging rule and select the Extension or LN code that results in the lower category.

 2006
20061126 Histology--Leukemia: How is a "plasmacytoid dendritic cell leukemia/lymphoma" coded when it is discovered on a bone marrow biopsy for a patient who presented with multiple enlarged lymph nodes and the discharge diagnosis was Type 2 plasmacytoid dendritic cell leukemia?

For cases diagnosed prior to 1/1/2010:

The best code currently available for this entity is 9727/3 [precursor cell lymphoblastic leukemia].

The WHO classification refers to this as "Blastic NK-cell lymphoma." The 2005 WHO-EORTC classification for cutaneous lymphomas states that blastic NK-cell lymphoma may be derived from a plasmacytoid dendritic cell precursor. They suggest more appropriate terms for this condition may be "CD4+/CD56+ hematodermic neoplasm," and "early plasmacytoid dendritic cell leukemia/lymphoma." According to WHO, this is a rare form of lymphoma.

Willemze, et al. WHO-EORTC classification for cutaneous lymphomas. Blood, 15 May 2005. Volume 105, Number 10.

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.

 2006
20061125 CS Lymph Nodes: Are positive right superficial inguinal lymph nodes coded to 30 (which is the case for anal canal primaries) or 31 (which is the case for anus primaries) if the primary is stated to be in the "cloacogenic zone" or is an anorectal primary?

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 30 for positive unilateral superficial inguinal lymph nodes for cloacogenic primaries. The cloacogenic zone is part of the anal canal.

 2006
20061124

Reportability: Is a tumor reported as "neoplasm" or "neoplasia" per the pathology report, which is subsequently clinically referred to as "carcinoma" reportable? See Discussion.

Example 1: Lung-Wedge resection and subsequent left lower lobe lobectomy showed papillary epithelial neoplasia. Tumor board and subsequent reports state "nonsmall cell carcinoma of lung."

Example 2: Kidney-Partial nephrectomy showed epithelial neoplasm, clear cells with low grade cytology. Subsequent urology clinic notes state that path revealed clear cell renal carcinoma.

2004 SEER manual states that "cases clinically diagnosed are reportable. If the physician treats a patient for cancer in spite of the negative biopsy, accession the case." Do we also accession the case if primary site has been resected? Would diagnostic confirmation be coded 8 (clinical diagnosis only)?

Accession the case and code Diagnostic Confirmation as 8 [clinical diagnosis only]. Accession a case with negative pathology when the clinician is aware of the negative pathology and continues to refer to the case as malignant.

 2006
20061123 Reportability--Colon: Is a pathologically confirmed "tubulovillous adenoma with high grade dysplasia" reportable if clinical diagnosis at the time of the subsequent re-biopsy states "follow-up for colon polyps with ca in situ"? See Discussion. SINQ 20000245 states that high grade dysplasia is not synonymous with behavior code 2 (in situ). However, the 2004 SEER manual states that "cases clinically diagnosed are reportable. If the physician treats a patient for cancer in spite of the negative biopsy, accession the case." A pathologic diagnosis has priority over a clinical diagnosis. According to the pathologist, this case is not reportable. A re-biopsy is not treatment. 2006
20061122 CS Lymph Nodes--Head & Neck (Parotid): What code is used to represent a positive intraparotid or a periparotid lymph node for a parotid primary? See Discussion.

The CS scheme for parotid places intraparotid lymph nodes under code 10 as well as code 12. Periparotid lymph nodes are included under code 12. Should both intraparotid and periparotid lymph nodes be included under code 10 only?

For head and neck sites, several lymph node groups fall into the "Other groups" category. They are not included in the level I-VII groups. In the coding schemes for most (but not all) of the head and neck sites, the "other groups" category includes intraparotid and periparotid lymph nodes and is coded 12 (or 52).

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 10 for a single positive intraparotid or periparotid lymph node. If multiple nodes are involved, assign the appropriate code from the 20 series.

A recent revision to the CS lymph nodes scheme for parotid places both intraparotid and periparotid lymph nodes under code 10. Please see the August 21, 2006 update to the CS staging manual.

http://www.cancerstaging.org/cstage/cshtml.

 2006
20061120 Surgery of Primary Site--Bladder: Should a TURB be coded to 27 [Excisional biopsy; SEER Note: Code TURB as 27] when there is obvious extravesicular extension demonstrated because the 2004 SEER Manual states "Do not code an excisional biopsy when there is macroscopic residual disease"? Assign code 27 [excisional biopsy]. The site-specific instructions have priority over the general instructions. According to the instructions for coding surgery of the bladder, use code 27 for TURB. 2006
20061119 Reportability--Breast: Is a biopsy proven squamous cell carcinoma of the breast nipple reportable if a subsequent areolar resection shows foreign body granulomatous reaction to suture material and no evidence of residual malignancy in the nipple epidermis? Yes, this case is reportable. The primary site is C500 [nipple]. There was a diagnosis of malignancy on 2/15/06: "Positive for malignancy." Even though no residual malignancy was found in the later specimen, that does not disprove the malignancy diagnosed on 2/15/06. 2006
20061118 Primary Site--Unknown & Ill-defined Site: What is the primary site code for multiple malignant rhabdoid tumors (extra renal) in a newborn infant?

Search for additional information on the location of the primary in this case. A tissue specimen (biopsy) is required for a diagnosis of rhabdoid. Additionaly, there should be scans describing any tumors located in sites other than the biopsy site. If the biopsy site is not assumed to be a metastatic site and is the only location of tumor, code the site of the biopsy as the primary site.

If it is not possible to obtain further information for this case, code the primary site C809 [Unknown primary site].

According to our pathologist consultant, extra-renal rhabdoid tumors have been described in organ sites (liver, GI tract, thyroid, CNS, skin, to name a few) as well as in the soft tissue. Many of the organ site tumors are multiple/multifocal, so multiple tumors in one organ do not necessarily imply metastatic disease and therefore unknown primary site.

 2006
20061117 Histology (Pre-2007)--Melanoma: Is the code 8740/3 [malignant melanoma in a junctional nevus] to be used when the pathologic diagnosis is "malignant melanoma arising in a compound nevus"?

For tumors diagnosed prior to 2007:

Assign code 8720/3 [malignant melanoma, NOS] for malignant melanoma arising in a compound nevus. A compound nevus is not the same as a junctional nevus.

ICD-O-3 does not have a specific code for melanoma in a compound nevus. Assign the code for the type of melanoma specified; for example, NOS, superficial spreading, etc.

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.

 2006