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Report Produced: 07/01/2025 08:30 AM

Report Question ID Question Discussion Answer Year
20021039 Grade, Differentiation--Breast: How do we code grade for a breast primary diagnosis of "Low grade invasive duct, modified Bloom-Richardson grade II/III (tubule formation 2, nuclear grade 1, mitotic rate 1)"? This appears to add up to a Bloom-Richardson score of 4, which does not fit with a Bloom-Richardson II/III.

Code the Grade, Differentiation field to 1 [grade I] using the information from the BR score.

For cases diagnosed 1998-2003: Grade or differentiation information from breast pathology reports is used in the following priority order:

1. Terminology (well, moderately, poorly)

2. Histologic grade (grade I, grade II)

3. BR scores

4. BR grade

5. Nuclear grade

On the hierarchical list for coding breast grade, the first two priorities do not apply to this case, but the third (Bloom-Richardson scores) does. Add the BR information (2+1+1) for a total score of 4, which translates to BR low grade (code 1). The statement of "II/III" may be a typo that should state I/III.

 2002
20000465 Grade, Differentiation--Lymphoma: What code is used to represent this field when the only grade/differentiation given is "low grade", "intermediate grade" or "high grade"?

Code the Grade, Differentiation field to 9 [cell type not determined, not stated or not applicable]. For lymphomas, do not code the descriptions "high grade," "low grade," and "intermediate grade" in the Grade, Differentiation field. These terms refer to categories in the Working Formulation and not to histologic grade for lymphoma histologies.

Generally, for histologies other than Non-Hodgkin lymphoma, the Grade, Differentiation field is coded to 2 [low grade], 3 [intermediate grade] and 4 [high grade] for most cancers.

 2000
20000487 Primary Site--Kaposi Sarcoma: Would the following Kaposi primaries be examples of cases not coded to skin for primary site? See discussion.

1. KS developed initially as a lesion in the oral cavity and followed by the appearance of skin lesions.

2. KS found in a resected parotid gland with metastasis to the parotid gland lymph node. No skin lesions identified.

3. KS discovered in a biopsied 3 cm axillary lymph node. Clinically, the patient had hepatosplenomegaly, ascites, and extensive mesenteric lymph nodes. (No mention of skin.)

Code the Primary Site field as follows:

1. C44.9 [Skin, NOS] as the default value when lesions develop simultaneously in skin and non-skin areas.

2. C07.9 [Parotid gland]

3. C44.9 [Skin, NOS] as the default value when there is no mention of lesions in the skin or other primary site.

Edward Klatt states in Practical AIDS Pathology, "...Visceral Kaposi (involving one or more internal organ sites) is also present in three-fourths of cases, but may not be diagnosed prior to autopsy. Visceral involvement frequently includes the lung, lymph nodes and gastro-intestinal tract."

 2000
20000280 Primary Site--Breast: Is there a hierarchy for coding subsite for breast cases when there is conflicting information in the physical exam, mammogram, operative and pathology reports as to the exact location of the primary? See discussion.

Example: Two mammograms were performed. One report indicates the lesion is at 12:00 and the other indicates it is in the upper central quadrant. However, the pathology report from the modified radical mastectomy specimen indicates the mass is in the UIQ.

According to one of our physicians, when a pathologist has a mastectomy specimen with attached axillary contents, the location of the lesion (subsite) is very accurate.

Code the Primary Site field to C50.2 [upper inner quadrant]. In general, the priority for using information is pathologic, operative, and clinical findings. The pathology report would take precedence in this case.

The 2004 SEER Program Code manual will include the following instructions for determining breast subsite.

Priority Order for Coding Subsites

Use the information from reports in the following priority order to code a subsite when the medical record contains conflicting information:

1 Pathology report

2 Operative report

3 Physical examination

4 Mammogram, ultrasound

If the pathology proves invasive tumor in one subsite and insitu tumor in all other involved subsites, code to the subsite involved with invasive tumor.

 2000
20021154

Primary Site: What code is used to represent the primary site for a "teratocarcinoma with features of embryonal carcinoma" removed from the thigh muscle in a patient with x-ray negative testicles? See discussion.

The case was reviewed by AFIP and called "extratesticular." Per our pathology consultant, the site should be coded to unknown because it is very doubtful that the tumor was primary in the soft tissue of the thigh. According to him, such tumors don't originate exclusively in the testes, but tend to occur along the central axis such as the mediastinum or retroperitoneum. If an extratesticular tumor arises in either of these areas, the primary site should be code to the mediastinum or the peritoneum rather than to unknown. Lesions primary in the testicle may also undergo maturation with fibrosis and involution. This process often leaves little evidence of the original tumor in the testis.

Code the Primary Site field to C809 [unknown] for this case. The thigh tumor is a metastatic site.

 2002
20021119 Radiation--Choroid: How do you code treatment involving a "radioactive iodine plaque" for choroidal melanomas?

Code the Radiation field to 2 [Radioactive implants]. Codes for radiation are based on HOW the radiation is delivered, rather than the particular type of radioactive material used.

Radioactive eye-plaques contain rice-sized iodine-125 or palladium-103 seeds which emit low energy photons. They are sewn or glued into the eye. The plaque remains for 5 to 7 days and is then removed.

 2002
20130191 Systemic/Surgery Sequence--Bladder: How is the systemic treatment/surgery sequence field coded for a 2013 case if the patient has a TURBT followed by multi-agent chemotherapy, and then a cystoprostatectomy followed by post-operative multi-agent chemotherapy? For cases diagnosed in 2012 and later, code 7 (surgery both before and after systemic therapy) seems like the most appropriate answer. However, previous SINQ entries 20091055 and 20071102 have conflicting answers regarding surgery before and after systemic therapy. Do these SINQ entries apply to a 2013 diagnosis? Would the systemic treatment/surgery sequence be coded 7 because this patient had surgery then chemotherapy followed by more surgery? Should the post-operative systemic treatment be ignored in coding the sequence in this case?

Code the Systemic/Surgery Sequence to 7 [surgery both before and after systemic therapy] for this case.

The answers to SINQ 20091055 and 20071102 do not apply to a case diagnosed in 2013. These answers were posted prior to code 7 becoming effective in 2012.

2013
20041096 Behavior Code--Breast: How is this field coded for a "non-invasive Paget disease of the breast?" See Discussion. Historically, SEER collected Paget Disease of the breast with a behavior code of 3 [invasive]. There is no documentation to support this. The SEER EOD Manual only states that if the code is "05" [Pagets disease (without underlying tumor)], the behavior must be a 2 [in situ] or a 3 [invasive].

Code the behavior as /2 [in situ] for noninvasive Paget disease of breast. Noninvasive is a synonym of in situ.

If the pathology report documents that the Paget disease is in situ, the matrix principle in ICD-O allows you to change the behavior code to match the pathologist's statement.

 2004
20061032 Behavior--Head & Neck: Should the SEER IF_Morph_3 edit be modified because it does not allow a behavior code 2 with histology 8941 [carcinoma in a pleomorphic adenoma] for a parotid primary?

Code the behavior as 2 and over-ride the edit. The edit is there to flag unusual combinations. Once you have verified that the behavior is coded correctly, over-ride the edit.

The surgeon stage of T2 is based on size of tumor, the TIS is based on behavior. Code according to pathologically confirmed TIS.

 2006
20100036 Behavior--Lung: Can an in situ behavior code be used for a bronchioalveolar carcinoma of the lung when the pathologist appears to use the term bronchioalveolar to describe an in situ pattern of growth exhibited by an adenocarcinoma? Is the use of the term "pattern" in this situation indicative of in situ tumor? See Discussion.

In ICD-O-3, bronchioloalveolar adenocarcinoma is described only by behavior code 3 (invasive). Would the behavior be coded as in situ for the following cases?

Example 1: Left lower lobe, partial resection shows bronchioloalveolar carcinoma with focal areas of fibrosis (see comment). Comment: Although the possibility that these areas represent stromal invasion can not be excluded, we favor the interpretation that these areas do not represent true invasion. Synoptic summary: Minimal pathologic stage: Local Extent.

Example 2: Lung tumor described as adenocarcinoma, predominantly bronchoalveolar pattern. For most sites, the term pattern is used only for in situ cancer and is not a specific term used for invasive tumors. Is the use of the term "pattern" in this situation indicative of in situ tumor?

Code the behavior indicated in the pathology report. If the pathologist states the bronchioloalveolar carcinoma is in situ, apply the ICD-O-3 matrix rule and assign 8250/2. Otherwise, code 8250/3. Do not use the term "pattern" to infer in situ behavior.

Code behavior /3 for both examples based on information provided.

2010