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20170022 | MP/H Rules/Histology--Brain and CNS: What is the code for an embryonal tumor with multilayered rosettes. WHO shows the code as 9478/3, but this code is not available for use in the United States. |
Assign ICD-O-3 code 9392/3 until code 9478/3 is implemented in 2018. Per our expert neuropathologist, embryonal tumor with multilayered rosettes was previously called ependymoblastoma. |
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20170036 | Grade--Prostate: How are the prostate-related fields completed when documentation in pathology reports only includes one of the new grade groups? See Discussion. |
Our pathologists have starting to use a new prostate cancer grading system that was adopted by WHO in 2016. The new grading scheme correlates with the prior Gleason grading scheme as follows: Grade Group 1 = Gleason score 6 or less Grade Group 2 = Gleason score 3+4=7 Grade Group 3 = Gleason score 4+3 = 7 Grade Group 4 = Gleason score 8 Grade Group 5 = Gleason score 9-10 Our pathologists are no longer dictating the Gleason Primary and Secondary Pattern values nor the Gleason's Score. Reverse correlation from the new grade groups to the required patterns and score are difficult with Grade Groups 2 and 3 needing to be distinguished from one another and Grade Group 5 including two unique scores. The prostate-related fields include: Collaborative Site Specific Factor 7: Gleason's Primary Pattern and Secondary Pattern Values on Needle Core Biopsy/TURP Collaborative Site Specific Factor 8: Gleason's Score On Needle Core Biopsy/TURP Collaborative Site Specific Factor 9: Gleason's Primary Pattern and Secondary Pattern Values on Prostatectomy/Autopsy Collaborative Site Specific Factor 10: Gleason's Score on Prostatectomy/Autopsy |
When all you have is the grade group, you may use the following table to convert the Prostate Grade Groups to the appropriate code for the indicated fields. Grade Group Gleason Score Gleason Pattern SSF7 SSF8 SSF9 SSF10 Grade/diff Grade Group 1 6 or less <=3+3 099 999 099 999 1 Grade Group 2 7 3+4 034 007 034 007 2 Grade Group 3 7 4+3 043 007 043 007 2 Grade Group 4 8 4+4, 3+5, 5+3 999 999 999 999 3 Grade Group 5 9-10 4+5, 5+4, 5+5 099 999 099 999 3 |
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20170008 | MP/H Rules/Histology--Colon: Is the code for invasive adenocarcinoma in a serrated adenoma 8213/3? The NAACCR Guidelines for ICD-O-3 Update Implementation, effective 1/1/14, provides new terms including 8213/0 for sessile serrated adenoma/sessile serrated polyp and 8213/3 for serrated adenocarcinoma. This would cause Site/Type and Histology overrides to be set. Coding 8210/3 would allow the case to be reported without overrides. See Discussion. |
Pathology report 1/13/15, Histology - Transverse colon resection pathology = Invasive moderately differentiated adenocarcinoma. The invasive adenocarcinoma arises in a sessile serrated adenoma. |
Assign 8213/3 to invasive adenocarcinoma arising in a sessile serrated adenoma. The instruction in SINQ 20120089 is still valid. The 2014 ICD-O-3 Update does not change this SINQ answer. |
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20170080 | Reportability/Breast: Is lobular carcinoma in situ (LCIS) reportable? The eighth edition, American Joint Commission on Cancer (AJCC) Cancer Staging Manual does not stage LCIS. |
Yes, LCIS is reportable. Staging does not determine reportability. Follow the reportability requirements of your state and national standard setter. SEER reportability requirements are found in the SEER manual starting on page 5, https://seer.cancer.gov/manuals/2016/SPCSM_2016_maindoc.pdf |
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20170020 | Size of tumor--Breast: Please clarify guideline #7 if the only size you have is from a CORE biopsy specimen and imaging only states nonspecific sizes, like "architectural distortion" or "calcifications" and a core biopsy pathology reports invasive tumor spans 5mm. Do you use the core biopsy size, or use 999 for clinical tumor size? See discussion. |
SEER Program Coding and Staging Manual 2016 states: Record size in specified order using a. The largest measurement of the primary tumor from physical exam, imaging, or other diagnostic procedures before any form of treatment. See Coding Instructions 7-9 below. b. The largest size from all information available within four months of the date of diagnosis, in the absence of disease progression when no treatment is administered. #7 Priority of imaging/radiographic techniques: Information on size from imaging/radiographic techniques can be used to code clinical size when there is no more specific size information from a biopsy or operative (surgical exploration) report. It should be taken as a lower priority, but over a physical exam. |
Do not code size of tumor based on the size of the core biopsy. If the statement "invasive tumor spans 5mm" from the core biopsy report represents the surgeon's assessment of tumor size, use this information to code tumor size when no other information is available. |
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20170040 | MP/H Rules/Histology--Lung: What is the histology code for lung cancer case identified pathologically from a metastatic site that differs from the histology stated by the physician? See Discussion. |
Bronchial washings were negative. Four lymph nodes were biopsied and found to have metastatic poorly differentiated neuroendocrine carcinoma. The treating oncologist calls it small cell carcinoma, extensive stage, and treats patient with carboplatin and VP-16 (etoposide) The MP/H rule says to take path/cyto from a metastatic site if no pathology/cytology available from the primary site. Is the physician's statement and treatment taken into consideration here? |
Code the histology based on the pathology report from the lymph node biopsy for this case. Pathology has higher priority than a physician's statement for assigning histology code. Use text fields to document the physician's statement. |
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20170041 | MP/H Rules/Histology--Thyroid: How should histology be coded for a thyroidectomy final diagnosis of papillary thyroid carcinoma, favor cribriform-morula variant? See Discussion. |
This specific histology (cribriform-morula variant of papillary thyroid carcinoma) is not found in the ICD-O and is not mentioned in the 2007 MP/H Manual. However, per a web search it appears that this is a distinct type of papillary thyroid carcinoma (http://erc.endocrinology-journals.org/content/24/4/R109.full). Example: Right lobectomy shows thyroid epithelial neoplasm, pending consultation. Consultation: Thyroid gland, right lobe: papillary thyroid carcinoma, favor cribriform-morula variant. Consultation Comment: IHC stains argue against medullary carcinoma. The histologic features of growth patterns and cytologic atypia (with rare grooves and pseudoinclusions) and the immunohistochemical profile support a diagnosis of papillary thyroid carcinoma, favoring the cribriform-morula variant. It is important to note that a significant number of patients with this variant of papillary thyroid carcinoma have been associated with familial adenomatous polyposis syndrome. |
Assign code 8260/3 for papillary carcinoma of thyroid. Cribriform-morula variant is not listed in ICD-O-3 for papillary carcinoma. Multiple Primaries/Histology Rule H14 states to code papillary carcinoma of the thyroid to papillary adenocarcinoma, NOS (8260). |
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20170064 | Grade/Histology--Rectum: How should histology and grade be coded for high grade neuroendocrine tumor (NET) (WHO Grade 3) of the rectum? See Discussion. |
Rectal mass biopsy final diagnosis: High grade neuroendocrine tumor (WHO Grade 3). Neither SINQ 20170033 nor 20160023 address coding histology or grade for neuroendocrine tumors that are designated as high grade and/or WHO grade 3. |
Assign histology code 8246/3. Assign grade code 4 based on the description "high grade." A high-grade neuroendocrine "tumor" is actually a neuroendocrine "carcinoma" (NEC) according to WHO Classification of Tumors of the Digestive System. If possible, verify this interpretation with the diagnosing pathologist. Use text fields to document the details of this case. |
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20170081 | Grade/Neuroblastoma: What grade is to be used when pathology states only differentiating retroperitoneal neuroblastoma? |
For cases diagnosed prior to 2018 Assign grade code 2 for "differentiating" retroperitoneal neuroblastoma. The rationale of our expert pathologist advisor is that "it leaves the grade 1 category open (since a "well differentiated neuroblastoma" is actually called ganglioneuroblastoma), and it also avoids putting "differentiating" into what is usually a well differentiated category." Additionally, assign grade code 3 to a poorly differentiated retroperitoneal neuroblastoma and grade code 4 to an undifferentiated retroperitoneal neuroblastoma. For cases diagnosed 2018 and later Follow the instructions for coding grade in SEER*RSA |
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20170051 | Reportability--Liver: Is intraductal papillary mucinous neoplasm (IPMN) of the liver a reportable diagnosis? See Discussion. |
Pathology shows: Right liver lobe, partial hepatectomy " intraductal papillary neoplasm with high grade dysplasia. |
Intraductal papillary mucinous neoplasm (IPMN) of the liver with high grade dysplasia is reportable. While most IPMNs arise from the pancreas, there exists a subset of IPMN of the biliary tract (BT-IPMN). Code as 8453/2. For more details, see the Reportability section of the SEER manual, https://seer.cancer.gov/manuals/2016/SPCSM_2016_maindoc.pdf |
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