Report | Question ID | Question | Discussion | Answer | Year |
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20170052 | MP/H Rules/Histology--Bladder: Is urothelial carcinoma, high-grade, predominantly solid type, coded as 8120/3 or 8230/3? See Discussion. |
Urinary bladder: Invasive urothelial carcinoma, high-grade, 4.5cm, predominantly solid type, arising in background of carcinoma in-situ, carcinoma grossly extends into perivesical adipose tissue; lymph-vascular invasion is seen. |
Assign histology code 8120/3, urothelial carcinoma, NOS. Solid type is not a recognized variant of urothelial tumors and likely represents the appearance of the urothelial cells within the tumor and not a specific histologic type. |
2017 |
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20170026 | Multiple Primaries/Histology Rules/Multiple primaries--Kidney, renal pelvis: Are tumors diagnosed more than three years apart multiple primaries according to Rule M7 in a case with metastasis? See Discussion. |
5/27/02 Transurethral resection of bladder tumor (TURBT)--papillary transitional cell carcinoma, +lamina propria, no muscle invasion. All urine cytologies in 2011 and 2012 (only follow up received) show no malignancy. 3/11/15 Lung fine needle aspirate--poorly differentiated carcinoma consistent with urothelial carcinoma. 4/30/15 Renal pelvis biopsy--low grade papillary urothelial carcinoma, no lamina propria invasion, no muscularis propria invasion. |
Rule M7 applies. Abstract the bladder diagnosis and the renal pelvis diagnosis as separate primaries. The lung diagnosis is metastatic. The MP/H rules do not apply to metastatic tumors. |
2017 |
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20170074 | Reportability--Kidney: Is a renal cell neoplasm stated to be multilocular clear cell renal cell neoplasm of low malignant potential a reportable tumor if the physician refers to the tumor as renal cell carcinoma in a follow-up note after surgery? If reportable, how is histology coded? See Discussion. |
The partial nephrectomy final diagnosis is renal cell neoplasm. The College of American Pathologists (CAP) Summary lists histology as: multilocular clear cell neoplasm of low malignant potential. The diagnosis comment adds: This neoplasm currently termed multilocular clear cell renal cell neoplasm of low malignant potential (WHO 2016), was previously termed cystic renal cell carcinoma. |
For now, report the case and code to 8310/3. In the 3rd Ed WHO Tumors of the Urinary System, multilocular clear cell RCC is coded as 8310/3, however the recent 4th Ed WHO Tumors of Urinary System notes this term is obsolete and a synonym for multilocular cystic renal neoplasm of low malignant potential (8316/1) which would be non-reportable. Per WHO 3rd Ed these tumors never recur or metastasize which may be why the behavior code is shown as /1. The standard setters must review this terminology change in relation to reporting the case as it may impact incidence rates. |
2017 |
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20170018 | MPH Rules/Multiple primaries--Melanoma: Does MP/H Rule M7 (diagnosed more than 60 days apart) apply to invasive melanoma cases with margins positive for in situ melanoma, or are these further excision of the original diagnosis and the same primary, even when it appears treatment was complete after the initial excision? See Discussion. |
A dementia patient has been managed for a persistent right cheek skin lesion that has been slow growing for about 5 years. It was biopsied in 12/23/15 revealing a Breslow 0.12 mm lentigo maligna melanoma by an outside provider. A larger resection of the lesion on 2/3/16 demonstrated a Breslow 0.30 mm lentigo maligna melanoma with melanoma in situ present at the margins per the available pathology report. There was no statement in the record that any additional treatment was planned or necessary. Patient healed well from the 2/3/16 procedure but developed a recurrent lesion in May that was biopsied on 5/10/16 by the same outside provider which again reveal lentigo maligna melanoma. 7/5/16 Reexcision at the current facility revealed a Breslow 6.1 mm lentigo maligna melanoma, Clarks level V. This was a cutaneous tumor per the path report and not a subcutaneous nodule. Clinically, the MD called this a , but there was no slide comparison to the previous melanoma. In auditing files for expected (but not received) abstracts due from facilities, we've observed these types of cases not being consistently reported as multiple primaries. |
Rule M7 pertains to separate tumors. Rule M7 does not apply to invasive melanoma cases with margins positive for in situ melanoma. Based on the information provided, it is not clear whether or not the 5/10/16 diagnosis is a separate lesion or the same lesion that was diagnosed earlier. |
2017 |
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20170046 | MP/H Rules/Histology--Brain and CNS: What is the histology code for a patient with a pathology report Final Diagnosis indicating, mucin-rich neuroepithelial neoplasm, favor low-grade? See Discussion. |
The pathologist noted this was a challenging brain neoplasm that did not easily fit into a specific WHO diagnostic classification. Multiple differential diagnoses were given including pilomyxoid astrocytoma, ganglioglioma and dysembryoplastic neuroepithelial tumor (DNET), but there were no definitive features characteristic of any of these tumors. In the Comment section following the Final Diagnosis, it further states: "In summary, the tumor appears to be a difficult to classify non-infiltrating glial/glioneuronal neoplasm without definitive high-grade features." |
Code as 9505/1, Ganglioglioma, NOS. The Multiple Primaries/Histology Rules for Benign and Borderline Intracranial and CNS Tumors Chart 1 lists several histology codes for neuronal and mixed neuronal-glial tumors. Ganglioglioma, formerly Glioneuroma that is now obstolete in ICD-O-3, is the most applicable in this situation. |
2017 |
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20170011 | MP/H Rules/Multiple primaries--Breast: Can we accession two breast primaries when imaging is "suspicious for malignancy" on both breasts but only one biopsy is taken and is histologically confirmed, and assume bilateral complete response to neoadjuvant chemotherapy with bilateral mastectomies negative for residual cancer? See Discussion. |
The patient is diagnosed by bilateral mammograms suspicious for malignancy in both breasts. A biopsy is done on one breast and is positive. The physician states that he will not biopsy the contralateral breast, as the patient has consented to bilateral mastectomy. The patient receives neoadjuvant chemo, follow by bilateral mastectomies. Both breasts are negative for residual cancer, stated as a complete response. Based on "suspicious for malignancy" can we accession two primaries and assume bilateral complete response? |
Accession two breast primaries, one right and one left, rule M7. "Suspicious" is reportable ambiguous terminology. |
2017 |
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20170070 | Primary Site/Histology--Urinary: Is a urethral lesion showing intraductal carcinoma of the prostate reportable? What is the primary site and histology code? See discussion. |
Pathology report diagnosis: Urethral lesion: Intraductal carcinoma of the prostate, see microscopic. Clinical Information: Urethral Lesion/Hematura. Microscopic Description: The biopsy shows dilated ductal structures filled with anaplastic epithelium showing areas of comedo-type necrosis. The tumor cells have enlarged nuclei prominent nucleoli and mitoses are identified. Surrounding benign prostatic tissue is also present. Immunostains show that the tumor cells stain for PSA, PSAP, P504s but are negative for GATA-3. The other components of the PIN 4 stain CK5/14 and P63 stain the basal cells surrounding the tumor confirming the intraductal nature of the process. Intraductal carcinoma should not be confused with high grade PIN as the former is usually associated with high grade invasive tumor. Is this C619 and 8500/2? |
The primary site is prostate, C619, and the histology is intraductal carcinoma, 8500/2. Further workup on this case is likely. If more information is received, review this case and update if needed. |
2017 |
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20170023 | Reportability/Date of Diagnosis--Prostate: Is PI-RADS 5 diagnostic of prostate cancer, and if so, can we use the date of the impression on the scan that states PI-RADS category 5 as the diagnosis date? See Discussion. |
We are seeing more use of PI-RAD categories on scans. The final impression on the scan will be PI-RADS Category 5, with no specific statement of malignancy. The scans include a blanket statement with the definitions of the PI-RADS categories as below. PI-RADS (v2) categories: PI-RADS 1 - Very low (clinically significant cancer is highly unlikely to be present) PI-RADS 2 - Low (clinically significant cancer is unlikely to be present) PI-RADS 3 - Intermediate (the presence of clinically significant cancer is equivocal) PI-RADS 4 - High (clinically significant cancer is likely to be present) PI-RADS 5 - Very high (clinically significant cancer is highly likely to be present) A previous SINQ 20010094 indicates that we cannot use BI-RADS categories for breast cancer diagnosis, and SINQ 20160008 indicates we can use LI-RADS for HCC diagnosis, but those definitions are slightly different. Most often there will be a subsequent biopsy diagnosis of carcinoma, so the question is also in reference to Diagnosis Date. Can we use the date of the scans impression, which states PI-RADS category 5, as the Diagnosis Date? |
Updated answer PI-RADS categories 4 and 5 are reportable, unless there is other information to the contrary. PI-RADS 4: high (clinically significant cancer is likely to be present) PI-RADS 5: very high (clinically significant cancer is highly likely to be present) Use the date of the scan as the date of diagnosis. |
2017 |
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20170055 | First Course of Treatment/Surgery of Primary Site--Corpus uteri: Do you code total hysterectomy or radical hysterectomy when a specimen indicates the uterus, cervix, ovaries, fallopian tubes, and right and left parametrium were resected, but shows no portion of the vagina. See Discussion. |
AFS1-AFS2-frozen section control, endomyometrium; AFS3-frozen section control, subserosal intramural mass; A4-anterior cervix; A5-posterior cervix; A6-anterior cervical endometrial junction; A7-posterior cervical endometrial junction; A8-A10-anterior endomyometrium, including tumor; A11-A13-posterior endomyometrium, including tumor and adjacent mass; A14-random section subserosal mass; A15-left parametrium at margin of resection; A16-right parametrium at margin of resection; A17-A18-left ovary and fallopian tube; A19-A20-right ovary and fallopian tube. The final diagnosis includes Endometrial adenocarcinoma, favor serous carcinoma, with papillary and solid areas. Tumor involves: Cervix present, Right ovary, Left ovary, Right fallopian tube, Left fallopian tube, Right parametrium, Left parametrium. |
Assign code 50 for total hysterectomy. According to Appendix C Surgery Codes for Corpus Uteri of the 2016 SEER Coding and Staging Manual, total hysterectomy is surgery to remove the entire uterus, including the cervix; whereas, radical hysterectomy includes the vagina. |
2017 |
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20170039 | Histology--Heme & Lymphoid Neoplasms: How should histology be coded for final bone marrow diagnosis of myelodysplastic syndrome with excess blasts? See Discussion. |
This terminology is not specifically included in either alternate names list for myelodysplastic syndrome, NOS (9989/3) or refractory anemia with excess blasts (9983/3). Example: Bone Marrow Biopsy, Final Diagnosis: Consistent with involvement by myelodysplastic syndrome with excess blasts-2 (MDS EB-2). |
Assign code 9983/3 refractory anemia with excess blasts. Refractory anemia is a type of myelodyplastic syndrome. We will add this to the Heme & Lymphoid database during the next update. |
2017 |