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Report Produced: 11/29/2024 07:54 AM

Report Question ID Question Discussion Answer Year
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
20020049 EOD-Extension--Breast: Should clinically mentioned "thickening" of the breast be ignored if the pathology report does not mention thickening or skin involvement? See discussion. For cases diagnosed 1998-2003: Can clinical "thickening" of the breast be coded to 20-28 extension code when there is no mention of the thickening or skin involvement in the pathology report? How do we code cases when pathology reports don't support the clinical finding of skin involvement. For cases diagnosed 1998-2003: Do not use code 20-28 when there is no preoperative treatment and the pathology report does not confirm skin invasion. The clinical diagnosis of skin involvement was not supported by the pathology report. 2002
20031078 EOD-Lymph Nodes--Colon: Are "multiple submucosal lymphoid collections infiltrated with tumor" or "lymphoid areas" coded as lymph node involvement, similar to the way nodules in the pericolic fat are coded? See Description. For an adenocarcinoma in the colon, under the "lymph node" section of the final path diagnosis it states "multiple submucosal lymphoid collections infiltrated with tumor" in addition to "one of two involved lymph nodes." The micro description states "There are multiple small lymphoid areas with tumor. A definite node excised from the mesentery shows...replacement of stroma and an additional very small node shows no tumor."

For cases diagnosed 1998-2003: No, do not code tumor infiltration of lymphoid collections or lymphoid areas as lymph node involvement.

However, code lymph node involvement for this case as 3 [mesenteric, NOS] because a mesenteric node is involved.

Regarding tumor infiltration of lymphoid collections or lymphoid areas from our pathologist consultant: Unless the anatomy of lymph node is evident (sinuses, trabeculae, primary and secondary follicles) these aren't lymph nodes and should not be coded as such. Unless there is evidence to the contrary in the path report, I would suggest that this be considered intramural spread, not lymph node spread.

 2003
20081065 Surgery of Primary Site--Melanoma: Which surgery codes should be used for cases that have a 1 cm margin? See Discussion. For a melanoma case the surgery codes in the 30's are to be used when margins are stated to be less than 1 cm. The codes in the 40's are to be used for cases where the margins are greater than 1 cm. If the margin is exactly 1 cm, assign a surgery code from the 20-36 range. Use a code in the 40's only when the margin is greater than 1 cm. 2008
20081086 Reportability: Is a case reportable if a benign diagnosis is obtained on a resection that follows a positive needle aspiration? See Discussion. Fine needle aspiration of the thyroid diagnosis was "positive for malignant cells, favor medullary carcinoma." Subsequent thyroidectomy was reported as benign. This case is reportable. The cytology is positive. Report as medulary carcinoma of the thyroid. 2008
20021153 Grade, Differentiation--Breast: Is "histological grade" another way of saying "tubule formation" which would result in the following case having a Bloom-Richardson (BR) score of 7 which would be coded to grade 2? See discussion. Final path diagnosis stated: Invasive ductal ca, histological grade 3/3, nuclear grade 2/3, mitotic index-moderate. Yes. Code the Grade, Differentiation field to 2 [Grade 2] for this case. This case has a BR score of 7 which converts to a grade of 2. This pathologist seems to be describing the three parts of the BR system: tubule formation, mitotic activity and nuclear grade. 2002
20031029 Histology (Pre-2007)/Grading--Head & Neck: Can terms that commonly modify histologic types or grades be used if they are only expressed in the microscopic portion of the pathology report? See Description. Final path diagnosis on a biopsy of the base of tongue is squamous carcinoma. The micro portion of the path report states the following: Multiple fragments of abnormal epithelium with a complex growth pattern. Many of the cells are small and poorly differentiated, interspersed with areas of well-differentiated keratinized epithelium. This is consistent with squamous cell carcinoma in situ with areas of invasive carcinoma. Do we code histology to 8070/3 or 8071/3?

For tumors diagnosed prior to 2007:

Yes, code using terms from the microscopic description if there is a definitive statement of a more specific histologic type.

Code the case example as 8070/33 [Squamous cell carcinoma, NOS, poorly differentiated]. The microscopic description adds grade information, but does not make a definitive statement of a more specific histologic type. "Keratinized epithelium" is not the same as keratinizing squamous cell carcinoma (8071/3). The mention of "areas of well-differentiated keratinized epithelium" refers to "normal" tissue within the specimen, in contrast to a type of neoplastic tissue.

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.

 2003
20091011 MP/H Rules/Histology--Breast: What histology is coded for a tumor diagnosed as "intraductal papillary carcinoma (neuroendocrine differentiation)"? See Discussion. Final diagnosis states: Right breast, excisional bx with findings most consistent with intraductal papillary carcinoma (neuroendocrine DCIS). The path micro states: the morphologic features are those of a neuroendrocrine-type tumor & IHC stains confirm neuroendocrine differentiation.

For cases diagnosed 2007 or later, assign code 8503/2 [Intraductal papillary carcinoma] using Breast rule H2. Code the histology from the final diagnosis.

There is no code for neuroendocrine DCIS in ICD-O-3.

 2009
20091009 MP/H Rules/Histology--Kidney: How do you code histology for a renal cell carcinoma when pathologists disagree as to whether or not the tumor is consistent with thyroid-like follicular carcinoma of the kidney? See Discussion. Final diagnosis states 'left radical nephrectomy, renal cell carcinoma.' The CAP Histologic Type is listed as: Unclassified, most consistent with primary thyroid-like follicular carcinoma of the kidney.' Because of the unusual histology it was sent for a consult to a genitourinary pathology specialist. His response was: 'histologic features not typical for any of the known subtypes of renal cell carcinoma and are not consistent with primary thyroid-like follicular carcinoma of the kidney, a distinct renal tumor that we have recently published in the literature.' The tumor was TTF-1 negative, arguing against metastasis from a thyroid primary. For cases diagnosed 2007 or later, assign code 8312 [renal cell carcinoma, NOS]. The diagnosis is renal cell carcinoma, but the specific type is in question. 2009
20100052 Reportability/Primary Site: What is the reportability status and primary site for a papillary carcinoma of thyroid tissue arising in an otherwise benign mature monodermal cystic teratoma (struma ovarii)? See Discussion. Final diagnosis on the pathology report states, "One ovary showing mature monodermal cystic teratoma composed of thyroid tissue (struma ovarii)." The pathology COMMENT section states, "There is a 0.1 cm focus of thyroid tissue within the struma ovarii showing cytologic features of papillary carcinoma. This finding is likely of no clinical consequence."

A papillary carcinoma of thyroid tissue in benign struma ovarii (mature cystic teratoma) is reportable.

These ovarian tumors contain a diversity of tissues including hair, teeth, bone, thyroid, etc. This reportable malignancy arose in thyroid tissue within the ovarian tumor. Code the primary site to ovary. Code to the actual organ in which the cancer arose. This will keep the case in the appropriate category for surgery coding, regional nodes, staging, etc.

2010