Reportability/Histology: Is a focal high grade squamous intraepithelial lesion (HSIL/moderate to severe dysplasia/VIN II-III) in the vulva reportable for cases diagnosed in 2018? See discussion.
Since high grade squamous intraepithelial lesion (HGSIL) is reportable for the vulva in 2018 (per SINQ 20130185) but VIN II-III is not reportable, we need to clarify this reporting format seen in our area.
Report when stated to be high grade squamous intraepithelial lesion of the vulva. The 2018 SEER Manual says to assign 8077/2. HGSIL is a synonym for squamous intraepithelial neoplasia, grade III for vulva and vagina only.
Reportability/Histology: Is a diagnosis of non-lung neuroendocrine tumorlet reportable? See Discussion.
Patient was diagnosed March 2023 with a neuroendocrine tumorlet of the rectum measuring 0.8 mm via excisional biopsy during colonoscopy.
Prior SINQ 20160011 (stomach specific) indicates microcarcinoid and carcinoid tumors are reportable. Microcarcinoid is a designation for neuroendocrine tumors of the stomach when they are less than 0.5 cm. in size.
Is the current rectal tumor a reportable gastrointestinal neuroendocrine tumor if it is less than 5 mm (i.e., is a neuroendocrine tumorlet equivalent to a microcarcinoid)?
Do not report neuroendocrine tumorlet of lung and non-lung sites. Microcarcinoid and carcinoid tumors are reportable.
Tumorlet is a tumor of neuroendocrine differentiation, defined by size < 5 mm in diameter, mitotic count < 2 mitoses/2 mm², and absence of necrosis. Microcarcinoid is a designation for neuroendocrine tumors when they are less than 0.5 cm. in size. The term "tumorlet" is used in a number of other settings, referring to small tumors (usually < 0.5 cm), and does not necessarily mean carcinoid tumor.
The term microcarcinoid tumor is not equivalent to neuroendocrine tumorlet.
Reportability/Histology: Is a case reportable if the Final Diagnosis in a pathology report indicates a non reportable diagnosis but the Diagnosis Comment on the same report indicates a non reportable diagnosis followed by a reportable diagnosis in parenthesis? See Discussion.
08/13/2007 polypectomy final diagnosis: tubulovillous adenoma with severe epithelial atypia. Dx Comment (on same path) ...atypia including focal cribriform glandular architecture (carcinoma in situ).
This case is reportable as carcinoma in situ. The histology code is 8263/2 [adenocarcinoma in situ in a tubulovillous adenoma].
According to our pathologist consultant, a "comment" in a path report is a part of the diagnosis - it often elaborates on or clarifies the diagnosis. Placing [carcinoma in situ] in the comment, even in parentheses, indicates that is the appropriate diagnosis for our purposes.
Reportability/Histology--Vulva: Is angiomyxoma (8841/1), such as aggressive angiomyxoma of vulva diagnosed in 2022, reportable?
Do not report superficial angiomyxoma (8841/0) or aggressive angiomyxoma (8841/0). WHO Classification of Female Genital Tumors, 5th edition, defines deep (aggressive) angiomyoma as a benign, infiltrative, myxoid spindle cell neoplasm that occurs in deep soft tissue of the pelviperineal region.
Reportability/Histology--Vulva: Is Extramammary Paget neoplasm (intraepithelial glandular neoplasm) reportable? See Discussion.
Patient had a vulvar biopsy with final diagnosis of Extramammary Paget neoplasm (intraepithelial glandular neoplasm). No invasion identified. We are unable to contact the pathologist or physician for clarification.
Although this terminology is not listed in the ICD-O-3, web search results refer to this as a possible synonym for Paget disease with associated VIN III, which is reportable.
According to our subject matter expert, vulvar extramammary Paget neoplasm (intraepithelial glandular neoplasm) represents an in situ malignancy and should be reported.
He states "The traditional terminology should be 'extramammary Paget disease' to describe an in situ adenocarcinoma arising from extramammary glands in vulvar mucosa. I am not so sure about "extramammary Paget NEOPLASM", which may include all three Pagetoid processes: the traditional Paget disease, the Pagetoid spreading of an anal adenocarcinoma and a Pagetoid spreading of an urothelial carcinoma from the urethra. Regardless, all these entities are considered at least in situ carcinomas."
We recommend that you review clinical records and imaging for the clinical scenarios mentioned above.
Reportability/Histology--Vulva/Penis: Are differentiated penile intraepithelial neoplasia (C60._) and differentiated vulvar intraepithelial neoplasia (C51._) reportable for cases diagnosed 2018+? See Discussion.
We previously downloaded the 8/22/2018 ICD-O-3 histology update tables which included the note, not reportable for 2018, for both of these terms (with an updated histology 8071/2). SINQ 20180020 confirms differentiated penile and vulvar intraepithelial neoplasia are NOT reportable for 2018 (as does 20160069). However, when looking at the 8/22/2018 ICD-O-3 histology update table today, the not reportable for 2018 comment has been removed and it appears these two terms are reportable. Which is correct?
Report differentiated vulvar intraepithelial neoplasia and differentiated penile intraepithelial neoplasia (8071/2). The 2018 ICD-O-3 Coding Table errata dated 8/22/2018, lists the summary of changes of 7/20/2018, stating that these were erroneously flagged as not reportable and the flag was changed from not reportable to reportable (N to Y).
Reportability/Histology--Tongue: Is high grade squamous dysplasia of the tongue reportable; and is it the same as carcinoma in situ (CIS), code 8077/2?
High grade squamous dysplasia of the tongue is reportable as of 2021 and later as 8077/2.
Reportability/Histology--Thyroid: Is a diagnosis of “angioinvasive oncocytic thyroid neoplasm with features worrisome for a poorly differentiated oncocytic carcinoma” reportable if the diagnosis comment states, additional immunostains were performed which demonstrate the carcinoma cells are positive for thyroglobulin and negative for calcitonin? See Discussion.
Patient had a right thyroid lobectomy on 12/2022, with initial diagnosis of “thyroid carcinoma pending expert consultation for definitive classification.” The slide review documented in the addendum shows a final diagnosis of “Angioinvasive oncocytic thyroid neoplasm, see comment.” The subsequent comment states, “I would classify this lesion as an angioinvasive oncocytic thyroid neoplasm with features worrisome for a poorly differentiated oncocytic carcinoma.” The comment goes on to state, “Additional immunostains were performed which demonstrate the carcinoma cells are positive for thyroglobulin and negative for calcitonin. The diagnosis remains unchanged.”
Do not report angioinvasive oncocytic thyroid neoplasm with features worrisome for a poorly differentiated oncocytic carcinoma based on the final, unchanged diagnosis. Worrisome is not a reportable ambiguous terminology.
Reportability/Histology--Thyroid: Is a diagnosis of papillary carcinoma, follicular variant, encapsulated/well demarcated, non-invasive reportable? See Discussion.
The final diagnosis for a left thyroid lobectomy was Papillary thyroid microcarcinoma, further stated to be Histologic Type: Papillary carcinoma, follicular variant, encapsulated/well demarcated, non-invasive. The diagnosis comment states there is a small follicular pattern papillary microcarcinoma.
Is the designation of “non-invasive” for this papillary follicular tumor equivalent to a non-reportable diagnosis of Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP), 8349/1? Or should this be accessioned as either a reportable in situ (non-invasive) papillary follicular thyroid carcinoma or a papillary microcarcinoma per the diagnosis comment?
Your case is equivalent to encapsulated follicular variant of papillary thyroid carcinoma, non-invasive (non-invasive EFVPTC) and is not reportable for cases diagnosed in 2021 or later even though it says "carcinoma." That is because the WHO assigned a behavior code of /1 to this entity (8349/1). NIFTP is assigned to the same histology and behavior code.
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