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MP/H Rules/Histology--Brain and CNS: What is the histology code for a tumor originating in the cerebellum and extending into the fourth venrticle described as a glioblastoma with primitive neuroectodermal tumor component (WHO Grade IV)?
Nov 21 2016
MP/H Rules/Histology--Breast: How should histology be coded for a breast primary with resection final diagnosis of "Ductal carcinoma with neuroendocrine features?" See Discussion.
Nov 10 2016
SEER Summary Stage 2000--Melanoma: Can Clark's level classification still used to Summary Stage melanoma? It was previously used by AJCC TNM, but was not included in the 7th edition. I see it is still listed in the CAP protocols for melanoma.
Nov 01 2016
Primary site/MP/H Rules/Histology: What is the appropriate site and histology code for a tumor described as a "Large mass In suprasellar cistern encroaching into sphenoid & ethmoid sinuses", with the pathology described as "INI-1 deficient sinonasal undifferentiated carcinoma"? Of note, this patient has a history of a pituitary adenoma, resected overseas a few months prior to this diagnosis.
Oct 31 2016
Reportability/MP/H Rules/Histology: Do we interpret Endometrial stromal sarcoma / Undifferentiated stromal sarcoma as low grade / high grade still in order to code the correct histology?
And for VIN, if a pathology report comes across as undifferentiated VIN, do we report it as VIN 3, even if that terminology isn't there?
Oct 24 2016
Reportability--Brain and CNS: Are sphenoid wing meningiomas reportable? See discussion.
Oct 18 2016
MP/H Rules/Histology--Skin: What histology code and MP/H Rule apply to a skin primary with the final diagnosis,
Basaloid carcinoma with squamous and neuroendocrine differentiation? See Discussion. Final
Oct 18 2016
MP/H Rules/Histology--Breast: What histology code and MP/H Rule applies to the Histologic Type of "invasive ductal carcinoma with metaplastic stroma" for a single breast tumor? See Discussion.
Oct 11 2016
MP/H Rules/Histology--Lung: What histology code and MP/H Rule applies to the Histologic Type described as adenocarcinoma, mixed invasive mucinous and non-mucinous which involves multiple lung tumors present in a single lobe? See Discussion.
Oct 07 2016
Behavior--Prostate: What is the correct behavior of intraductal carcinoma from a prostate biopsy with a Gleason score 4+4=8. While highly aggressive, but not suggestive of invasion, coding behavior as /2 seems inappropriate.
Sep 28 2016