EOD-Size of Primary Tumor--Breast: How would this field be coded, using the revised and expanded breast code, for a lesion described as "1.3 cm infiltrating ductal carcinoma, associated DCIS?"
For cases diagnosed 1998-2003: Code size of primary tumor as 013. The phrasing suggests that the infiltrating ductal carcinoma measures 1.3 cm. DCIS is also present, but no size mentioned.
MP/H Rules/Multiple primaries--Bladder: Is this a single primary or multiple primaries? Transurethral resection of the bladder identifies two bladder tumors. Pathology states one is high grade papillary carcinoma (8130/3) and the other is lymphoepithelioma-like urothelial carcinoma (8082/3). Lymphoepithelioma-like is listed as a urothelial type in Table 1 but rule M6 does not include it in the list of histologies and we are not told to refer to Table 1. M8 refers to Table 1 but does not include multiple bladder tumors (C67_). Specify which rule would apply and why.
Rule M9 applies to this case. Abstract two primaries. M6 does not apply to this case because code 8082 is not one of the applicable histology codes for M6. This situation will be reviewed as we prepare the next version of the rules.
MP/H Rules/Histology--Thyroid: How many primaries are to be reported and what histology is to be coded for an anaplastic/undifferentiated thyroid carcinoma with sarcomatoid transformation likely arising in association with a papillary thyroid carcinoma? Thyroid contains one tumor: 12.5 cm in greatest dimension...almost completely replaces entire thryroid gland.
For cases diagnosed 2007 or later:
This is a single primary using rule M2; a single tumor is always a single primary.
The histology code for this case is 8260/3 [Papillary carcinoma of thyroid]. Begin with Histology Coding rule H8. Stop at rule H17 and code the histology with the numerically higher ICD-O-3 code.
Multiple Primaries--Lymphoma: How many primaries should be abstracted if DLBCL (9680/3) and Mantle Cell Lymphoma (9673/3) occur at the same time in different lymph nodes? How would Sequence be coded if the case is multiple primaries?
For cases diagnosed prior to 1/1/2010:It is important to note for this case that the two different types of NHL occurred in different lymph nodes; one type in one lymph node and the other type in another lymph node.
Use the fold-out table to determine single vs multiple primaries. According to the table, 9673/3 and 9680/3 would be two primaries no matter which of these was "first."
Assign the lower sequence number to the primary with the worse prognosis when two primaries are diagnosed simultaneously. Base the prognosis decision on the primary site, histology, and extent of disease for each of the primaries. If there is no difference in prognosis, the sequence numbers may be assigned in any order.
For cases diagnosed 1/1/10 and later, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.
MP/H rules/Histology--Breast: How many primaries and what histologies are coded for a left breast when a bi-lumpectomy path reveals one tumor with a microscopic focus of mucinous adenocarcinoma and extensive DCIS and a second .9 cm mucinous adenocarcinoma with extensive DCIS, and the subsequent mastectomy reveals foci of residual DCIS and Paget's disease of the nipple?
For cases diagnosed 2007 or later:
There are two primaries. Primary 1: The two tumors described on the pathology report from the lumpectomy are a single primary using rule M13. Primary 2: Disregard the foci of residual DCIS. Paget disease of the nipple is a separate primary using rule M12.
Primary 1: invasive mucinous adenocarcinoma and extensive ductal carcinoma in situ: Code the histology as 8480/3 [mucinous adenocarcinoma] using rule H27.
Primary 2: Paget disease of nipple: Code the histology as 8540/3 [Paget disease] using rule H14.
Histology (Pre-2007)--All Sites: How are "malignant cells" in a cytology or "probably malignancy" in a CT scan coded?
For tumors diagnosed prior to 2007:
Assign code 8001/3 [Tumor cells, malignant] when the only information available is a cytology report stating "malignant cells."
Assign code 8000/3 [Neoplasm, malignant] when then only information available is a CT report stating "probable malignancy."
See ICD-O-3 page 27 for an explanation of "cancer" [8000] and "carcinoma" [8010].
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.
Date of Diagnosis/Ambiguous Terminology--Lung: Would the date of a PET scan that states there is a mass in the lung which is "in the range of malignancy " be coded as the date of diagnosis or would the date of a subsequent bronchoscopy with biopsy be used for diagnosis date because it confirms a malignancy?
The date of diagnosis in this case is the date of the bronchoscopy with biopsy.
"In the range of malignancy" is not one of the ambiguous terms that are reportable. Please see the list of reportable ambiguous terms on page 3 of the 2004 SEER manual. Do not accession cases based on ambiguous terms not found on the reportable list.
Reportability--Head & Neck: What are the correct site and histology codes if a glomus tympanicum tumor of the middle ear is reportable?
Glomus tympanicum tumors of the middle ear are not reportable. The 2005 WHO Classification of Head and Neck Tumors classified these tumors as a borderline [/1] behavior and recorded them in the ICD-O-3 with histology code 8690 [glomus jugulare tumor, NOS].
According to WHO, "the distinction between jugular and tympanic paragangliomas can easily be made in the patient by modern imaging methods ... the jugular neoplasm is identified as arising from the jugular bulb region ... while the tympanic neoplasm is confined to the middle ear." Benign and borderline neoplasms of the middle ear [C301] are not reportable. The middle ear is not a reportable CNS site for benign and borderline tumors.
MP/H Rules--Breast: Is inflammatory breast cancer always one primary per lifetime? Or is a subsequent inflammatory breast cancer a second primary if diagnosed more than five years later?
For cases diagnosed 2007 or later, a diagnosis of inflammatory breast cancer more than five years after a previous diagnosis of inflammatory breast cancer is a separate (new) primary. See rule M5 in the Breast Multiple Primary Rules.
Histology (Pre-2007)--Melanoma: How is histology coded if the final diagnosis is "melanoma" and only in the comment section of the pathology report is there an indication of "Type: Lentigo Maligna. Cell Type: Small Cell"?
For tumors diagnosed prior to 2007:
Code the histology as 8742 [lentigo maligna melanoma]. Code the specific histologic type, even if stated only in the comment section.
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.
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