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| Report | Question ID | Question | Discussion | Answer | Year |
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20021055 | EOD-Extension--Liver: Can we use CT scan descriptions such as "portal vein thrombosis" or "extensive infiltration of the liver" or "diffuse infiltration of the liver" to code extension for liver primaries? See discussion. | 1. Would you code portal vein involvement for a CT scan description of "portal vein thrombosis"?
2. Would you code more than one lobe of the liver as involved for CT scan descriptions of "extensive infiltration of the liver" or "diffuse infiltration of the liver"? |
For cases diagnosed 1998-2003:
1. No. Thrombosis can be caused by non-cancerous conditions.
2. Yes. Code the EOD-Extension field to 65 [Multiple (satellite) nodules in more than one lobe of the liver] when "extensive infiltration" or "diffuse infiltration" is stated. |
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20021178 | Histology (Pre-2007): What code is used to represent the histology "poorly differentiated invasive transitional cell carcinoma with extensive squamous and focal glandular differentiation"? | For tumors diagnosed prior to 2007:
Code the Histology field to 8120/33 [transitional cell carcinoma, NOS, poorly differentiated]. The ICD-O-3 does not have a separate code for transitional cell carcinoma with squamous and/or glandular differentiation.
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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20021199 | Primary Site/Surgery of Primary Site--Lymphoma: What codes are used in these fields when both regional lymph nodes and an extra-nodal site are involved with lymphoma and there is not a clear statement from the clinician as to the primary site? See discussion. |
In our registry, we code the primary site for such cases to the extra-lymphatic site if there is one extra-nodal site involved with disease and the patient does not have disseminated involvement of multiple extra-nodal sites. Is this correct? Example: A patient with a submandibular lymphoma and involved nodes undergoes a salivary gland excision and a modified radical neck dissection yielding 100 nodes. |
For cases diagnosed prior to 1/1/2010:Code the Primary Site to C08.0 [submandibular gland] and use the surgery code schemes that apply to that site (Parotid and Other Unspecified Glands). Physiologically, lymphoma cells in regional lymph nodes do not "back-flow" into the extralymphatic organ to involve it secondarily. As a result, the primary site is usually the extralymphatic organ with regional lymph node involvement. Do not be afraid to code an extralymphatic site as primary when that site and its regional nodes are involved. If the lymph nodes are not regional to the extra-nodal involved site and the primary site cannot be determined, code the primary site to C77.9 [Lymph node, NOS]. For cases diagnosed 2010 forward, 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. |
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20021210 | Date of Diagnosis/Histology (Pre-2007)--Breast: When there is a delay between the clinical diagnosis of a malignancy and the surgical resection of the primary site, can the resection be used to code the date of diagnosis, extension, size of the primary tumor, and histology? See discussion. | For example, mammogram March 28th states "certainly represents malignancy." Nothing else done until November 1st when pt presents w/skin retraction on PE and bone mets. A mastectomy November 6th shows "ductal ca w/dermal lymphatic invasion and tumor measuring 3.5 cm."
How is the date of diagnosis, extension, tumor size & histology coded for this case? |
For tumors diagnosed prior to 2007:
Code the Date of Diagnosis to March. Code the Histology field to 8500/3 [Infiltrating duct carcinoma]. Histology can be upgraded from a clinical histology to a pathological histology anytime.
For cases diagnosed 1998-2003, in coding extension, you need to assess whether there has been progression of disease or not. If progression of disease is verified, do not code extension using the surgical information from November. Code the extension and tumor size based on the mammogram and physical examination at the time of the mammogram, if available.
If no progression of disease is verified, use surgical information to code extension and tumor size.
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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20021002 | Histology (Pre-2007)--Breast: What code is used to represent the histology "ductal carcinoma in situ with comedo necrosis"? See discussion. | SEER distributed breast questions to the Advisory Group made up of pathologists from different SEER regions. One question dealt with the terms comedo type, comedo necrosis and comedocarcinoma. Per the Advisory Group, "Do not code comedo necrosis. These three phrases each represent a different level of diagnosis and can't be compared. "Comedocarcinoma" is an established diagnosis of in situ carcinoma and should be coded as such. "Comedo type" refers to a type of intraductal cancer; whether it is considered to be a true diagnosis is probably still equivocal. "Comedo necrosis" refers to a description of cellular pathological events that occasionally occur within an intraductal tumor of comedo type, which should not be coded at all."
Per the SEER preferred answer: Comedo type = comedocarcinoma. Ignore comedo necrosis. |
For tumors diagnosed prior to 2007:
Code the Histology field to 8500/2 [ductal carcinoma in situ].
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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20020057 | Histology (Pre-2007)--Melanoma: What code is used to represent the histology "radial growth phase: melanoma, superficial spreading type; vertical growth phase: epithelioid type"? See discussion. | Can the "growth phase" be used to code histology? If so, would the histology be epithelioid cell melanoma (8771/3)? | For tumors diagnosed prior to 2007:
Code the Histology field to 8771/3 [epithelioid cell melanoma]. The "growth phase" information in this case describes the horizontal spread and the "invasive" or vertical growth through the layers of skin.
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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20021027 | EOD-Size of Primary Tumor: Should a 2.0 cm ulcerated mass be coded to 020 or 999 for tumor size? See discussion. |
With regard to tumor size, how would SEER interpret "2.0 cm ulcerated mass"? Should this be interpreted as an ulcer, or is it a gross description of the appearance of a mass and therefore acceptable to code tumor size to it? | For cases diagnosed 1998-2003:
If this ulcerated mass is pathologically confirmed to be malignant, code the EOD-Size of Primary Tumor field to 020 [2.0 cm] based on the size of this mass in the absence of a more precise tumor size description. |
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20021023 | EOD-Size of Primary Tumor/EOD-Extension--Breast: How do you code extension when the tumor in the breast is in situ and the regional axillary lymph nodes are positive? See discussion. |
For example, what extension code is used for a 4.5 cm DCIS (no invasive ca found in excisional biopsy or mastectomy specimen) with mets to 01/07 LNs? |
For cases diagnosed 1998-2003: Code the EOD-Size of Primary Tumor field to 045 [4.5 cm]. Document how the size was determined in the EOD-Extension field. Code the EOD-Extension field to 16 [Invasive and in situ components present, size of entire tumor coded in Tumor Size (size of invasive component not stated) AND proportions of in situ and invasive not known]. By virtue of the lymph node metastasis, this must be an invasive breast carcinoma. The size of the invasive component is unknown. |
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20021010 | Histology (Pre-2007): What code is used to represent the histology adenocarcinoma with "areas of" papillary architecture and "foci of" squamous differentiation? Even though "areas of" and "foci" are non-majority terms, should histology be coded to the combination code of adenocarcinoma with mixed subtypes [8255/3]? |
For tumors diagnosed prior to 2007: Code the Histology field to the majority of the tumor, which is 8140/3 [adenocarcinoma, NOS]. The terms "areas of" and "foci of" should be ignored because they are not terms that reflect the majority of the tumor. Therefore, we cannot use rule A on page 2 of Coding Complex Morphologic Diagnoses because this diagnosis does not represent a complex morphology. 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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20021070 | CS Extension/CS Lymph Nodes--Breast: How would you interpret the phrase "axillary lymph node tissue, not clearly a lymph node" or the phrase "satellite nodule of invasive tumor, left axillary lymph node or chest wall tissue"? See discussion. | A lumpectomy with axillary lymph node dissection and removal of nodule in anterior axillary line revealed negative lymph nodes. The nodule specimen was labeled "axillary lymph tissue, not clearly a lymph node". The microscopic description for that specimen stated "Fibroadipose tissue. A fragment of a lymph node is incidentally sampled in block 4 and it is free of tumor". The final path dx stated "Satellite nodule of invasive tumor, left axillary lymph node, or chest wall tissue. Comment: If the tissue is considered chest wall this would be a stage IIIB. If it is considered an intramammary satellite nodule, this is a stage I". The clinician repeated what the comment said, and added "If lymph node mets, this is a stage II." | Code the invasive tumor in the axillary area as a regional lymph node metastasis. According to the AJCC, cancerous nodules in the axillary fat adjacent to the breast, without histologic evidence of residual lymph node tissue, are classified as regional lymph node metastases. | 2002 |
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