EOD-Lymph Nodes--Testis: In coding lymph node involvement for a testicular primary, should we use code 5 (Size not stated) when there is not a pathologic size of the lymph node provided? See discussion.
Should Note 1 in the testis EOD be changed to "Metastases in lymph nodes are now measured by the size of the lymph node as stated in pathology report"? The SEER EOD-88, 3rd Edition, states that "when size of regional lymph nodes is required, code from the pathology report."
For cases diagnosed 1998-2003:
For testis cases only, "metastasis in lymph nodes" is measured by the size of the lymph node or the lymph node mass. It is acceptable to code the size of this metastasis from a CT scan or other imaging when a pathology specimen is not available for testicular primaries.
EOD-Extension--Mycosis Fungoides: Explain the difference between extension codes 25 [% of body surface not stated, no tumors] and 30 [skin involvement, NOS; extent not stated, no tumors. Localized, NOS]?
For cases diagnosed 1998-2003:
For mycosis fungoides: Use code 25 when skin involvement is present but only a general location/site is mentioned (i.e., face, legs, torso, arms).
Use code 30 when there is skin involvement but there is no mention of location/site.
Primary Site/EOD Fields--Head & Neck: In the absence of an actual resection and a pathologic evaluation of the affected area, would a laryngoscopy or CT scan provide a better assessment of the EOD and the primary site?
For cases diagnosed 1998-2003:
For Primary Site and EOD, CT information has higher priority than laryngoscopy. The CT scan gives a better picture of the involvement of the deeper tissues. A laryngoscopy falls into the "physical exam" category more than the "operative" category. The laryngoscopy report is not an "operative" report like those generated from a surgical procedure.
EOD-Extension--Corpus Uteri: How do you code myometrial involvement described as 1) "to the level of the middle one-third" or 2) "superficial"?
For cases diagnosed 1998-2003:
Evaluate each case carefully.
1. Code the EOD-Extension field to 12 [Myometrium-inner half] because the pathology report indicates involvement of the myometrium "to the level of." However, if you feel that you cannot make that determination with certainty and you cannot ask a pathologist for clarification, then code the EOD-Extension field to 14 [Myometrium, NOS].
2. Code the EOD-Extension field to 12 [Myometrium-inner half] for cases with "superficial" myometrial invasion.
EOD-Extension--Breast: How do we interpret "dermal lymphovascular space invasion" and "dermal lymphovascular invasion" for extension? See discussion.
A breast path report states tumor invades dermal lymphovascular spaces. Also, pathologists sometimes state "dermal lymphovascular invasion". Are both these terms synonymous with dermal lymphatic invasion?
For cases diagnosed 1998-2003:
Dermal lymphovascular invasion and tumor in dermal lymphatics would both be coded as dermal lymphatic invasion.
Multiple Primaries (Pre-2007)--Breast: Patient diagnosed with two lumps in same breast, different quadrants at same time. One was ductal carcinoma, cribriform type; the other was ductal carcinoma. How many primaries do we code? See discussion.
If the breast cancer had been diagnosed in 2000 we would have coded this case as one primary, code to higher ductal ca. For a 2001 or later diagnosis, should this be coded as two primaries?
For cases diagnosed 1998-2003:
Code this case as two primaries if the tumors are separate. Separate tumors have clear (negative) margins. If the tumors are not separate, code as one primary.
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.
EOD-Size of Primary Tumor: Pathologist states that the size of the tumor is difficult to measure but is greater than 3cm but less than 5cm. How would we code the tumor size?
For cases diagnosed 1998-2003:
Code the largest dimension mentioned, since that is the standard rule for coding tumor size. Keep in mind that tumor size is not used in analysis for certain sites such as stomach, colon & rectum, ovary, prostate, and urinary bladder. Tumor size is important for analysis for certain sites such as lung, bone, breast, and kidney.
EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined--Colon: What codes are used to represent these fields when the pathology from a colon cancer resection describes 2/16 positive pericolonic lymph nodes and a "metastatic nodule in the pericolonic fat"?
For cases diagnosed 1998-2003:
Code the Number of Regional Lymph Nodes Positive field to 03 and the Number of Regional Lymph Nodes Examined field to 17. Each grossly detectable nodule in the pericolonic fat is counted as one regional lymph node.
Measured Thickness--Melanoma: Can in situ melanoma cases have "depth of invasion" coded to something other than 999? See discussion.
Biopsy of the left arm: Melanoma, 0.2mm in thickness. The in situ component extends to a peripheral margin.
For cases diagnosed 1998-2003:
Code the Measured Thickness (depth) field to 020 [0.2 mm] for this case.
In situ disease can have a depth of invasion because the surface epithelium can be of varying depths without the melanoma breaking through the basement membrane.
EOD-Size of Primary Tumor--Breast: If the patient has inflammatory carcinoma of the breast, is the tumor size coded as 998 even though we have a tumor size?
For cases diagnosed 1998-2003:
Code the EOD-Size of Primary tumor field to 998 [Diffuse; widespread; 3/4 or more of breast; inflammatory carcinoma] for all inflammatory breast carcinomas.
These cases have a worse prognosis because of the dermal lymphatic invasion. Half of the inflammatory breast carcinomas will have no palpable mass.
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