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20081141 | MP/H Rules--Lung: How do we interpret 'spiculated opacities?' How many primaries do we abstract for this patient? See Discussion. |
Patient admitted for CT scan of chest. Impression: A small subpleural spiculated opacity is noted in the left upper lobe measuring 9.7x7.7mm. Right upper lobe spiculated nodular opacity measures 13.9x5.9mm. Right lower lobe scattered faint alveolar nodular opacities are noted. The lungs are otherwise clear. Abnormal soft tissue density mass is noted of the right hilum surrounding the distal main right pulmonary artery. Bronchoscopy/mediastinoscopy done: rare malignant cells present consistent with small cell carcinoma, specimen submitted as brushing of right bronchus intermedius. The tumor in the lymph node is metastatic small cell carcinoma. Patient discharged to hospice; died 5 weeks later. Do the MP/H rules pertain only to the measured opacities in each lung and not to the RLL scattered faint alveolar nodular opacities? The right side was cytologically confirmed. But if we abstract the left lung, what is the histology...8041 or 8000? |
For cases diagnosed 2007 or later: Because there was cytologic confirmation of cancer, for this case only count the spiculated opacities as tumors. Abstract as a single primary using Rule M1. Note 2 under lung rule M1 applies to this case. Code the histology as 8041 [small cell carcinoma] per rule H10. |
2008 |
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20081133 | MP/H Rules--Breast: What histology code is used for lobular carcinoma, pleomorphic type? | For cases diagnosed 2007 or later, use rule H14 and code the histology 8520 [lobular carcinoma]. 8520 is the only ICD-O-3 code for lobular carcinoma. There are no codes for specific lobular types. | 2008 | |
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20081120 | MP/H Rules--Sarcoma: How many primaries should be abstracted for chondrosarcoma of right toe in 2002, of right lower leg in 2006 and right tibia in 2007? See Discussion. | A patient had a myxoid chondrosarcoma of the right toe in 2002. This was amputated and staged as T2 - high grade. Patient had a recurrence in the lower right leg in 2006. At this time he had a below knee amputation. The tumor in 2006 was stated to be similar histologically to the 2002 tumor with pathologic comparison done. Then in 2007 the patient presents with pain in right knee and stump. CT says compatible with recurrent disease, but no copies of path sent. Patient then had an above knee amputation, with diagnosis of clinically recurrent chondrosarcoma of tibia. How many primaries should be abstracted? Is 2007 diagnosis a new primary? | For cases diagnosed 2007 or later: Abstract two primaries in this case, 2002 and 2007. The first primary was diagnosed in 2002. The 2006 diagnosis would not be a new primary according to the rules in effect at that time (2004 SEER manual, page 11, rule 5, exception 1). Use the current MP/H rules to compare the 2007 diagnosis to the 2002 diagnosis. Start with rule M3 and stop at rule M10. The 2007 diagnosis is a separate primary. |
2008 |
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20081004 | First course treatment/Histology--Lymphoma: What treatment, if any, is coded for a patient with methotrexate induced lymphoma when the treatment plan is to take the patient off methotrexate? Also, is there a specific histology for drug induced lymphoma? See Discussion. | Diffuse Large B-cell Lymphoma of soft palate & nasal septum, methotrexate induced, in 5/07. Patient was taken off methotrexate with complete resolution of disease. No other treatment was given. Patient was on methotrexate for treatment of rheumatoid arthritis. | For cases diagnosed prior to 1/1/2010:Treatment: Code the treatment fields to 00 [not done] in this case. Document the discontinuation of methotrexate for rheumatoid arthritis in a text field. Histology: Assign code 9680/36 [Malignant lymphoma, large B-cell, diffuse, NOS]. There is no specific histology code for therapy-related lymphoma. 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. |
2008 |
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20081016 | Laterality--Brain and CNS: When a meningioma extends to both right and left sides, is laterality coded 4 for bilateral or 9 for midline? See Discussion. |
Operative Findings: Bilateral frontal craniotomies for excision of giant meningioma which extended onto optic chiasm. Path: Bifrontal tumor, 6.5 cm meningotheliomatous meningioma. |
If it is not possible to determine whether the meningioma originated on the left or the right, assign code 4 [Bilateral involvement, lateral origin unknown; stated to be single primary]. | 2008 |
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20071062 | Primary Site: For malignant gastrointestinal tumors (GISTs), how should the primary site be coded and which Collaborative Stage and TNM staging schemes should be used for disease found in the stomach, small intestine or other locations? | This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Code the primary site to the location where the GIST originated. If the primary site cannot be determined, assign code C809 [Unknown primary site].
GIST of gastrointestinal hollow viscera cannot be staged in TNM. In Collaborative Staging, use the stomach scheme for GIST of the stomach. Use the small intestine scheme for GIST of the small intestine. For GIST of other primary sites, use the CS scheme for the specific site. |
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20071023 | MP/H Rules/Multiple Primaries: When the pathology report from a FNA or other biopsy states an "in situ" carcinoma and the patient waits more than 60 days for a more definitive procedure which documents an "invasive" carcinoma, is this reported as two primaries? | For cases diagnosed 2007 or later: No. When the invasive component is discovered as part of the work-up phase leading to treatment decisions, the case should not be abstracted as a multiple primary. In the rare instance when a patient has not been treated and is still having diagnostic work-up greater than 60 days after the malignancy is diagnosed, do not count the invasive diagnosis as a new primary. |
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20071070 | CS Tumor Size--Melanoma: How is this field coded when a smaller invasive and a larger in situ melanoma are reported as a single primary? See Discussion. | Patient has a 1.2 cm lesion right upper arm with a diagnosis of melanoma in situ. A second lesion on right wrist, 0.5 cm mole, has a diagnosis malignant melanoma, Breslow's 0.78, Clark's level III.
According to the 2007 MP/H rules, this is a single primary. Because the larger lesion is completely in situ, do you ignore it altogether and go with the smaller, invasive lesion? SEER Program Manual 2007, page 127, rule 4.l, states that when two lesions are reported as a single primary, code the size of the larger lesion, which in this case would be the in situ. |
This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Code CS Tumor Size as 005 (0.5 cm). Code CS Tumor Size based on the invasive lesion. Use the data items "Multiplicity Counter" and "Type of Multiple Tumors Reported as One Primary" to document that there are two tumors present, in situ and invasive. |
2007 |
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20071011 | Multiple Primaries (Pre-2007)--Breast: How many primaries are to be abstracted when each of multiple breast "re-excisions" performed more than two months apart in 2006 demonstrate intraductal carcinoma and there is no mention of "recurrence"? See Discussion. | Right Breast 06/27/2002 exc bx, DCIS. Margins involved. 09/24/2002 re-exc, several foci of intraductal ca. Margins involved. 10/15/2002 re-exc, microfocus of DCIS Radiation treatment started 11/18/2002. Is this 1, possibly 2, or maybe 3 breast primaries because of the 2 month rule and no statement of "recurrence"? Based on SINQ #20000478, this would be at least 2, but possible 3 primaries. Based on SINQ #20021143, this would be 1 primary if the case were diagnosed from 1998-2003. The excisions appear to represent wider excisions of the same tumor. |
For cases diagnosed prior to 2013:
For tumors diagnosed prior to 2007, this is one primary, assuming these are wider excisions of the same tumor.
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. |
2007 |
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20071081 | CS Site Specific Factor--Lymphoma: Can the registrar calculate the International Prognostic Index (IPI) score from information found in the H&P or on the back of a TNM form for the SSF 3 field if the physician does not document it in the medical record? | This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Record the IPI score in SSF3 when the score is documented in the medical record. If the score is not stated, do not calculate it. |
2007 |
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