Behavior/Reportability--All sites: Would a GIST tumor stated to be "high risk for malignant behavior" be a reportable GIST? See Discussion.
According to our pathologist and oncologist, the terms "malignant" and "benign" do not apply to GIST. Rather, the term "high risk for malignant behavior" is used. This is based on tumor size: greater than 5 cm and mitotic activity: greater than 5 mitoses/50 hpf.
Do not report the case to SEER if it does not satisfy the criteria for reportability. According to the current reportability criteria, malignant GIST (8936/3) is reportable to SEER. GIST coded to 8936/0 or 8936/1 is not reportable. If your pathologist will not indicate "malignant" or "benign," code 8936/1 applies according to ICD-O-3 and, therefore, these are not reportable to SEER.
MP/H Rules/Histology--Breast: How is histology coded for a diagnosis of "metaplastic carcinoma with the sarcomatous component of high grade sarcoma with focal areas of osteoid formation"? See Discussion.
Right breast simple mastectomy, path: 2.5 x 1.5 x 1.5 cm metaplastic carcinoma with; the sarcomatous component is high grade sarcoma with focal areas of osteoid formation. The epithelial component is predominantly grade 2 DCIS.
For cases diagnosed 2007 or later, assign code 8575 [Metaplastic carcinoma, NOS]. Metaplastic carcinomas often include mixtures of epithelial carcinoma with sarcoma, for example.
Rosette-forming glioneuronal tumor of the 4th ventricle is a new WHO entity. There is no current ICD-O-3 code for this. The best code available at this time is 9505/1.
Multiple Primaries--Lymphoma: How many primaries should be reported when a left tonsil biopsy is diagnosed with marginal zone lymphoma (9699) and a cervical lymph node biopsy is diagnosed with marginal zone lymphoma and grade 3 follicular lymphoma (9699 and 9698)?
For cases diagnosed prior to 1/1/2010:
Abstract two primaries: The first is a marginal zone lymphoma of tonsil and the second is a follicular lymphoma of cervical lymph node. According to the Single versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases (the tri-fold chart), marginal zone lymphoma (9699) and follicular lymphoma (9698) are different primaries.
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.
First course treatment--Liver: Is planned therapy second course therapy if it is administered after documented progression of disease? See Discussion.
A patient with hepatocellular carcinoma of the liver is waiting for a planned liver transplant. During the waiting period, a CT showed an increase in the liver nodule. The physician performed a bridging chemoembolization. Later on, the patient received a liver transplant. Is the liver transplant still first course treatment? Is the chemoembolization part of first course therapy? Per the SEER manual, first course therapy ends when the treatment plan is completed.
In this case, neither the chemoembolization nor the liver transplant is part of the first course of therapy. The documented treatment plan was changed after disease progression. Chemoembolization was not part of the original treatment plan. First course therapy ends at this point.
Radiation Therapy: Would tomotherapy, described as targeted IMRT, be coded as external beam?
Code tomotherapy as 1 [Beam radiation].
Tomotherapy is external beam radiation therapy. It is a type of IMRT. Intensity-modulated radiation therapy (IMRT) is an advanced mode of high-precision radiotherapy that utilizes computer-controlled x-ray accelerators to deliver radiation. Tomotherapy is a CT image guided IMRT.
Radiation Sequence with Surgery--Head & Neck: How is this field coded for a tonsil primary diagnosed on 4/16/07 by a regional lymph node FNA when the patient subsequently initiates radiation on 5/8/07 and has a tonsillectomy with neck dissection on 7/30/07?
The best way to handle this situation is to assign code 2 [Radiation before surgery] in Radiation Sequence with Surgery. Code 2 provides the best description of the sequence of events in this case. Radiation was delivered prior to the resection of the primary site.
CS Extension--Pancreas: How do you code this field for a head of pancreas primary with involvement of portal and splenic veins? See Discussion.
The splenic artery/vein is only mentioned in the body and tail scheme; no mention is made of this site in the pancreatic head scheme.
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.Assign CS extension code 54 [major blood vessels]. The portal vein is listed under code 54 for head of pancreas. The splenic vein branches from the portal vein.
Reportability--Kidney: Is the donor or the recipient the reportable patient when a cyst removed from a pre-transplanted kidney is determined to be cancerous? See Discussion.
A patient received a kidney from her son. The son's kidney had a cyst which was removed prior to the transplant and later determined to be renal cell ca. Who do we report, the donor or the recipient?
The renal cell carcinoma should be reported for the donor. The cyst that was determined to be carcinoma was removed before the kidney was transplanted.
First course treatment--Leukemia: How should an allogeneic stem cell transplant for acute myeloid leukemia be coded in the Hematologic Transplant and Endocrine Procedures field? See Discussion.
There is debate as to whether this procedure should be coded as a 12 in order to capture the allogeneic part of the procedure.
Assign code 20 [Stem cell harvest (stem cell transplant) and infusion as first course therapy] for stem cell procedures, even allogeneic procedures.
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