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20041095 | Primary site: How is this field coded for a malignancy described as a "intracranial squamous cell carcinoma (8070) arising in a previous epidermoid cyst"? See Discussion. | 4-5-02 MRI Brain: Enhancing mass is probably a recurrence of the original tumor resected in 1983 (benign). 4-8-02 Gross resection. Lesion was coming up against her brain stem: Removed it grossly. Path: 4-8-02 Brain tumor, left temporal: SCC arising from a previous epidermoid cyst of the brain. XRT began 4-25-02. Path states: "Squamous lesions suspicious for malignant transformation of old epidermal cyst (1983). It has been reported in literature that epidermoid cysts in the brain can undergo a malignant transformation which is what happened in this case." It appears the patient has an intracranial epidermoid cyst that is now giving rise to SCC. Squamous cell carcinoma (8070) of the brain (C71_) fails the edit Primary Site, Morphology-Imposs ICDO3 (SEER IF38). |
Code the primary site to C760 [Ill-defined site; Head, face or neck, NOS]. There is an intracranial malignancy arising from a previously resected epidermoid cyst. Squamous cell carcinoma, primary of the brain, is a non-overridable edit error. | 2004 |
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20041032 | Primary Site--Head & Neck: How is this field coded for a tongue primary described as "located on the lateral" or "left oral" tongue? See Discussion. | Case 1. Patient with squamous cell carcinoma, left oral tongue. Case 2. Squamous cell carcinoma, left lateral tongue. Case 3. Patient status post biopsy of lesion on tongue. Exam: healing left lateral tongue incision with sutures in place in underside of tongue. |
Code Primary Site for cases 1 and 2 above to C023 [Anterior 2/3 of tongue, NOS]. Code lateral tongue without mention of dorsal or ventral surface to C023 [Anterior 2/3 of tongue, NOS].
Code Primary Site for case 3 to C022 [Ventral surface of tongue]. The underside of the tongue is specified as the site of the biopsy in case 3. |
2004 |
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20041094 | CS Extension/Histology (Pre-2007)--Breast: Paget disease with underlying DCIS. How should CS Extension, SEER Summary Stage 2000, histology, and behavior be coded? | 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. For tumors diagnosed prior to 2007:
Based only on the information provided above, 1. The CS extension code is 07 [Paget disease of nipple (without underlying invasive carcinoma pathologically)]. 2. The SS 2000 stage is 1 [Localized]. 3. The histology code is 8543 [Paget disease and intraductal carcinoma of breast]. The behavior code is 3 [Malignant].
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. |
2004 | |
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20041074 | Histology (Pre-2007)--Colon: Is the histology coded as adenocarcinoma arising in a polyp when the final diagnosis on the pathology report is adenocarcinoma but the colonoscopy report associated with the path states that the surgeon performed a polypectomy? See Discussion. | Histology: 3/04 Colonoscopy with polypectomy of a sessile appearing polyp. Path report: Final Dx: Adenocarcinoma; Micro: Adenocarcinoma apparently arising from the mucosa...noted to invade the muscularis mucosa into the submucosa. | For tumors diagnosed prior to 2007
Code this case to adenocarcinoma [8140]. The best source for histology is the final diagnosis on the path report from the procedure that removed the most tumor tissue. When there is a conflict, the path diagnosis has higher priority than the colonoscopy diagnosis for coding histology.
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. |
2004 |
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20041025 | Immunotherapy/Chemotherapy: Are monoclonal antibodies, such as Avastin and Erbitux, coded as immunotherapy or chemotherapy? See Discussion. | In review of the "FDA-approved oncology agents not listed in SEER Book 8" provided in 5/02, it appears "monoclonal antibodies" are coded as immunotherapy. | Code Avastin and Erbitux as chemotherapy because both of these drugs are growth inhibitors. Code growth inhibitors (cytostatic agents) as chemotherapy. Do not assume that monoclonal antibodies are coded as immunotherapy. | 2004 |
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20041076 | CS Extension--Colon: What is the difference between codes 46 [Adherent to other organs or structures, but no microscopic tumor found in adhesion(s)] and 57 [Adherent to other organs or structures, NOS]? See Discussion. | Code 46 reads "Adherent to other organs or sturcture, but no microscopic tumor found in adhesion(s)". Would these examples be coded to 46? Example 1: 7/04 Op findings: mass was adherent to duodenum without obvious invasion. Path: margins negative (no mention of duodenum). Case staged to pT3. Example 2: Op findings: large mass involving cecum adherent to peritoneum & retroperitoneum. Path: invasion of pericolic soft tissue; margins negative (no metion of peritoneum & retroperitoneum). Case staged to pT3. |
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 46: Attached to other organ (on imaging or surgical observation); pathology says no invasion of the other organ. Code 57: Attached to other organ; pathology is positive for invasion of other organ, or pathology does not specify whether there is invasion of the other organ. Example 1: Code extension to 46 [Adherent to other organs or sturcture, but no microscopic tumor found in adhesion(s)]. The tumor was attached to the duodenum, but not invading Example 2: Code extension to 46 [Adherent to other organs or structure, but no microscopic tumor found in adhesion(s)]. The tumor was attached to peritoneum & retroperitoneum, but not invading based on negative margins and no peritoneum or retroperitoneum specimen submitted to pathologist. |
2004 |
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20041053 | CS Site Specific Factor 6--Breast: Can we interpret the in situ component as "minimal" when the pathology report states "1.1 cm infiltrating duct carcinoma and no extensive intraductal component"? | 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. Yes. Based on the information provided above, the in situ component is "mininmal" for the purpose of coding Breast CS Site Specific Factor 6. The phrase "no extensive intraductal component" suggests that there is some intraductal carcinoma present. |
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20041096 | Behavior Code--Breast: How is this field coded for a "non-invasive Paget disease of the breast?" See Discussion. | Historically, SEER collected Paget Disease of the breast with a behavior code of 3 [invasive]. There is no documentation to support this. The SEER EOD Manual only states that if the code is "05" [Pagets disease (without underlying tumor)], the behavior must be a 2 [in situ] or a 3 [invasive]. | Code the behavior as /2 [in situ] for noninvasive Paget disease of breast. Noninvasive is a synonym of in situ. If the pathology report documents that the Paget disease is in situ, the matrix principle in ICD-O allows you to change the behavior code to match the pathologist's statement. |
2004 |
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20041097 | Reportability--Brain and CNS: Is a skull tumor schwannoma an intracranial reportable benign tumor if the physician states it arose in the occipital nerve? |
No. These schwannomas are not intracranial and therefore, are not reportable to SEER. The occipital nerve is not one of the 12 intracranial nerves (i.e., Abducens, Auditory (vestibulocochlear), Facial, Glossopharyngeal, Hypoglossal, Oculomotor, Olfactory, Optic, Spinal Accessory, Trigeminal, Trochlear, and Vagus). |
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20041010 | Multiple Primaries--Lymphoma: How many primaries should we abstract when Single Versus Subsequent Primaries table indicates one primary but special pathological studies indicate two primaries? See Description. | The patient had a malignant lymphoma, large B cell (9680) diagnosed in 2000. In 2003, he came in and had a spleen biopsy which showed follicular lymphoma (9690). These are the same NHL, according to the table lookup. However, the pathologist states in 2003, "Special stains now show a kappa clonal lymphoma. Since the first diagnosis was a lambda monoclonal lymphoma, this is not felt to be a recurrence of the original lymphoma." | For cases diagnosed prior to 1/1/2010:Abstract the example above as two primaries. Hematologic malignancies (including lymphoma) and solid tumors are handled differently when determining the number of primaries. For hematologic malignancies, take the physician's opinion into account. Use the Single Versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table as an aid when there is insufficient information available. For solid tumors, follow the multiple primary rules in the SEER Program Code Manual. 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. |
2004 |