Surgery of Primary Site/CS Reg LN Exam/Scope Regional LN Surgery--Rectum: How are these fields coded when a patient develops a non-tumor related complication that requires an additional sigmoid resection that removes 2 additional lymph nodes one week following a low anterior resection that removed 4 lymph nodes? See Discussion.
Patient had a low-lying rectal cancer that was biopsied and then treated with radiation and chemo followed by a low anterior resection. Four nodes were removed. There was no residual tumor. The patient returned one week later due to a rectal bleed, thought to be an abscess. During surgical exploration it was found that the anastomosis had broken down and it was decided to do a sigmoid colectomy. Residual disease was not suspected. Two additional nodes were removed.
Surgery of primary site: Assign code 30 [low anterior resection]. Code the most extensive surgery (i.e. the highest surgery code) applicable.
CS Reg LN Exam: Code 04 [four nodes removed].
Scope of regional lymph node surgery: Code 5 [4 or more regional lymph nodes removed].
The sigmoid colectomy was performed for a surgical complication, thus it was not cancer-directed therapy. The regional lymph nodes removed during that procedure were not removed to diagnose cancer or stage the disease, and they were not removed during the initial treatment. Please see SEER manual for instructions for coding Regional Lymph Node Surgery.
Multiple primaries--Lymphoma: Is mediastinal large B-cell lymphoma followed by classical Hodgkin lymphoma reportable as one or two primaries? See Discussion.
Diagnosed 06/06/2006 with mediastinal large B-cell lymphoma, 9679/36. On 05/10/2007, another mediastinal lymph node biopsy done and the diagnosis was recurrent malignant lymphoma, classical Hodgkin's. A Hematopatholgy Consultant states, "it appears likely that the preceding mediastinal diffuse large B-cell lymphoma and the current classical Hodgkin's lymphoma are clonally related and represent different manifestations of the same entity. One might also place this in the spectrum of 'mediastinal gray zone lymphoma' described by Dr. Jaffee and colleagues."
For cases diagnosed prior to 1/1/2010:Report this case as two primaries. Report non-Hodgkin lymphoma followed by Hodgkin lymphoma as separate primaries.
According to the Table of Single and Subsequent Primaries for Hematologic Malignancies, mediastinal large B-cell lymphoma and Hodgkin disease are "D" - Different disease processes.
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.
CS Extension--Lymphoma: When does the coding change take effect that is referred to in SEER edit IF195, that states localized lymphoma in primary sites C024, C090-099, C111, C142, C172, C181, and C379 must be coded to CS extension 10, and cannot be coded to extension 11? See Discussion.
CS version 1.04 does have a new note 1 in the lymphoma scheme that appears this coding change. In the past, we used code 11 with these sites for localized lymphoma and SINQ 20061088 confirms this line of thinking.
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.
This change was made with the release of CS version 01.04.00 on October 31, 2007. The rules went into effect for cases diagnosed January 1, 2008 and later. A note was added to SINQ 20061088 stating that the answer pertains to cases diagnosed prior to January 1, 2008.
Histology--Pancreas: What is the correct code for "non-secretory pancreatic endocrine tumor" with positive lymph nodes on excision indicating a malignant tumor? Pathologist indicated it was not an exocrine tumor.
Code as islet cell carcinoma [8150/3].
There are several cell types in the islets, and each produces a different hormone. The custom has been to name the tumors by their hormone production e.g. insulinoma, glucagonoma, etc. Occasional tumors do not produce any hormone (at least one that can be determined or measured). These tumors are called non-functioning endocrine tumors. Most of the endocrine tumors in the pancreas are islet cell tumors.
Reportability--Brain and CNS: Is hygroma reportable? See Discussion.
Benign brain guidelines indicate that named tumors that have been assigned an ICD-O-3 code are reportable. However, per I&R: "Most cystic hygromas (9173/0) are fetal malformations and occur in patients less than two years old. If this patient was an adult, they are primarily treated with surgery. Hygroma (used in a general sense) is a response to trauma (i.e., subdural hematoma) and as such, is not a "new growth" and would not be reportable either as a cyst or as a neoplasm. Unless the patient had some sort of operation, I'd hesitate to include the case as a reportable benign tumor."
How is the cancer registrar to distinguish between reportable and non-reportable hygromas? Example: Brain MRI showed diffuse cerebral volume loss and incidental bilateral frontal subdural hygromas (histology code 9173/0).
Reference: I&R 14825
Hygromas are not reportable. This instruction will be added to the next revision of the benign brain rules.
According to an expert in the field, hygromas are not neoplastic. Hygromas are cystic dilations of a localized subarachnoid or subdural accumulation of clear fluid related to an excess accumulation of CSF, typically related to an old hemorrhage that somehow prevents reabsorption of CSF.
Multiplicity Counter: Is there a time frame for the Multiplicity Counter or is it related to the duration for counting new tumors (i.e. 5 years for breast, etc) to capture the number of "local recurrences"?
Record the number of tumors counted as a single primary at the time the case is abstracted. Later, if additional tumors are determined to be the same primary, update this field once. Do not update the multiplicity counter more than once.
MP/H Rules/Behavior--Melanoma of Skin: How are histology and behavior coded for a "malignant melanoma in situ with regression"? See Discussion.
Per the microscopic portion of the path report, there is a zone of regression within the confines of the lesion, such that the possibility of antecedent invasive disease at the site cannot be ruled out with certainty.
For cases diagnosed 2007 or later:
Code malignant melanoma in situ with regression to 8720/2 [Melanoma in situ].
Code the histology according to the histologic type specified in the pathology report final diagnosis. Code the behavior as specified in the pathology report. Regression does not affect the coding of histology or behavior. See Melanoma Histology Coding rule H5. See 2007 SEER manual instructions for coding behavior, page 84.
MP/H Rules: Does the presence of metastases affect the application of the MP/H rules? See Discussion.
Single lung tumors presenting in each lung but the patient also presents with bone mets? Would rule M6 apply? Or do the bone mets represent additional tumors?
For cases diagnosed 2007 or later, the MP/H rules do not apply to metastases. Ignore metastases when applying the rules.
For the case above, use rule M6 and abstract as two primaries (right lung and left lung). The bone mets are ignored.
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