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Report Produced: 10/02/2024 12:24 PM

Report Question ID Question Discussion Answer Year
20081047 Reason no surgery of primary site/First course treatment: If the Reason no Surgery of Primary Site field is coded as 7 (refused), must the other treatment options (radiation, chemo, hormone) also be coded as 7? See Discussion. Coding instruction #5 in the SEER manual states: "Assign code 7 (refused) if the patient refused recommended surgery or made a blanket statement that he/she refused all treatment."

Refused [code 7] means this modality was specifically recommended by the physician and the patient refused. If two treatment alternatives were offered and surgery was refused, code Reason no surgery of primary site 1 [Surgery of the primary site was not performed because it was not part of the planned first-course treatment].

Refusal of surgery does not necessarily mean that all treatment was refused. Coding Surgery of Primary Site as "refused" does not affect the coding of Radiation, Chemotherapy, Hormone Therapy, etc.

 2008
20081046 MP/H Rules--Corpus uteri: How is histology coded for an endometrial tumor described as an "endometrioid adenocarcinoma with prominent squamous metaplasia"?

For cases diagnosed 2007 or later:

Endometrioid adenocarcinoma with squamous metaplasia is coded 8570 [Adenocarcinoma with squamous metaplasia]. This falls under the Histology Coding Rules for Other Sites, rule H17. The code for Endometroid adenocarcinoma is 8380. The code for Adenocarcinoma with squamous metaplasia is 8570. The histology with the numerically higher ICD-O-3 code is Adenocarcinoma with squamous metaplasia -- 8570.

 2008
20081045 MP/H Rules--Melanoma: How is histology coded for a regressing melanoma? See Discussion.

How is histology to be coded for the following tumors?

Example 1: Path showed malignant melanoma Histologic type: superficial spreading. Regression: present.

Example 2: Shave, mid back: malignant melanoma, lentigo melanoma type, level II, regression: present and prominent.

For cases diagnosed 2007-2014:

Apply MP/H Melanoma Histology Coding rule H5 and code the histologic type of the melanoma.

Code example 1 as 8743 [Superficial spreading melanoma].

Code example 2 as 8742 [Lentigo maligna melanoma].

 2008
20081044 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.

 2008
20081043 MPH rules--Rectum: How is the number of primaries to be determined when a treatment plan has been completed, but it is not possible to determine whether there was a disease-free interval between occurrences? See Discussion.

Patient diagnosed with adenocarcinoma of the rectum in March 2006, underwent chemo and radiation therapy as treatment. Patient seen in April 2007 for surveillance colonoscopy. HPI stated patient underwent chemorad with good results. Colonoscopy showed "persistent" disease. Abdominal perineal resection was done in May 2007. Path showed adenocarcinoma of the rectum.

Keeping in mind that we are not to use a clinical statement for determining recurrences, is the April 2007 occurrence counted as a new primary?

For cases diagnosed 2007 or later:

Do not abstract the 2007 events as a new primary. "Persistent disease" indicates there was never a disease free interval.

 2008
20081042 Primary Site/CS Extension--Lymphoma: How are these fields coded for an epidural lymphoma that extends into the bone marrow of the adjacent vertebral body?

For cases diagnosed prior to 1/1/2010:After verifying that the lymphoma originated in the epidural space, code to C729 [nervous system, NOS (epidural)]. This is a rare type of extranodal lymphoma.

Assign CS extension code 80 for lymphoma with bone marrow involvement.

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
20081041 MP/H Rules/Histology--Thyroid: How many primaries are to be reported and what histology is to be coded for an anaplastic/undifferentiated thyroid carcinoma with sarcomatoid transformation likely arising in association with a papillary thyroid carcinoma? Thyroid contains one tumor: 12.5 cm in greatest dimension...almost completely replaces entire thryroid gland.

For cases diagnosed 2007 or later:

This is a single primary using rule M2; a single tumor is always a single primary.

The histology code for this case is 8260/3 [Papillary carcinoma of thyroid]. Begin with Histology Coding rule H8. Stop at rule H17 and code the histology with the numerically higher ICD-O-3 code.

 2008
20081040 Reportability/Histology--Hematopoietic: If a JAK2 positive myeloproliferative disorder is reportable, how should histology be coded?

Please discuss the significance of JAK2 point mutation.

Example: Bone marrow biopsy showed hypercellular marrow with increased megakaryocytes associated with JAK2 point mutation consistent with myeloproliferative syndrome. Path comment: While the morphologic changes would be compatible with a myeloproliferative syndrome, they are not specific for this as similar findings can be seen in reactive conditions. However, a molecular diagnostic test demonstrated a positive JAK2 point mutation which would support the diagnosis of myeloproliferative syndrome. In summary, the combined histologic and molecular diagnostic findings support a myeloproliferative syndrome. The differential diagnosis would be between polycythemia vera and essential thrombocythemia. Subsequent clinical diagnosis: polycythemia vera.

For cases diagnosed prior to 1/1/2010:Follow the instructions in the SEER manual on pages 1-4 to determine reportability.

Code the histology using all information available for the case. If the clinician reviews the case and states a particular histology based on his/her review, code that histology.

The clinician has access to all of the information available for this case. He/she uses his/her expertise to form a clinical diagnosis.

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
20081039 Diagnostic Confirmation/Histology--Hematopoietic: How are these fields coded when the final pathologic diagnosis for a bone marrow biopsy differs from the final clinical diagnosis of a hematopoietic disease? See Discussion.

Frequently, pathology reports describe hematopoietic diseases using ambiguous terms. Flow cytology and cytogenetics may be obtained. It appears that the clinician is the person who pulls all the information together for a diagnosis.

Example: Bone marrow biopsy is most compatible with chronic phase myeloproliferative disease. Path comment: Differential would include CML. Outside hematology report indicates an elevated peripheral WBC, primarily neutrophils. Flow cytometry showed 1.0 % of the white cells are myeloid blasts of abnormal phenotype, additionally finding 7.3 % basophils. Flow reported peripheral blasts at 1.2 % and peripheral basophilia. Cytogenetics report showed abnormality with trisomy of chromosomes 13 and 21. This finding is consistent with a clonal abnormality suggestive of acquired disease. Results were consistent with the absence of the t(9,22)(q34;q11) translocation or fusion product associated with CML. Subsequent clinical impression: Bone marrow evaluation most consistent with CML. Overall features most consistent with CML.

For cases diagnosed prior to 1/1/2010:Code the Diagnostic Confirmation field as 1 [positive histology]. Code the ICD-O-3 morphology based on the clinician's statement.

The code in Diagnostic Confirmation pertains to the best method used to confirm the presence of cancer over the entire course of the disease. Therefore, if a bone marrow report confirms cancer, code 1 [positive histology] in Diagnostic Confirmation.

Code the histology using all of the information available. The clinician has access to all of the information relating to this case. The pathologist had only the bone marrow. Code the histology recorded by the clinician.

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
20081038

Histology/Primary site: What is the correct histology code for sarcomatoid carcinoma of the mandible diagnosed in 2007? See Discussion.

Left mandible resection: Malignant tumor, favor high grade sarcomatoid carcinoma. Please see comment.

Comment: Considering the focal stain with P63 and the consult from Mayo Clinic done on the previous biopsy, the diagnosis of sarcomatoid carcinoma is more likely.

Gross: left mandible resection...sectioning reveals a...mass that has replaced the majority of the mandibular bone and is at the medial, anterior lateral and posterior soft tissue margins and comes to within 2.4 cm of the anterior boney resection margin and 1.9 cm of the smooth articular temporal mandibular joint surface.

The combination of C411 and 8033/3 is impossible (with no override available).

Code the primary site C031 [Mandibular gingiva]. Code the histology 8033 [sarcomatoid carcinoma]. This tumor originated in the mandibular gingiva and invaded the bone (mandible) -- It did not originate in the bone. This type of tumor does not originate in bone.

 2008