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.
Primary site--Bladder: What is the appropriate subsite for "adjacent to the bladder neck"?
Assign code C679 [Bladder, NOS]. It is not possible to determine the location of the tumor from the description. A tumor that is "adjacent to bladder neck" could be located in the trigone or on the bladder wall (anterior, posterior or lateral).
Update to current manual/Lymphovascular invasion: Are lymphvascular invasion and lymphvascular space invasion on a pathology report the same thing or do they describe different things?
We confirmed with our expert pathologist consultant that lymphovascular invasion and lymphovascular space invasion are synonymous.
Primary site--Heme & Lymphoid Neoplasms: How is the primary site coded when a patient has a lymph node biopsy and peripheral blood that are positive for B-cell chronic lymphocytic leukemia/small lymphocytic lymphoma but refuses a bone marrow biopsy?
Code the primary site to C421 [bone marrow] per Rule PH5. Note 1 for Rule PH5 states CLL always has peripheral blood involvement. If the peripheral blood is positive for CLL/SLL and no bone marrow biopsy is done, code the primary site to C421 [bone marrow].
SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.
Multiple Primaries--Lymphoma: How many primaries are abstracted for a patient with a 1995 periaortic lymph node biopsy showing lymphocytic lymphoma, diffuse small cleaved probable intermediate grade B cell positive, followed by stomach biopsies on 6/18/05 showing diffuse large B cell lymphoma and on 6/24/05 showing malignant lymphoma, tumor cells positive for [CD20] B cell respectively?
For cases diagnosed prior to 1/1/2010:There are two primaries:
Lymphocytic lymphoma, diffuse, intermediate in 1995
Diffuse large B-cell lymphoma in June, 2005
According to the Single versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table, 9673 [Malignant lymphoma, lymphocytic, diffuse, intermediate] and 9680 [Malignant lymphoma, large B-Cell, diffuse] are separate primaries. Again, according to the table, 9680 [Malignant lymphoma, large B-Cell, diffuse] and 9591 [Malignant lymphoma, non-Hodgkin, NOS] are the same primary.
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.
EOD-Extension--Corpus Uteri: How is this field coded for a stage III A endometrial primary with positive pelvic washings, involvement of the omental serosa, and negative lymph nodes?
For cases diagnosed 1998-2003: Code EOD-extension as 85 [Metastasis]. According to our TNM consultant, Omental metastasis is M1, Stage IVB [EOD 85].
Histology: What is the histology code for a soft tissue thigh mass that was diagnosed as Ewing sarcoma/PNET, primitive neuroectodermal tumor?
The histologies stated for this case are Ewing sarcoma (9260) and PNET, primitive neuroectodermal tumor,(9364)*. Use the Other Site Rules, starting with H8. Stop at H17 and assign the higher histology code -- 9364/3 [Peripheral neuroectodermal tumor].
*The term "PNET" is used for two different tumors. One is primitive neuroectodermal tumor (9473) and pertains to brain tumors per ICD-O-3 review. The other is peripheral primitive neuroectodermal tumor (pNET or PPNET 9364) and pertains to bone or soft tissue tumors. This case is stated to be soft tissue and Ewing sarcoma, so it is 9364 rather than 9473.
MP/H Rules/Recurrence: Is a subsequent diagnosis of an in situ tumor (bladder cancers excluded) a "recurrence" if it follows a prior invasive diagnosis of the original primary cancer made 5 years before?
For cases diagnosed 2007 or later, use the 2007 MP/H rules to determine whether or not a subsequent diagnosis (either invasive or in situ) is a new primary or a recurrence. Do not use the statement "recurrence" from the medical record to make this decision.
When evaluating a subsequent diagnosis and the MP/H rules indicate "single primary," the tumor being evaluated is a "recurrence" of the original primary cancer.
MP/H Rules/Multiple Primaries--Bladder/Renal Pelvis: Is a non-invasive papillary transitional cell carcinoma of the bladder diagnosed one year after the occurrence of an invasive papillary transitional cell carcinoma of the renal pelvis reported as one or two primaries?
For cases diagnosed 2007 or later:
This is a single primary with renal pelvis as primary site.
Use the 2007 MP/H rules to determine if the 2007 diagnosis is a new primary. Use the Urinary rules, multiple tumors module. Start with rule M3. Follow the rules down to Rule M8 and stop. This is an example of implantation effect.
Date Multiple Tumors--Prostate: For a prostate biopsy done 10/20/08, both lobes involved with tumor, unknown how many tumors, what would be coded in date of multiple tumors?
In this case, code the date of the biopsy in Date of Multiple Tumors [10202008]. When the number of tumors is unknown, code the date of diagnosis as the Date of Multiple Tumors. This is the date on which it was determined that there were an unknown number of tumors. This instruction will be added to next edition of the MP/H manual.
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