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For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Accession a single primary per Rule M2 which indicates you are to abstract a single primary when there is a single histology. Code the histology to 9983/3 [refractory anemia with excess blasts type 2 (RAEB-2)].

Per Appendix F, myelofibrosis, NOS, is NOT a synonym for primary myelofibrosis. Myelofibrosis, NOS, if not specified to be myelofibrosis, therefore, is not reportable.

Per PH29, code the specific histology when the diagnosis is one non-specific (NOS) histology (MDS) and one specific histology (RAEB-2) AND the Multiple Primary Calculator confirms the specific histology and NOS histology are the same primary (which it does).

Myelodysplastic syndrome, NOS is a generic disease description. In most cases, NOS histology is only the provisional diagnosis; the physician will run further diagnostic procedures and look for various clinical presentations to identify a more specific disease. The more specific myelodysplastic syndromes are: refractory anemia; refractory neutropenia; refractory thrombocytopenia; refractory anemia with ring sideroblasts; refractory cytopenia with multilineage dysplasia; refractory anemia with excess blasts; and refractory cytopenia of childhood. If the characteristics of a specific subtype of MDS develop later in the course of the disease, change the histology code to the more specific diagnosis.

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.

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Ambiguous terms are not used to code a specific histology. This includes ambiguous terminology used as a result of immunophenotyping or genetic studies. However, a definitive clinical diagnosis can be used to code a more specific histology.

In this example, the histology is coded to non-Hodgkin lymphoma, NOS [9591/3] because the pathology final diagnosis was non-Hodgkin lymphoma, NOS even though it was followed by further genetic and immunohistochemistry studies that were "compatible with" (ambiguous terminology) follicular lymphoma.

However, if there was a subsequent non-ambiguous clinical diagnosis, the histology would be coded to the more specific diagnosis. For example, if the pathology final diagnosis was non-Hodgkin lymphoma, NOS, and there was a subsequent clinical diagnosis of follicular lymphoma or the patient was treated for follicular lymphoma, then the histology should be coded to 9690/3 [follicular lymphoma, NOS]. Document either of these in a text field to support the histology code chosen. Follicular lymphoma is a specific type of non-Hodgkin lymphoma. If you do have a confirmed diagnosis of follicular lymphoma, code that specific cell type per rule PH29.

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.

For cases diagnosed 2007 or later, code the histology as papillary carcinoma, poorly differentiated [8260/33].

The WHO classification lists grade III papillary carcinoma as one of the synonyms for poorly differentiated thyroid carcinoma.

The steps used to arrive at this decision are:

Open the Multiple Primary and Histology Coding Rules Manual. Choose one of the three formats (i.e., flowchart, matrix or text). Go to the Other Sites Histo rules because site specific rules have not been developed for this primary.

Start with the SINGLE TUMOR: INVASIVE ONLY module, rule H8. The rules are intended to be reviewed in consecutive order within a module. Per rule H13 "phenotype" is not a term used to code a more specific histology. Moving to Rule H14 the histology is coded 8260/3 [papillary adenocarcinoma].

Because the site is specifically stated to "skin" of nipple [C44.5], this case is not reportable.

If possible, you may wish to confirm the type of biopsy performed. If the biopsy was done by FNA or needle biopsy, the biopsy tissue should contain a full-thickness of skin and subcutaneous breast (nipple) tissue. If that is the case, this tumor would likely be a reportable squamous cell carcinoma of nipple [C50.0]. If, however, this was a punch biopsy it is more likely a non-reportable squamous cell carcinoma of the skin [C44.5].

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Use the date of the Discharge Summary as the date of diagnosis. In this case, the date of diagnosis is the date the physician confirmed the diagnosis of myeloma using all information available.

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.

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Code the primary site to the intra-abdominal lymph nodes [C772] per Rule PH20.

Code the primary site to the specific lymph node region when multiple lymph node chains within the same region as defined by the ICD-O-3 are involved. Periportal and peripancreatic nodes are both intra-abdominal region nodes.

Based on the information provided, there is involvement of lymph nodes, the liver, spleen and bone marrow, but no other documentation of the primary site. Given that a primary lymphoma of the liver is very rare; it is unlikely that this lymphoma arose from the liver. Involvement of the liver and spleen is very common for patients with lymphoma. The involvement of the liver, spleen and bone marrow is coded in the CS fields as Stage IV involvement.

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.

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Transformations do not always indicate a multiple primary is to be reported. Always apply the M Rules to determine the number of primaries. Refer to Rules M8-M13 in the Heme Manual address to determine the number of reportable primaries when chronic and acute neoplasms (transformations) are indicated on a case. Do not use the MP Calculator to determine the number of primaries unless the M Rules direct you to use it.

This case should be accessioned as two primaries, chronic lymphocytic leukemia [9823/3] diagnosed in 2000, and diffuse large B-cell lymphoma [9680/3] diagnosed on 04/26/2012 per Rule M10. Abstract a new primary when a neoplasm is originally diagnosed as a chronic (less aggressive) neoplasm (CLL) and there is a second diagnosis of an acute neoplasm (DLBCL) more than 21 days later.

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.

For cases diagnosed 2018 and later

HGSIL of the vulva or vagina is reportable. HGSIL is a synonym for squamous intraepithelial neoplasia, grade III.

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Accession a single primary, multiple myeloma [9732/3] per Rule M2.

The multiple myeloma is in an advanced stage when plasma cells are being deposited on the scalp and thorax. Clinically, those plasma cells are rightly called plasmacytomas by the physician. However, the patient has a late-stage multiple myeloma causing the plasma cells/plasmacytomas. Note that under the myeloma Recurrence and Metastases section of the Heme DB it indicates that extramedullary involvement (e.g., the scalp and thorax involvement) usually indicates advanced disease. Therefore, this scenario represents a case of a single histology that is accessioned as a single primary per Rule M2.

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.