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Urine cytology positive for malignancy is reportable. Code the primary site to C689 in the absence of any other information.

However, if a subsequent biopsy of a urinary site is negative, do not report the case.

For 2013 diagnoses and forward, report these cases when they are encountered. Do not implement new/additional casefinding methods to capture these cases.

As always, do not report cytology cases with ambiguous terminology.

Epithelioid angiomyolipoma (AML) [8860/0] of the kidney is not reportable unless stated to be malignant.

If the pathologist confirms this is a malignancy, apply ICD-O-3 Rule F (Matrix principle) and assign the behavior code /3. If confirmation is received, accession the case using the morphology code 8860/3 [malignant angiomyolipoma].

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

Apply rule PH22 to code the primary site to C779 [lymph nodes, NOS].

While the pathology does not indicate that this particular case represents a B-cell lymphoma, unclassifiable with features intermediate between DLBCL and Burkitt variant, in the Abstractor Notes section of the Heme DB for diffuse large B-cell lymphoma it does indicate that its presentation, "may have lesions in ileocecal region or jaws. Bone marrow and peripheral blood may be involved. Patients present with lymphadenopathy or mass lesions in extranodal site." This patient does have involvement of two extranodal sites and involvement of regional lymph nodes for only one of those sites.

PH22 indicates one is to code the primary site to C77.9 [lymph nodes, NOS] when lymphoma is present in multiple organs and lymph nodes that are not regional for that organ and the origin cannot be determined even after consulting the physician. There are two extranodal sites of involvement and only one chain of lymph nodes is regional to one of those sites so this rule applies.

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.

This is a single primary, essential thrombocythemia [9962/3] diagnosed in 2007. The 2010 Heme DB and Manual should not have been used to determine the number of primaries in this case. The Heme DB applies only to cases diagnosed 2010 and later.

In order to determine the number of primaries, use the rules in place at the time of the subsequent 2009 diagnosis of primary myelofibrosis. Per the Single Versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table, a diagnosis of essential thrombocythemia [9962/3] followed by a diagnosis of primary myelofibrosis [9961/3] is a single primary.

For cases diagnosed 2007 or later, code the primary site to ovary [C56.9] and the histology to papillary carcinoma, follicular variant [8340/3].

The steps used to arrive at this decision are:

Refer to the 2012 SEER Manual for help to determine the primary site. This neoplasm is arising in a teratoma of the ovary. Per the 2012 SEER Manual, in this case the site is coded to ovary [56.9] because that is where the tumor originated. Although the teratoma contains thyroid tissue, it arose in the ovary. Teratomas are unusual in that they contain all three germ cell layers from which an embryo forms. It is not unusual to have malignancies that are usually primary to the thyroid, liver, brain, lung, etc., originate in a teratoma.

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 Histology 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. Code the histology as papillary carcinoma, follicular variant [8340/3].

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

This case is accessioned as a single primary. Code the histology to 9680/3 [diffuse large B-cell lymphoma] and diagnosis date to 2004. Per Rule M2, abstract as a single primary when there is a single histology.

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.

Accession a single primary, the original ovarian serous carcinoma. The MP/H Rules do not apply to metastases.

Metastases: When cancer cells appear in other nodes or organs that are not the primary site they are metastatic cells. Discontinuous (separate from the primary tumor) masses or cells in regional lymph nodes, distant lymph nodes, or distant sites are always metastases. In this case, the sacral and pelvic masses are distant metastases. The pathologist does not have to compare cells to the original tumor slides; the discontinuous tumor mass/cells in any site other than the primary site are metastases.

Recurrence: For a disease to recur there are several criteria that must be met. First and most important, the patient must have had a disease-free interval (a tumor cannot recur if it has always been present). The other criteria are: the "new tumor" has to occur in the original primary site, it must be the same histology as the original tumor, AND must meet the timing requirements in the MPH rules for that organ/site.

This is a reportable case. Code the histology as malignant gastrinoma [8153/3].

Gastrinomas are usually malignant. This one is apparently present in a metastatic site (periportal lymph node) which confirms the malignancy.

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

Code the histology to 9680/3 [diffuse large B-cell lymphoma (DLBCL)].

For CLL (and CLL/SLL), Richter's transformation represents when CLL changes into DLBCL. In this case, there was a biopsy that demonstrated a diagnosis of the chronic disease (CLL/SLL) transforming (Richter's transformation) into an acute disease DLBCL.

Per Rule M8, one is instructed to abstract the acute neoplasm as a single primary when both a chronic (CLL/SLL) and an acute neoplasm (diffuse large B-cell lymphoma (DLBCL)) are diagnosed simultaneously there is documentation of only one positive bone marrow biopsy, lymph node biopsy or tissue biopsy.

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.