Histology--Heme & Lymphoid Neoplasms: How is histology coded for a pathologic diagnosis of "B-cell lymphoma, unclassifiable, with features intermediate between DLBCL and Burkitt lymphoma" that was clinically referred to as a "double hit lymphoma"?
Code histology to 9680/3 [diffuse large B-cell lymphoma (DLBCL)]. Per the Alternate Names section in the Heme DB, B-cell lymphoma, unclassifiable, with features intermediate between diffuse large B-cell lymphoma and Burkitt lymphoma is one of the synonyms for for DLBCL.
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.
Reportability/Histology--Pituitary Gland: How are Rathke cleft cyst and Rathke pouch tumor distinguished and are they both reportable?
Rathke cleft cyst is not reportable. Cysts are not neoplastic. However, Rathke pouch tumor (C751, 9350/1) is a reportable neoplasm for cases diagnosed 2004 and later. The Rathke pouch is coded to the pituitary gland. Benign and borderline pituitary tumors have been reportable since 2004.
Primary Site--Breast: What subsite is to be coded for a case of invasive Paget disease of the nipple with an infiltrating ductal carcinoma of the lower inner quadrant?
Code C50.9 [Breast, NOS]. Code the last digit of the primary site to '9' for single primaries when multiple tumors arise in different subsites of the same anatomic site and the point of origin cannot be determined. Nipple [C50.0] and LIQ [C50.3] fit this rule. This is a single primary per MP/H Breast Rule M9.
CS Site Specific Factor--Prostate: How is SSF 6 coded for this site when there is only one Gleason number documented and the number is less than 5 (e.g., Gleasons 3)?
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.
Code 999 [unknown or no information]. Note 1 was revised in September 2006 to clarify this situation.
Note 1 states "If only one number is given and it is less than or equal to 5, code the total score to 999, unknown or no
Reportability--Skin: Is a pilomatrix carcinoma of the skin reportable if it is described as being a malignant diagnosis based on poor circumscription, infiltrative growth pattern, and focal abundant mitoses?
No. Pilomatrix carcinoma is not reportable to SEER. Please see page 1 of the 2004 SEER manual. Skin primaries with histology codes from 8090 to 8110 are not reportable. Pilomatrix carcinoma is coded 8110/3.
Reportability--Stomach: Is a well-differentiated neuroendocrine tumor of the stomach reportable?
Well-differentiated neuroendocrine tumor (NET) of the stomach is reportable. The WHO classification of digestive system tumors uses the term NET G1 (grade 1) as a synonym for carcinoid and well-differentiated NET, 8240/3.
Date of Diagnosis--Colon: If a patient has a positive Cologuard test, is the date of diagnosis the date of the cologuard test or the date of the biopsy?
Do not use the date of a positive Cologuard test as the date of diagnosis.
EOD-Extension--Lymphoma: What code is used to represent this field for a lymphoma with retroperitoneal lymph node involvement and splenomegaly?
For cases diagnosed 1998-2003:
Per AJCC, code spleen involvement which is demonstrated by:
1. Unequivocal palpable splenomegaly alone.
2. Equivocal palpable splenomegaly with radiologic confirmation (ultrasound or CT).
3. Enlargement or multiple focal defects that are neither cystic nor vascular (radiologic enlargement alone is inadequate).
If the spleen is proven to be involved, code extension for this case as 20 [Involvement of two or more lymph node regions on the same side of the diaphragm; Stage II].
If the spleen is not proven to be involved, code extension as 10 [Involvement of a single lymph node region; Stage I].
MP/H Rules/Histology--Ovary: How is histology coded for "serous carcinoma, papillary invasive pattern"?
For cases diagnosed 2007 or later, code the histology 8441/3 [Serous carcinoma, NOS]. Use the Other Sites rules. Start with rule H8 and stop at rule H11. "Pattern" is not one of the terms used to identify a specific type (See H16), so papillary is ignored.
CS Lymph Nodes/CS Mets at Dx--Ovary: How are renal lymph nodes coded for ovary primaries?
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.Code involvement of renal lymph nodes under CS Mets at Dx. Renal lymph nodes are not listed as regional lymph nodes for ovary; therefore, code involvement of renal lymph nodes under CS Mets at Dx.
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