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20021179 | Primary Site/EOD Fields--Head & Neck: In the absence of an actual resection and a pathologic evaluation of the affected area, would a laryngoscopy or CT scan provide a better assessment of the EOD and the primary site? | For cases diagnosed 1998-2003:
For Primary Site and EOD, CT information has higher priority than laryngoscopy. The CT scan gives a better picture of the involvement of the deeper tissues. A laryngoscopy falls into the "physical exam" category more than the "operative" category. The laryngoscopy report is not an "operative" report like those generated from a surgical procedure. |
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20021125 | Histology (Pre-2007)--Testis: What code is used to represent the histology of "mixed germ cell tumor, embryonal carcinoma and mature teratoma" of the testis? See discussion. | Is the teratoma required to be described as "immature" or "malignant" in order to use the histology code of 9081/3 [mixed embryonal carcinoma and teratoma]? | For tumors diagnosed prior to 2007:
Code the Histology field to 9081/3 [Teratocarcinoma, mixed embryonal carcinoma and teratoma], in both ICD-O-2 and ICD-O-3.
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20021176 | Histology (Pre-2007)/Multiple Primaries (Pre-2007)--Breast: What code is used to represent histology for a case with a biopsy specimen that reveals "infiltrating ductal carcinoma with ductal carcinoma in situ, comedo subtype, non-extensive" in one quadrant of the breast and a mastectomy specimen with "invasive pleomorphic lobular carcinoma with lobular carcinoma in situ" in another quadrant of the breast? Paget disease is identified in the nipple section. | For tumors diagnosed prior to 2007:
Code the Histology field to 8522/3 [infiltrating duct and lobular carcinoma]. We are choosing the ductal and lobular combination over the Paget disease and lobular combination because it is more important for analysis purposes.
Be careful in using combination codes to code separate tumors in different locations of the same breast as a single primary. Currently there are only three combination codes for the breast that allow for this situation, 8522 [duct and lobular], 8541 [Paget disease and infiltrating duct] and 8543 [Paget disease and intraductal]. Other histologic type differences that occur as separate tumors in different parts of the same breast are coded as multiple primaries.
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20021156 | Primary Site/Histology (Pre-2007): What codes are used to represent site and histology for BSO specimen with a diagnosis, "Left and right adnexa: poorly differentiated serous carcinoma. Comment: The carcinoma occurs as multiple nodules within adnexal soft tissues. Direct involvement of ovaries is not seen, supporting an extraovarian origin." See discussion. | Per our pathologist consultant, the site should be pelvic peritoneum [C481] and the histology is primary serous papillary carcinoma of peritoneum [8461/3]. Does SEER agree? | For tumors diagnosed prior to 2007:
Code the Primary Site to C481 [Specified parts of peritoneum] and the Histology field to 8461/3 [primary serous papillary carcinoma of peritoneum].
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20021151 | Reportability: A "gastrointestinal stromal tumor" (GIST) is not always stated to be "malignant" in the path report even though the tumor appears to meet criteria for malignancy. Is the tumor SEER reportable? See discussion. |
Evaluation of Malignancy and Prognosis of Gastrointestinal Stromal Tumors: A Review. Miettinen, M. et al, Human Pathology 2002 May; 33(5) 478-83). This article states there is an increasing number of GISTs because the majority of tumors previously diagnosed as gastrointestinal smooth muscle tumors (leiomyomas, leiomyoblastomas and leiomyosarcomas) are now classified as GISTs. It states that gastrointestinal autonomic nerve tumors (GANTs) are also GISTs based on their KIT positivity and presence of KIT-activating mutations. This article also states that a GIST is probably malignant if it meets the following criteria: 1) Intestinal tumors: Maximum diameter >5 cm or more than 5 mitoses per 50 HPFs. 2) Gastric tumors: Maximum diameter >10 cm or more than 5 mitoses per 50 HPFs. Some of the path reports that meet these criteria use the word "malignant", and others do not. Some of the cases that are not called "malignant" in the path diagnosis are signed out clinically as "malignant." |
The case is reportable if a pathologist or clinician confirms a diagnosis of cancer. If there is no such confirmation, the case is not SEER reportable. |
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20021180 | Surgery of Primary Site/Other Cancer-Directed Therapy--Head & Neck (Nasal cavity): Should a small fragment of bone removed during a maxillectomy following a turbinectomy for a nasal turbinate primary be "partial or total removal with other organ" for coding this field? See discussion. |
Excision of a turbinate mass and partial turbinectomy revealed melanoma of the rt nasal turbinate. A subsequent rt medial maxillectomy was performed and a small fragment of bone was included in the resection and identified in the pathology report. Would the removed bone be "connective or supportive tissue" only for a Surgery of Primary Site code of 40 or is it another organ for a code of 60? |
The piece of bone was likely removed to access the maxillary sinus and would not be a separate organ. Use the "All Other Sites" surgery coding schemes to code this primary. For cases diagnosed 1/1/2003 and after: Code the Surgery of Primary Site field to 40 [Total surgical removal of primary site]. Code the Surgical Procedure of Other Site field to 2 [Non-primary surgical procedure to other regional sites]. The maxillectomy was not performed in continuity to the turbinectomy and should be coded in this field rather than the Surgery of Primary Site field. |
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20021129 | Histology/Date of Diagnosis--Hematopoietic, NOS: What code is used to represent histology for a June 2001 diagnosis of "myelodysplastic syndrome" followed by a September 2001 bone marrow biopsy diagnosis of "myelodysplasia evolving into an acute leukemic state"? | For cases diagnosed prior to 1/1/2010: Code the Histology field to 9989/3 [myelodysplastic syndrome] and the Date of Diagnosis field to June 2001. For cases diagnosed 2010 forward, 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. |
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20021079 | Primary Site/Histology (Pre-2007)/EOD Fields/Surgery of Primary Site--Abdomen, NOS: What codes are used to represent these fields for a case with a resection of the rectosigmoid and adjacent tumor mass that demonstrated no tumor in the rectosigmoid but extramural to the colon there was an endometrioid adenocarcinoma arising in association with an area of endometriosis (possibly within the pericolic soft tissue or in an ovarian remnant)? | For cases diagnosed in 2003, code to: Primary Site: C76.2 [abdomen, NOS] Histology: 8380/3 [Endometrioid adenocarcinoma] EOD size, extension, lymph node: 999, 99, 9 [Unknown] Surgery of Primary Site: 98 [All unknown and ill-defined disease sites, WITH or WITHOUT surgical treatment] Scope of Regional LN Surgery: 0 [None] Surgical Procedure of Other Site: 2 [Non-primary surgical procedure to other regional sites]. |
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20021013 | Histology (Pre-2007)--Breast: What code is used for histology "tubular carcinoma with lobular carcinoma in situ"? | For tumors diagnosed prior to 2007:
Assign code 8211/3 [Tubular carcinoma]. According to histology rule #2 for a single tumor on page 86 of the 2004 SEER manual, code the invasive histology when both invasive and in situ tumor are present.
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20021011 | Reportability/Histology (Pre-2007)/Behavior Code/Primary Site: How would you code these fields for a case in which an infant presents with a skin rash, enlarged spleen, palpable abdominal mass, inconclusive bone marrow biopsy and a skin biopsy that was positive for "Langerhans cell histiocytosis"? See discussion. | The pathologist states, "I would consider this case a malignancy, although it does not always behave as such. Lesions in babies often act in a malignant manner." | For tumors diagnosed prior to 2007:
If the pathologist states this is a malignancy, the case is reportable. Code the Histology field to 9751/3 [Langerhans cell histiocytosis, NOS] and change the Behavior Code from 1 to 3. Code the Primary Site field to skin [C44._].
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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