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Diagnosis: Fragmented appendix with: Goblet cell carcinoid tumor (typical goblet cell carcinoid): WELL DIFFERENTIATED neuroendocrine tumor; INTERMEDIATE GRADE (GRADE 2 NET). Size 3.5 cm according to surgical pathology report. Tumor infiltrates through appendiceal wall to subserosa. Tumor is present in what appears to be the wall of the appendix near the perforation site or in hemorrhagic tissue on the surface of the appendix. MAXIMUM MITOTIC RATE IS TWO (2) FIGURES PER 10 HIGH POWER fields (2/10hpf). (4/10 hpf according to report).

WD indicates a 3- grade system (code 1 for WD) Intermediate grade indicates a 3- grade system (code grade 3 for intermediate grade), Grade 2 indicates a 2- grade system (code 2 for grade 2). Please advise.

I recently did a presentation on coding the data item Race. In my presentation I discussed understanding geography help code race in some circumstances. One of the slides demonstrates how large Polynesia is and what Pacific islands are found in Polynesia, such as, Tahiti, Samoa, and even Hawaii, all of which have their own codes. Someone in the audience asked "How do you code New Zealand? Upon some research, New Zealand is not listed in Appendix D of the SEER coding manual. We could code them 01-White. But research shows there is a very large indigenous population. Technically, New Zealand is located within the boundaries of Polynesia - Code 25 (Polynesian).

The MP/H Rules (Other Sites Terms and Definitions, Table 2) currently lists a separate mixed germ cell tumor code (9101) for germ cell tumors with choriocarcinoma plus teratoma, seminoma or embryonal carcinoma. Is this separate mixed germ cell tumor code still to be used now that all mixed germ cell tumors (9065 and 9085) have been collapsed into code 9085 for analysis per SINQs 20160056 and 20110013? The current WHO Classification for testis tumors does not list code 9101, but also collapses all seminomatous and nonseminomatous mixed germ cell tumors of more than one histologic type under code 9085.

Patient has only a LUL tumor on imaging. The tumor board initially states, possibly a mixed tumor, likely IIIA SCC and/or IIIA or B small cell. Later, the physician refers to it as "Stage III lung cancer, mixed histology with small cell in the lymph node and squamous cell in the LUL mass." Patient has no further workup and has declined therapy.

Rectal mass biopsy final diagnosis: High grade neuroendocrine tumor (WHO Grade 3). Neither SINQ 20170033 nor 20160023 address coding histology or grade for neuroendocrine tumors that are designated as high grade and/or WHO grade 3.

Pathology report: Brain tumor, left side: Gliotic cortex and subcortical white matter with meningioangiomatosis (see Comment). Comment This specimen represents a meningioangiomatous lesion located in the leptomeninges that projects along the Virchow-Robin spaces into the underlying cortex. The surrounding brain parenchyma demonstrates reactive changes with astrogliosis and microgliosis. An intraparenchymal neoplasm is not seen. Meningioangiomatosis is a rare benign meningovascular hamartomatous condition and usually appears in young patients.

Patient had radical resection of pelvic giant cell tumor of bone in August 2012. Final diagnosis clarified that no features to suggest a frankly malignant giant cell tumor were identified.

July 2013 left upper lobe nodules were removed and found to be consistent with multifocal metastatic lung involvement with a previous pelvic giant cell tumor of bone. However, the pathology report comment specifies there are no histological high-grade features to suggest a malignancy:

While SINQ 20091087 may apply, these metastases clearly arrived in the lung by hematogenous spread. The previous SINQ note refers to a case where the implants/metastases can seed the surrounding pelvic and abdominal structures by rupture of the tumor or intraoperative tumor spillage. That type of spread is not quite the same as the current case showing tumor cells leaving the primary tumor/site and travelling through the blood to implant in the lungs.