borderline tumor

borderline tumor

Surgical pathology A term used for neoplasms with many histologic criteria of malignancy, for which the future behavior is uncertain. See Stump.
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18) The spectrum of mucinous cystic neoplasms involving the renal pelvicalyceal system is similar to the more common ovarian mucinous neoplasms and includes benign mucinous cystadenoma, mucinous borderline tumor with or without intraepithelial carcinoma, and mucinous cystadenocarcinoma.
Endosalpingiosis might be nearly impossible to distinguish from well-differentiated serous neoplasms such as serous borderline tumor and low-grade serous carcinoma.
It is not literally a borderline tumor that has somehow degenerated into cancer.
Primary peritoneal serous borderline tumor is a rare epithelial proliferation that can present as an incidental finding at laparotomy and raises concern for a primary ovarian tumor with peritoneal implants.
3,4] We report a case of a tumor in the ureter that histologically resembled a serous borderline tumor of mullerian origin.
The final histologic examination objectified intracystic intestinal type ovarian mucinous borderline tumor which corresponded to a Demons' pseudosyndrome.
Fortunately, my pathology came back better than expected and I was diagnosed with a borderline tumor, which is a low-malignant form of the disease.
There were 123 patients determined to have an invasive EOC and 22 patients had a low malignant potential or borderline tumor.
In addition to serous borderline tumors, one mucinous borderline tumor and two mucinous ovarian carcinomas exhibited the same mutation at codon 12 (Gly to Asp).
9) This entity parallels the more commonly encountered and familiar intraductal papillary mucinous neoplasm (IPMN) of the pancreas, in that the tumors range from benign to malignant, and are classified as adenoma, borderline tumor, carcinoma in situ, or carcinoma, though most cases are reportedly at least carcinoma in situ, a distinction from IPMN of the pancreas.
24) An example of a borderline tumor that resulted in lymph node metastases but did not spread beyond lymph nodes within a 5-year follow-up is illustrated in Figure 2, A through F.
The World Health Organization classification divides IPMT intraductal epithelial dysplasia into adenoma, borderline tumor, and carcinoma.