While studying a candidate for kidney transplant it is essential to exclude active malignant diseases. Serum biomarkers help to exclude specific cancers. Tumor markers are proteins secreted by neoplastic cells that can mark their activities. HE4 is a new tumor marker used in ovarian cancer. It is an epithelium protein that appears overexpressed in ovarian cancer, but it is also present in other normal human tissues. Often in patients with kidney failure serum biomarkers are increased compared to healthy people. We report a case of a Caucasian woman suffering from kidney failure examined by our team to be included on the kidney transplantation list. Patient had a known pelvic mass. Determination of serum biomarkers, CA125 and HE4, was performed to exclude pelvic tumor, and we found high levels of HE4 with normal levels of CA125. A new transvaginal ultrasound was performed on the patient and it showed a pelvic mass near the left ovary. This mass resulted bigger than in the previous ultrasound, performed about a month before. We decided to perform a pelvic CT for improved diagnostic accuracy. The reports of this exam showed that the mass was a hematoma correlated with a previous knee prosthetic surgery. Even tough many serum biomarkers are higher in patients with renal failure, there is no study to demonstrate that HE4 blood levels are modified in these patients. This case report shows how HE4 can be elevated in people in hemodialysis in a benign situation, also in a pelvic mass not from the genital tract. There is no similar case described in literature.
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|Titolo:||Is HE4 serum level a valid screening test in women candidates for kidney transplant? A case report and a review of literature|
|Data di pubblicazione:||2014|
|Appartiene alla tipologia:||01a Articolo in rivista|