The Usefulness of Vitamin K-Dependent Proteins in the Diagnosis of Colorectal Carcinoma.

Colorectal cancer (CRC) is one of the most common neoplasms in developed countries, with increasing incidence and mortality, even in young people. A variety of serum markers have been associated with CRC (CEA, CA 19-9), but neither should be used as a screening tool for the diagnosis or evolution staging of CRC. The sensitivity and specificity of these markers are not as good as is required, so new ones need to be found.

Cystic malignant peritoneal mesothelioma of the abdominal wall. Case report.

We present the clinical observation of a female patient with cystic peritoneal malignant mesothelioma developed in the thickness of the abdominal wall. The diagnosis included several steps: tumor classification as mesothelioma, tumor differentiation from reactive mesothelial hyperplasia, establishment of the malignant nature and differentiation from other malignant peritoneal tumors. Relapse in about one year after surgery and about six months after the end of chemotherapy also claim malignancy of the tumor.

Renal Cell Carcinoma With Extensive Tumor Thrombus Into the Inferior Vena Cava and Right Atrium in a 70-Year-Old Man.

The case of a male patient is reported, who presented with renal carcinoma and tumor thrombus in the inferior vena cava (IVC) extending from the right atrium (RA) to the bifurcation of IVC, common and external right iliac vein thrombosis, common and deep right femoral vein thrombosis, right popliteal vein thrombosis, with pulmonary and hepatic metastasis, treated with sorafenib. Renal cell carcinoma (RCC), the most common form of kidney cancer, occurs in 90% of cases and is nearly twice as common in men as in women. The diagnosis of RCC is accompanied by intravascular tumor thrombus in 10% of cases, and further extension of the tumor reaching RA is detected in approximately 1% of all patients.

Primary peritoneal serous psammocarcinoma: a case report.

Background: Psammocarcinomas (PCas) are rare epithelial tumors, usually originating in the ovaries or the peritoneum. These tumors are morphologically characterized by extensive psammomatous calcifications, invasiveness and low-grade cytological features.

Case Report: We present the case of a 54-year-old woman who was referred to our department with an umbilical tumor and increasing abdominal girth.

Staging laparoscopy in gastric cancer. Accuracy and impact on therapy.

Background: Surgical therapy remains the most effective treatment modality in gastric cancer. The importance of multimodal treatment for advanced gastric cancer has contributed to the development of more accurate preoperative staging strategies. We examined the diagnostic accuracy of staging laparoscopy (SL) for abdominal metastases and the predictive value of SL for tumor resectability.