[Hepatic metastasis of a pleomorphic adenoma].

Pleomorphic adenoma is the most benign tumor of the salivary glands. It can undergo a malignant transformation to carcinoma and metastasize to distant organs, sometimes it can metastasize as a benign tumor. We present the case of an 82 years old male with hepatic lesion detected by ultrasound in routine urologic follow-up.

Oral Cavity Metastasis of Hepatocellular Carcinoma following Liver Transplantation.

Liver transplantation (LT) remains the only cure for hepatocellular carcinoma (HCC) in many cases. Over many years, most centers have applied the Milan criteria for selecting cirrhotic patients with HCC for LT. In a new era where several transplant groups are pushing the limits of transplanting HCC outside Milan criteria as an aggressive approach with promising results, we present interesting images of a patient that presented a unique and rare site of HCC metastasis after 36 months of liver transplantation.

[Prevalence of serrated adenomas of the colon and association with synchronic and metachronic neoplastic lesions].

Objective: To determine the prevalence of serrated adenomas (SA), the frequency of high grade dysplasia (HGD) and adenocarcinoma in these polyps, and the association with synchronic (SNL) and metachronic neoplastic lesions (MNL).

Methods: Reports from patients undergoing colonoscopy and polypectomy from January 2003 to April 2010, were obtained from our electronic database. SA were reanalyzed by two pathologists and classified on the basis of Snover's diagnostic criteria.