Rogelio G Silva

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BACKGROUND Low-volume oral colonoscopy preparations are easier to tolerate and are gaining popularity at the expense of large-volume lavage solutions. The aims of this two-part study were to compare two oral colonoscopy bowel preparations, sodium phosphate (NaP) and magnesium citrate (Mg), and to assess the effects of timing and dilution of NaP. METHODS(More)
BACKGROUND Marlex mesh erosions may occur as late complications after vertical-banded gastroplasty. Experience with the endoscopic treatment is limited. OBJECTIVE To describe the use of argon plasma coagulation in the endoscopic treatment of eroded Marlex mesh. DESIGN Case report. SETTINGS Endoscopy Unit, University of Iowa Hospitals and Clinics, Iowa(More)
Actinomycosis is an uncommon entity, caused by an anaerobic bacterium, Actinomyces israelii, which is a component of the human oral and gastrointestinal flora. The cervicofacial region is the commonest site of disease, and the abdomen is the second commonest. In this situation the disease is almost always unifocal and restricted to the right colon,(More)
BACKGROUND Celiac ganglia have not been previously identified by EUS. OBJECTIVE To assess whether celiac ganglia can be detected by EUS and to define their characteristics. DESIGN Retrospective review followed by prospective study. METHODS Retrospective characterization was performed of all celiac ganglia that were incidentally identified by(More)
CONTEXT Malignant mixed Mullerian tumors are rare ovarian neoplasms that account for less than 2% of ovarian malignancies. They have a generally poor prognosis and often develop recurrent disease. To our knowledge, this is the first report of a malignant mixed Mullerian tumor with metastasis to the pancreas. The metastatic tumor was identified by endoscopic(More)
BACKGROUND EUS-guided Trucut biopsy (TCB) enables the acquisition of tissue cores for histologic assessment. Touch imprint cytology (TIC) can be performed at the time of a biopsy to assess the adequacy of the sample; however, limited information is available on the diagnostic value of TIC of these specimens. OBJECTIVE To investigate the diagnostic(More)
BACKGROUND Endoscopic ultrasound (EUS)-guided drainage of pancreatic pseudocysts has been well described but it is not an established therapy for malignant pancreatic cystic neoplasms. We report the first EUS-guided cystogastrostomy for the palliative treatment of a cystic pancreatic adenocarcinoma. CASE REPORT We describe a 70-year-old male with a(More)
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