Ioannis T Konstantinidis

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OBJECTIVE Evaluate the value of cytology relative to imaging features in risk assessment for malignancy as defined in the Sendai Guidelines. BACKGROUND The Sendai Guidelines list symptoms, cyst size >30 mm, dilated main pancreatic duct (MPD) >6 mm, mural nodule (MN) and "positive" cytology as high risk stigmata for malignancy warranting surgical triage.(More)
BACKGROUND Tumors metastasizing to the pancreas are rare, and published series are limited by few patients treated for extended periods of time. Renal cell cancer (RCC) is the most common primary tumor metastasizing to the pancreas. Our aim was to describe the clinicopathologic characteristics and patient outcomes in a modern series of patients who(More)
OBJECTIVE Patients who undergo an R0 resection of their pancreatic ductal adenocarcinoma (PDAC) have an improved survival compared with patients who undergo an R1 resection. It is unclear whether an R1 resection confers a survival benefit over locally advanced (LA) unresectable tumors. Our aim was to compare the survival of patients undergoing an R1(More)
OBJECTIVES To determine the prevalence of incidentally found cases of gallbladder cancer, the incidence of residual disease at reexploration, and the changes in the mode of presentation, treatment, and survival of patients with gallbladder cancer during a period of more than 4 decades. DESIGN Retrospective case series. SETTING University-affiliated(More)
BACKGROUND Intrahepatic cholangiocarcinoma (ICC) is associated with poor survival. This study compared the outcomes of patients with unresectable ICC treated with hepatic arterial infusion (HAI) plus systemic chemotherapy (SYS) with the outcomes of patients treated with SYS alone. METHODS Consecutive patients with ICC were retrospectively reviewed.(More)
PURPOSE More effective therapy is needed for intrahepatic cholangiocarcinoma (ICC). The encouraging clinical results obtained with checkpoint molecule-specific monoclonal antibodies (mAb) have prompted us to investigate whether this type of immunotherapy may be applicable to ICC. The aims of this study were to determine whether (i) patients mount a T-cell(More)
OBJECTIVE To describe our series of distal pancreatectomies with preservation of the spleen utilizing the Warshaw operation with a focus on possible long-term complications due to the development of gastric varices. BACKGROUND The Warshaw operation was first described in 1988. The splenic vessels are resected and the spleen survives via the short gastric(More)
For patients with unresectable intrahepatic cholangiocarcinoma (ICC), treatment options are limited and survival is poor. This study summarizes the long-term outcome of two previously reported clinical trials using hepatic arterial infusion (HAI) with floxuridine and dexamethasone (with or without bevacizumab) in advanced ICC. Prospectively collected(More)
Possible mass lesions identified on ultrasound (US) of the gallbladder may prompt an aggressive surgical intervention due to the possibility of a malignant neoplasm. This study aims to utilize a large modern series of patients with gallbladder lesions identified on US to evaluate imaging characteristics consistent with malignancy. A retrospective review was(More)
AIM To evaluate the safety and effectiveness of our new cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemoperfusion (HIPEC) program. METHODS Retrospective review of patients with gastrointestinal malignancies who were suitable candidates for CRS and HIPEC between 12/1/2009 and 10/1/2010. All clinicopathologic data were reviewed with a(More)