Background: McKittrick-Wheelock syndrome mostly results from colorectal villous adenoma and is characterized by dehydration, hyponatremia, hypokalemia, and prerenal azotemia. Case Report: We report the case of an 84-year-old patient with rectal villous adenoma, presenting with chronic mucous diarrhea for 2 years and subsequent prerenal azotemia. After fluid and electrolyte replenishment, the pa...

Background: A fistula is an abnormal tract between two or more epithelialized structures or spaces. When it involves the gastrointestinal tract and the skin, it is then classically called an enterocutaneous fistula. Methods: Publications from local and international journals were reviewed. Results: Management challenges focus on fluid resuscitation, nutritional supplementation, electrolyte repl...

This paper considers a single-echelon, continuous review, inventory system with a warehouse facing compound Poisson customer demand. The replenishment lead-time is constant. Demand that cannot be met directly is backordered. There are standard linear holding and backorder costs but no set-up or ordering cost. It is assumed that the demand process starts at a certain given time. Consequently, be...

We classify the hulls of different limit-periodic potentials and show that the hull of a limit-periodic potential is a procyclic group. We describe how limit-periodic potentials can be generated from a procyclic group and answer arising questions. As an expository paper, we discuss the connection between limit-periodic potentials and profinite groups as completely as possible and review some re...

the advent of e-commerce has prompted many manufacturers to redesign their traditional channel structure by engaging in direct sales. in this paper, we present a dual channel inventory model based on queuing theory in a manufacturer-retailer supply chain, consisting of a traditional retail channel and a direct channel which stocks are kept in both upper and lower echelon. the system receives st...

infantile hemiplegia refers to brain injuries that occur before or at birth and lead to hemiplegia/ total paralysis of one side of the body, including the face, arm and leg. the main purpose of this article is to provide valuable information to pediatric dentists about the review and treatment alternatives for patients with infantile hemiplegia. this article reports the case of a 12-year-old gi...