background lower gastrointestinal bleeding (lgib) in infants and children is a common problem in medical centers; however, its epidemiologic properties have not been studied well. objectives due to the fact that lgib has various causes in different geographical places, considering the importance of etiology in decision making for diagnostic techniques and treatment and since the lack of compreh...

lipomas are rare gastric tumors that comprise less than 1% of gastric tumors. these tumors are usually without clinical manifestations, but sometimes they may present with severe symptoms like bleeding,intussusception, or abdominal pain. in endoscopic assessment, they manifest with subm ucosal masses with intact epithelium. endosonography and ct scan can help in diagnosis. surgical resection of...

abstract mesenteric masses are infrequent lesions ranging from benign cysts to aggressive malignancies and often present a diagnostic and therapeutic challenge. the mesentery is a frequent recipient of metastases from the gastrointestinal tract, pancreas, and biliary cancers. primary mesenteric tumors are relatively rare, mostly mesenchymal in origin and benign in nature. examples include gastr...

occurrence of cutaneous metastasis of gastrointestinal cancer is uncommon, with a reported frequency of less than 5 percent.they can occur as the first sign of disease recurrence in a treated patient or as a sign of terminal disseminated cancer or rarely as the first manifestation of an occult malignancy. the cases reported here represent three different manifestation of cutaneous metastasis of...

background: the present study was carried out to describe the epidemio-logical aspects of gastrointestinal helminthic infections of canids in chahar-mahal and bakhtiari province, the central western part of iran . methods: forty nine canid species including , dogs, jackals, foxes and wolves were included in this study. the contents of their alimentary canal were in-spected in order to isolate a...

engraftment by donor lymphocytes in an immunologically compromised host can result in donor t-cell activation against host major histocompatibility complex antigens, with resultant gvhd. the acute form of gvhd (agvhd) is characterized by erythroderma, cholestatic hepatitis, and enteritis. the intestinal symptoms of agvhd include crampy abdominal pain and watery diarrhea, often with blood. the c...

opium is one of the oldest herbal medicines currently used as an analgesic, sedative and antidiarrheal treatment. the effects of opium are principally mediated by the μ -,κ- and δ-opioid receptors. opioid substances consist of all natural and synthetic alkaloids that are derived from opium. most of their effects on gastrointestinal motility and secretion result from suppression of neural activi...

Introduction: Thymol has negative ionotropic effect on heart and has direct effect on calcium release from sarcoplasmic reticulum. Some of the herbal plants just like carum copticum consist of thymol. The postganglionic neurons of the gastrointestinal parasympathetic system are located mainly in the myenteric and submucosal plexuses. Stimulation of these parasympathetic nerves causes general...

The efficacy of chemotherapeutic treatment of colorectal cancer is challenged by severe gastrointestinal side effects, which include nausea, vomiting, constipation, and diarrhea. These symptoms can persist long after the treatment has been ceased. An emerging concept is the ability of platinum-based drugs to stimulate immunity, which is in contrast to conventional chemotherapeutic agents that a...