To study the impact of mass Mectizan treatment on Onchocerca volvulus transmission in Mexico, entomological surveys were carried out in the endemic foci of Oaxaca, Southern Chiapas, and Northern Chiapas. Collected flies were screened by polymerase chain reaction (PCR) for O. volvulus parasites. The prevalence of infected and infective flies was estimated using the PoolScreen algorithm and with ...

BACKGROUND Small bowel volvulus is a rare cause of intestinal obstruction in adult patients. This disease is more common in children and its aetiology and management is different to that in adults. CLINICAL CASE A 30 year-old male with sarcoidosis presents with acute abdomen and clinical data of intestinal obstruction. Small bowel volvulus is diagnosed by a contrast abdominal tomography and a...

Attempts were made to transmit O. volvulus infection to small laboratory animals and several species of primates to identify a practical laboratory host for human onchocerciasis. Infective larvae of O. volvulus of Guatemalan origin were inoculated into the following animals: rhesus monkeys, bonnet monkeys, golden spider monkeys, black spider monkeys, galagos, opossums, jirds, newborn and adult ...

Gastric volvulus is an uncommon entity found in the paediatric population. We are reporting a case of chronic gastric volvulus presented to us with the complaints of recurrent vomiting after each feed. The vomiting was projectile, nonbilious, and the content was milk. The patient was evaluated by clinical and radiological means in the form of the X-ray abdomen, ultrasound abdomen, upper gastroi...

background: acute obstruction of the colon continues to be a lethal disease with little improvement in the mortality rate over the past 50 years. so, this study was undertaken to define the causes of colon obstruction and their probable changes after years. â  methods: from 1979 to 2004, all records of patients with definite diagnosis of intestinal obstruction at all hospitals affiliated to shi...

background: this study was carried out in opi-agu a tropical semi-urban autonomous community comprising of three villages in enugu state, nigeria, between the months of april and june 2010. it was designed to determine the prevalence of onchocerca volvulus infection and assess the perception of the disease among the inhabitants of this community. methods: a total number of 305 individuals compr...

introduction the popularity of sleeve gastrectomy, as a treatment for morbid obesity, has increased recently due to its safety and relatively technical simplicity. sleeve gastrectomy, however, is not free of complications and due to the increased number of cases performed with this method, new postoperative complications would be expected to be experienced. few cases of gastric volvulus are rep...

Lymphangioma occur commonly in the neck and axillae of pediatric patients, caused by an obstruction of the lymphatic flow because of congenital lymphatic malformation. However, mesenteric lmphangioma of the small intestine is a rare tumor that is seldom associated with small bowel volvulus, particularly in adult patients. Although rare, mesenteric lymphangioma can cause volvulus and intestinal ...

Background Sigmoid volvulus is a rare condition. A high incidence has been reported in debilitated, or chronically constipated patients. It is important to recognize this condition early and then initiate prompt treatment. Endoscopic treatment has a high perforation risk. The "whirl sign", was first described by Fisher, as suggesting volvulus of the small bowel, and it was considered that this ...

Acute gastric volvulus secondary to malrotation of gut is a rare surgical emergency. We report a case of an eight years old cerebral palsy (CP) child who presented to us with sudden upper abdominal distension and non productive retching. X-ray abdomen revealed a huge gas shadow on left side of abdomen with paucity of distal gas shadows. On exploration organoaxial gastric volvulus with gastric i...