Sigmoid Diverticulis

Management of Sigmoid Volvulus Avoiding Sigmoid Resection

Acute sigmoid volvulus is typically caused by an excessively mobile and redundant segment of colon with a stretched mesenteric pedicle. When this segment twists on its pedicle, the result can be obstruction, ischemia and perforation. A healthy, 18-year-old Caucasian woman presented to the emergency department complaining of cramping abdominal pain, distention, constipation and obstipation for t...

Giant Submucosal Lipoma of Sigmoid Colon

  Lipomas of the gasterointestinal Tract are relatively uncommon in clinical practice. Most cases are asymptomatic with small tumor size and do not need any special treatment but the large ones are known to cause symptoms such as abdominal pain, obstruction, intussusceptions, and bleeding. The majority (90%) of these lesions are submucosal with predominantly right sided with a slight preponder...

Classification of Sigmoid Volvulus

Sigmoid diverticulitis: US findings

Acute diverticulitis (AD) results from inflammation of a colonic diverticulum. It is the most common cause of acute left lower-quadrant pain in adults and represents a common reason for acute hospitalization, as it affects over half of the population over 65 years with a prevalence that increases with age. Although 85% of colonic diverticulitis will recover with a nonoperative treatment, some p...

Gauss-sigmoid neural network

Recently RBF(Radial Basis Function)-based networks have been widely used because they can learn a strong non-linear function faster and more easily by their local learning characteristics. However, it has no hidden units that can represent some global information. Accordingly even if the knowledge obtained through the previous sets of learning is utilized effectively in the present learning, th...