"A concentric ring appearance of the caecal mucosa on a contrast enema may be seen and is known as the coiled spring sign, which is associated with various conditions, including post-appendicectomy stump inversion and appendiceal intussusception 3,4."
"Differential diagnosis "
"The term inverted appendix, a.k.a. appendiceal inversion, is sometimes used as a synonym for an appendix intussuscepting into the caecum 5-7."
"The term inverted appendix, a.k.a. appendiceal inversion, is sometimes used as a synonym for an appendix intussuscepting into the caecum 5-7."
"Similar findings to the intestinal intussusception can be seen, which include:"
Expected headings
"Fluoroscopy"
"Differential diagnosis "
"symptoms consistent with intestinal intussusception: abdominal pain and vomiting occur for several days; bowel movements may be normal, or less frequently, there is constipation, diarrhoea or melaena"
"a prolonged history of intermittent severe attacks of right lower quadrant abdominal pain; vomiting and melaena may be present"
"symptoms consistent with intestinal intussusception: abdominal pain and vomiting occur for several days; bowel movements may be normal, or less frequently, there is constipation, diarrhoea or melaena"
"Appendiceal intussusception can occur without any underlying abnormality. Anatomical variations of the appendix and pathological conditions such as tumours or polyps, endometriosis, parasitism, cystic fibrosis, appendicoliths and foreign bodies, have all been described as possible causes."