![]() We selected 200 cadavers which had been referred to forensic autopsy center: 153 of them were male and 47 were female. They were randomly selected from the dead bodies that had been referred to local bureau of legal medicine of Zenjan province, Iran, for medicolegal autopsy since 21 March 2010 to 21 March 2011. The present study was conducted on 200 bodies (153 males and 47 females). The present study was performed to determine the anatomical locations of the appendix, its length and span, and status of mesoappendix of appendix (complete or incomplete), as well as their relationship with age and sex on the dead bodies that had been referred for medicolegal autopsy. So, accurate information about the anatomical location of appendix can improve prognosis of the disease. Delayed diagnosis of acute appendicitis may lead to its perforation and subsequent abscess or peritonitis. Variable positions of the appendix may mislead physicians to make a wrong decision or diagnosis of other diseases. Knowing common position(s) of the appendix helps on-time diagnosis of acute appendicitis. There is no definitive diagnostic laboratory test or imaging. Īcute appendicitis is mainly diagnosed by medical examination and clinical evaluation. They have reported pelvic position as the most common position for vermiform appendix (57.71%) and paracecal as the least one (3.07%). have evaluated 65 patients who underwent open appendectomy in Serbia. ![]() But, the mortality rate in perforated appendicitis is about 3%, while it may be as high as 15% in the elderly population. Mortality rate of nonperforated appendicitis is 0.1% which is slightly higher than the mortality rate of a general anesthesia. Some studies have shown that age, race, sex, geographic region, and diet can affect the position of appendix. However it may also be seen in any age group. Īcute appendicitis is the most common cause of acute abdomen among young patients. The diversity of situations is categorized into six locations: retrocecal, pelvic, subcecal, preileal, retroileal, and ectopic. The base of appendix is connected to the cecum, but its head can be placed in different situations. Its length varies from 2 to 20 cm, in average 9 cm. Though a remarkably constant structure in man, the appendix is nevertheless occasionally subject to the extremes of variation, that is, total suppression and duplicity. Previous to this, other authors had stated their belief, from observations at necropsy or operation, that the majority of appendixes are situated anteriorly and that they are free and hang over the brim of the pelvis. The first comprehensive study made of the position of the appendix was completed by Gladstone and Wakeley in 1924, who studied 3000 anatomic dissections. It has a worm-like structure and arises during embryological life from the posteromedial wall of the cecum, about 2 cm below the ileocecal valve. Vermiform appendix is a part of the digestive tract which lies in right lower quadrant of abdomen. ![]() It might be possible that some factors, such as race, geographical changes, and dietary habits, play roles in determining the position of vermiform appendix. It is inconsistent with most related reports from western countries. Anterior anatomical position was the most common position for vermiform appendix. No association was found between sex and anatomical position of vermiform appendix. Mesoappendix was complete in 79.5% of the bodies. The mean length of vermiform appendix was 91.2 mm and 80.3 mm in men and women, respectively. According to the results, the anatomical positions of the appendix were pelvic, subcecal, retroileal, retrocecal, ectopic, and preileal in 55.8%, 19%, 12.5%, 7%, 4.2%, and 1.5% of the bodies, respectively. The present study was conducted on 200 bodies, selected from the dead bodies that had been referred to local bureau of legal medicine, Zenjan province, Iran, for medicolegal autopsy since to. The aim of present study is determination of these characteristics of vermiform appendix among Iranian population. Knowing the exact anatomical position of vermiform appendix is important in view of surgeons for on-time diagnosis and management of acute appendicitis. Vermiform appendix has diverse anatomical positions, lengths, and conditions of mesoappendix.
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