• Sami Akbulut, Abdullah Ulku, Ayhan Senol, Mahmut Tas, and Yusuf Yagmur.
• Department of Surgery, Diyarbakir Education and Research Hospital, 21400 Diyarbakir, Turkey. akbulutsami@gmail.com
• World J. Gastroenterol. 2010 Nov 28; 16 (44): 5598-602.

AimTo give an overview of the literature on left-sided acute appendicitis (LSAA) associated with situs inversus totalis (SIT) and midgut malrotation (MM).MethodsWe present a new case of LSAA with SIT and a literature review of studies published in the English language on LSAA, accessed via PubMed and Google Scholar databases.ResultsNinety-five published cases of LSAA were evaluated and a 25-year-old female, who presented to our clinic with left lower abdominal pain caused by LSAA, is reported. In the reviewed literature, fifty-seven patients were male and 38 were female with an age range of 8 to 82 years and a median age of 29.1 ± 15.9 years. Sixty-six patients had SIT, 23 had MM, three had cecal malrotation, and two had a previously unnoted congenital abnormality. Fifty-nine patients had presented to the hospital with left lower, 14 with right lower and seven with bilateral lower quadrant pain, and seven subjects complained of left upper quadrant pain. The diagnosis was established preoperatively in 49 patients, intraoperatively in 19, and during the postoperative period in five; 14 patients were aware of having this anomaly. The data of eight patients were not unavailable. Eleven patients underwent laparoscopic appendectomy, which was combined with cholecystectomy in two cases. Histopathological examination of the appendix specimens revealed adenocarcinoma in only two of 95 patients.ConclusionThe diagnosis of left lower quadrant pain is based on well-established clinical symptoms, physical examination and physician's experience.

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