Highlights Midgut volvulus caused by malrotation. Midgut volvulus as a rare cause of acute abdomen in adulthood. Intestinal malrotation presentation in the adulthood.

HighlightsCarotid body tumors are rare neuroendocrine neoplasms derived from neural crest cells.MRI imaging is considered to be the gold standard criterion for carotid body tumors diagnosis.Surgical resection of carotid body tumors represents a special challenge to the surgeon.

Highlights Bariatric surgery represents one of the greatest success stories in modern medicine. Improving the management and the result in those cases in which revision surgery is needed. Laparoscopic conversion of OAGB to RYGB as a safe method.

Introduction Appendectomy is one of the most common surgical procedures performed worldwide There are different etiologies for acute appendicitis such as obstruction of the appendiceal lumen by fecalith, lymphoid hyperplasia, or neoplasm. Laparoscopic appendectomy has become the treatment of choice for both complicated and uncomplicated appendicitis; common postoperative complications include wound infection, bleeding, intraabdominal abscess. Stump appendicitis is defined as the interval repeated inflammation of remaining residual appendiceal tissue after an appendectomy. Presentation of case 38-Year-old female patient with a history of laparoscopic appendectomy performed in 2016 for acute uncomplicated appendicitis. She arrived to the emergency room due to abdominal pain 7 out of 10, located in the periumbilical region, later with migration to the right lower quadrant, abdominal CT scan evidenced the presence of a cecal and pericecal inflammatory process as well as the base and residual proximal portion of the cecal appendix laparoscopic stump appendectomy was performed. Discussion Stump appendicitis (SA) is defined as the inflammation of the remnant of the cecal appendix after an appendectomy, whether due to impaction of a fecalith or secondary to an ischemic process, the probability of developing SA is estimated to be about 1/50,000 cases throughout life. The most frequently used treatment is exploratory laparotomy to complete the previous appendectomy; however, there are 5 reported cases of stump appendicitis, where surgical resolution was performed through laparoscopic surgery. Conclusions It is important to keep this entity in mind when evaluating a patient with acute abdomen with previous history of appendectomy, since the delay in diagnosis and treatment increases morbidity and mortality; laparoscopic stump appendectomy has been shown to be a safe treatment (Agha et al., 2020 [14] ). 1

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Highlights Infections in isolated liposuction procedures are reported as only 0.1 % of cases One of the most serious complications of liposuction is necrotizing soft tissue infection (NSTI). Rapid recognition of NSTI is life saving; with urgent extensive debridement and prophylactic antibiotics as the mainstay of treatment for this condition

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Highlights Schwannomas are neural crest tumors. Incidence extremely rare in the retroperitoneum. Inmunochemistry is needed for final diagnosis.