Accounting for approximately 0.4-0.6% of all inguinal hernias, Amyand's hernia is a rare condition in which a vermiform appendix is found in an inguinal hernia sac. It is most commonly found in males and in the pediatric population. Since Claudius Amyand's first reported case in 1736, there have only been a total of 228 documented cases of the Amyand's hernia. Due to its rarity, the pathophysiology and risk factors of the condition are still unclear. Some theorize that it is secondary to a patent processus vaginalis or perhaps the presence of a fibrous band between the hernia sac and testes. Amyand's hernia usually presents as an incarcerated or strangulated hernia, but its presentation can be quite variable. We report an unusual case of an Amyand's hernia presenting as an enlarging painful mass on the right lateral edge of the mons pubis, resembling an abscess.

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The use of robotic bariatric surgery has increased significantly since its advent in 1999. Its utility and safety has been demonstrated in the literature for all bariatric procedures, including most recently the biliopancreatic diversion with duodenal switch (BPDDS). The robotic-assisted biliopancreatic diversion with duodenal switch (RBPDDS) was first described by Sudan et al. in 2007 with the use of the robot primarily for the duodeno-ileal anastomosis, then in 2015, the same authors described 59 cases of totally RBPDDS using the robot for the most of the operation, but still utilizing laparoscopic staplers. Robotic staplers were introduced recently and it became possible to utilize robot throughout the entire procedure without relying on stapling performed by an assistant. Described here is the technique of a total RBPDDS utilizing robotic staplers.

Intussusception, or telescoping of the bowel, is a rare condition in the adult population that can lead to serious complications, such as obstruction or ischemia. Most cases of intussusception are idiopathic and present with a pathognomonic "target sign" on imaging. Rarely, in adults, intussusceptions can be found with lead points, some of which may be neoplastic. Treatments for intussusception include air enemas or surgical intervention if enemas are unsuccessful in resolving the telescoped bowel. This case report discusses an atypical presentation of intussusception in an adult female with a "whirlpool sign" on imaging rather than the typical "target sign." She was found to have incorporation of mesenteric fat into telescoping bowel causing edema and partial bowel obstruction. The affected bowel was removed laparoscopically, and an end-to-end anastomosis was formed. Pathology of the resected bowel revealed a non-immunoreactive inflammatory myofibroblastic neoplasm as the lead point. Most inflammatory myofibroblastic tumors stain positive for desmin, smooth muscle actin, and anaplastic lymphoma kinase (ALK), whereas this patient was non-immunoreactive. The patient tolerated surgery well and is now pain-free with normal gastrointestinal function. This case report hopes to heighten awareness of atypical presentations of intussusceptions, the use of imaging to help aid in uncertain diagnoses, and the appropriate surgical treatment for symptomatic patients.

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