Publications by authors named "Frederick M Tiesenga"

Small bowel obstruction (SBO), of both partial and complete types, is a condition predominantly caused by intra-abdominal adhesions and hernias. However, a known but very uncommon cause of SBO is malignancies, which are more complicated than those caused by adhesions and hernias, and associated with poorer prognoses; of these, small bowel adenocarcinoma is an even rarer etiology of SBO. The majority of SBO cases that are treated have resolution of symptoms and do not have recurrence/persistence of the condition; however, reports suggest that approximately one-fifth of SBO cases that are treated will result in recurrence/persistence of SBO requiring repeat admission.

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Duodenal adenocarcinoma (DA), gastrointestinal stromal tumor (GIST), and pancreatic neuroendocrine tumor (PNET) are a set of rare gastrointestinal (GI) cancers characterized by nonspecific symptoms such as anemia, weight loss, and abdominal pain. We report an interesting case of DA, GIST, and PNET in a 79-year-old African American male who presented to the emergency department with syncope. The patient was tachycardic and found to have severe anemia.

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Titanium is a known metal used widely in the medical field and can cause allergic reactions with complications. Our case is about a 28-year-old female presenting with a spectrum of abdominal symptoms with a complicated medical history. The abdominal pain is associated with titanium allergy reaction from previously inserted titanium-based surgical clips.

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Background: Single-incision laparoscopic cholecystectomy evolved from the traditional multiport laparoscopic technique. Prior trials have demonstrated improved cosmesis with the single-incision technique. Robotic single-site surgery minimizes the technical difficulties associated with laparoscopic single-incision approach.

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