Items tagged “general surgery”

381 results found
Article

Cecal volvulus

Cecal volvulus describes torsion of the cecum around its mesentery which often results in obstruction. If unrecognised, it can result in bowel perforation and fecal peritonitis. Epidemiology Cecal volvulus accounts for ~10% of all intestinal volvuluses, and generally occur in somewhat younger ...
Article

Cecal volvulus

Cecal volvulus describes torsion of the cecum around its mesentery which often results in obstruction. If unrecognised, it can result in bowel perforation and fecal peritonitis. Epidemiology Cecal volvulus accounts for ~10% of all intestinal volvuluses, and generally occur in somewhat younger ...
Article

Colorectal carcinoma

Colorectal carcinoma (CRC) is the most common cancer of the gastrointestinal tract and the second most frequently diagnosed malignancy in adults. CT and MRI are the modalities most frequently used for staging. Surgical resection may be curative although five-year survival rate is 40-50%.  Epide...
Article

Epiploic appendagitis

Epiploic appendagitis is a rare self-limiting ischemic/inflammatory process involving appendix epiploica of the colon and may either be primary or secondary to adjacent pathology. This article pertains to primary (spontaneous) epiploic appendagitis. The term along with omental infarction is grou...
Article

Epiploic appendagitis

Epiploic appendagitis is a rare self-limiting ischemic/inflammatory process involving appendix epiploica of the colon and may either be primary or secondary to adjacent pathology. This article pertains to primary (spontaneous) epiploic appendagitis. The term along with omental infarction is grou...
Article

Hiatus hernia

Hiatus hernias occur when there is herniation of abdominal contents through the esophageal hiatus of the diaphragm into the thoracic cavity. Epidemiology The prevalence of hiatus hernia increases with age, with a slight female predilection. Clinical presentation Many patients with hiatus her...
Article

Hinchey classification of acute diverticulitis

Edward John Hinchey et al. 3 proposed a classification for acute diverticulitis, (anywhere along the bowel, not just the colon) that has been variously adapted, and is useful not only in academia but also in outlining successive stages of severity. Classification stage Ia: phlegmon stage Ib: ...
Article

Incisional hernia

Incisional hernias (alternative plural: herniae) are relatively common and along with parastomal hernias, umbilical hernias, paraumbilical hernias, and Spigelian hernias, they are usually anterior abdominal hernias. Epidemiology Incisional hernias usually develop within a few months of surgery...
Article

Intussusception

Intussusception occurs when one segment of bowel is pulled into itself or a neighboring loop of the bowel by peristalsis. It is an important cause of an acute abdomen in children and merits timely ultrasound examination and reduction to preclude significant sequelae including bowel necrosis. Whe...
Article

Intussusception

Intussusception occurs when one segment of bowel is pulled into itself or a neighboring loop of the bowel by peristalsis. It is an important cause of an acute abdomen in children and merits timely ultrasound examination and reduction to preclude significant sequelae including bowel necrosis. Whe...
Article

Ischemic colitis

Ischemic colitis refers to inflammation of the colon secondary to vascular insufficiency and ischemia. It is sometimes considered under the same spectrum as intestinal ischemia. The severity and consequences of the disease are highly variable. Epidemiology Ischemic bowel is typically a disease...
Article

Multiple endocrine neoplasia type I

Multiple endocrine neoplasia type I (MEN1), also known as Wermer syndrome, is an autosomal dominant genetic disease that results in proliferative lesions in multiple endocrine organs, particularly the pituitary gland, islet cells of the pancreas and parathyroid glands.  There are other multiple...
Article

Esophageal carcinoma

Esophageal carcinoma is relatively uncommon. It tends to present with increasing dysphagia, initially to solids and progressing to liquids as the tumor increases in size, obstructing the lumen of the esophagus. Epidemiology Esophageal cancer is responsible for <1% of all cancers and 4-10% of a...
Article

Esophageal carcinoma

Esophageal carcinoma is relatively uncommon. It tends to present with increasing dysphagia, initially to solids and progressing to liquids as the tumor increases in size, obstructing the lumen of the esophagus. Epidemiology Esophageal cancer is responsible for <1% of all cancers and 4-10% of a...
Article

Portal venous gas

Portal venous gas is the accumulation of gas in the portal vein and its branches. It needs to be distinguished from pneumobilia, although this is usually not too problematic when associated findings are taken into account along with the pattern of gas (i.e. peripheral in portal venous gas, centr...
Article

Thyroid gland

The thyroid gland is a single midline endocrine organ in the anterior neck responsible for thyroid hormone production which lies in the visceral space completely enveloped by pretracheal fascia (middle-layer of the deep cervical fascia). Gross anatomy The thyroid extends from C5 to T1 and lies...
Article

Thyroid gland

The thyroid gland is a single midline endocrine organ in the anterior neck responsible for thyroid hormone production which lies in the visceral space completely enveloped by pretracheal fascia (middle-layer of the deep cervical fascia). Gross anatomy The thyroid extends from C5 to T1 and lies...
Article

Thyroidea ima artery

The thyroidea ima artery is an uncommon variant of the blood supply to the inferior aspect of the thyroid gland. It is reported in ~7.5% (range 1.5-12.2%) of individuals and can arise from: brachiocephalic trunk (most common: 1.9-6.0%) right common carotid artery aortic arch internal thoraci...
Article

Target sign (intussusception)

The target sign of intestinal intussusception, also known as the doughnut sign or bull's eye sign. The appearance is generated by concentric alternating echogenic and hypoechoic bands. The echogenic bands are formed by mucosa and muscularis whereas the submucosa is responsible fo the hypoechoi...
Article

Target sign (intussusception)

The target sign of intestinal intussusception, also known as the doughnut sign or bull's eye sign. The appearance is generated by concentric alternating echogenic and hypoechoic bands. The echogenic bands are formed by mucosa and muscularis whereas the submucosa is responsible fo the hypoechoi...

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.