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The kidney bean sign (more commonly called the coffee bean sign; also bent inner tube sign) is a radiologic sign observed on abdominal radiographs that indicates the presence of a sigmoid volvulus, a form of bowel obstruction. It is seen as an area of hyperlucency resembling a coffee bean. [1]
Bird of prey sign; Bite sign; Black pleura sign; Blade of grass sign (also known as Flame sign) Blumensaat's line; Bohler's angle; Bone-within-a-bone appearance; Boomerang sign; Bow tie appearance; Bowl of grapes sign; Bowler hat sign; Brim sign; Bucket handle tear; Bulging fissure sign; Bunches of grapes sign (hepatic abscess) Bunch of grapes ...
After taking a thorough history, the diagnosis of colonic volvulus is usually easily included in the differential diagnosis. Abdominal plain x-rays are commonly confirmatory for a volvulus, especially if a coffee bean sign is seen. These refer to the shape of the air-filled closed loop of colon which forms the volvulus.
Sigmoid colon volvulus, also known as sigmoid volvulus, is volvulus affecting the sigmoid colon.It is a common cause of bowel obstruction [1] and constipation.It is common in Asia, India (7% of intestinal obstruction) and especially South India because of the high fibre diet.
For example, tumor markers like Ki-67 can be used to choose form of treatment or in prognostics but are not useful to give a diagnosis, while other tumor markers have the opposite functionality. Therefore it's important to follow the guidelines of the specific tumor marker. Tumor markers are mainly used in clinical medicine to support a ...
Histologically, there are nests of transitional epithelial cells with longitudinal nuclear grooves (coffee bean nuclei) lying in abundant fibrous stroma. The coffee bean nuclei are the nuclear grooves exceptionally pathognomonic to the sex cord stromal tumour, the ovarian granulosa cell tumour, with the fluid-filled spaces Call–Exner bodies ...
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process. [5]
In children, abdominal x-ray is indicated in the acute setting: Suspected bowel obstruction or gastrointestinal perforation; Abdominal x-ray will demonstrate most cases of bowel obstruction, by showing dilated bowel loops. [1] Foreign body in the alimentary tract; can be identified if it is radiodense. [1] Suspected abdominal mass [1]