hepatic flexure


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flexure

 [flek´sher]
a bend or fold.
caudal flexure the bend at the aboral end of the embryo.
cephalic flexure the curve in the mid-brain of the embryo.
cervical flexure a bend in the neural tube of the embryo at the junction of the brain and spinal cord.
colic flexure, left the angular junction of the transverse and descending colon.
colic flexure, right the angular junction of the ascending and transverse colon.
dorsal flexure one of the flexures in the mid-dorsal region of the embryo.
duodenojejunal flexure the bend at the junction of the duodenum and jejunum.
hepatic flexure right colic flexure.
lumbar flexure the ventral curvature in the lumbar region of the back.
mesencephalic flexure a bend in the neural tube of the embryo at the level of the mesencephalon, or mid-brain.
pontine flexure a flexure of the hindbrain in the embryo.
sacral flexure caudal flexure.
sigmoid flexure sigmoid colon.
splenic flexure left colic flexure.

right col·ic flex·ure

[TA]
the bend of the colon at the juncture of its ascending and transverse portions.

right col·ic flex·ure

(rīt kol'ik flek'shŭr) [TA]
The bend of the colon at the juncture of its ascending and transverse portions.
Synonym(s): flexura coli dextra [TA] , hepatic flexure.

hepatic flexure

The bend of the colon under the liver; the junction of the ascending and transverse colon.
Synonym: right colic flexure
See also: flexure
References in periodicals archive ?
Colonic NETs are exceptionally rare especially hepatic flexure of the colon.
Summary of patient and tumor characteristics Characteristics N=53 (%) Age (median) 72 (46-93) Sex Male 35 (66%) Female 18 (34%) Tumor Location Cecum 1 1(21%) Ascending colon 10 (19%) Hepatic flexure 3 (6%) Transverse colon 9 (17%) Splenic flexure 3 (6%) Descending colon 3 (6%) Sigmoid 14 (26%) Tumor Stage T1 0 T2 6 (11%) T3 28 (53%) T4 19 (36%) N0 21 (40%) N1 16 (30%) N2 16 (30%) M1 4 (8%) Dukes A 0 (0%) Dukes B 21 (40%) Dukes C 28 (53%) Dukes D 4 (7%) Median Lymph Node Yield 17 (Range: 5-40) Table 2.
It also supplied a branch to the horizontal part of the duodenum, entered the transverse mesocolon and supplied the hepatic flexure and portions of the ascending and transverse colon.
A barium enema on a 52-year-old woman in April 1994, identified lesions in the colon at the hepatic flexure. Biopsy during colonscopy permitted the histologic diagnosis of colon adenocarcinoma.
Chilaiditi's sign is asymptomatic interposition of the bowel at hepatic flexure of colon between the liver and right hemidiaphragm visible on chest X-ray, which is usually performed for some cardiorespiratory illness.
An ulcerative mass in the hepatic flexure region without obstruction was seen on colonoscopy.
Right colon was defined as cecum, ascending colon, hepatic flexure, and transverse colon.
Caption: Figure 2: Polypoid-tumorous lesion with irregular mucosa, superficial hemorrhages, contact bleeding, and a central ulceration at the hepatic flexure on virtual chromoendoscopy with i-scan.
He underwent colonoscopy, which showed a circumferential malignant-appearing mass at the hepatic flexure. The scope could not pass through the mass.
The new Paris Classification included classifying age at diagnosis as A1a (0 to <10 years), A1b (10 to <17 years), A2 (17 to 40 years), and A3 (>40 years), distinguishing disease above the distal ileum as L4a (proximal to ligament of Treitz) and L4b (ligament of Treitz to above distal ileum), allowing both stenosing and penetrating disease to be classified in the same patient (B2B3), denoting the presence of growth failure in the patient at any time as G1 versus G0 (never growth failure), adding E4 to denote extent of ulcerative colitis that is proximal to the hepatic flexure, and denoting ever severe ulcerative colitis during disease course by S1 (Tables 2 and 3).
Site Phase 1 Phase 2 Cecum 9 11 Ascending colon 15 11 Hepatic flexure 1 3 Transverse colon 1 11 Splenic flexure 2 1 Descending colon 9 9 Sigmoid colon 12 28 Rectum 15 24 Unspecified 14 2 TABLE 3: Additional diagnoses detected at colorectal biopsy for polyps.
The commonest sites of colonic perforation are sigmoid and hepatic flexure, these being the most difficult areas to negotiate with the scope.