A twisting of the intestine causing obstruction; if left untreated may result in vascular compromise of the involved intestine. [L. volvo, to roll]
- cecal v. rotation and twisting of the cecum toward the left upper quadrant, with ascending colon obstruction; associated with a cecum on a long mesentery.
- gastric v. twisting of the stomach that may result in obstruction and impairment of the blood supply to the organ; it can occur in paraesophageal hernia and occasionally in eventration of the diaphragm. See organoaxial.
- mesenteroaxial v. a type of gastric v. in which the axis of twist is parallel to the line of the gastric mesentery. SEE ALSO: organoaxial.
- sigmoid v. relatively common location of v., with obstruction either proximal or distal to the sigmoid segment.

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vol·vu·lus 'väl-vyə-ləs n a twisting of the intestine upon itself that causes obstruction compare ILEUS

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twisting of part of the digestive tract, usually leading to partial or complete obstruction and sometimes reducing the blood supply, causing gangrene. A volvulus may untwist spontaneously or by manipulation, but surgical exploration is usually performed. Gastric volvulus is a twist of the stomach, usually in a hiatus hernia. Small-intestinal volvulus is twisting of part of the bowel around an adhesion. Sigmoid volvulus is a twist of the sigmoid colon, usually when this loop is particularly long. Compound volvulus (or ileosigmoid knotting) involves both the small and the large bowel.

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vol·vu·lus (volґvu-ləs) [L. volvere to twist round] obstruction due to a knotting and twisting of part of the gastrointestinal tract.

Volvulus of the colon, visualized by means of a barium enema.

Medical dictionary. 2011.

Look at other dictionaries:

  • Volvulus — est un mot latin pour indiquer le retournement d un tube sur lui même en faisant une boucle qui s étrangle à la base. Ce terme est utilisé en médecine appliqué au tube digestif[1] pour désigner certains cas d obstruction mécanique au transit… …   Wikipédia en Français

  • Volvulus — Classification and external resources An xray of a person with a small bowel volvulus. ICD 10 K56.2 …   Wikipedia

  • volvulus — [ vɔlvylys ] n. m. • 1685; lat. sc., de volvere « rouler » ♦ Méd. Torsion d un organe creux entraînant son obstruction. Volvulus gastrique, intestinal. Volvulus de la vésicule biliaire. ● volvulus nom masculin (latin volvere, rouler) Torsion d un …   Encyclopédie Universelle

  • volvulus — VÓLVULUS s.n. Ocluziune intestinală provocată de o răsucire a intestinului subţire sau a colonului pelvian, care are drept consecinţă tulburări grave ale circulaţiei, necroza peretelui intestinal etc. – Din volvulus. Trimis de ana zecheru,… …   Dicționar Român

  • Volvulus — Vol vu*lus, n. [NL., fr. L. volvere to turn about, to roll.] (Med.) (a) The spasmodic contraction of the intestines which causes colic. (b) Any twisting or displacement of the intestines causing obstruction; ileus. See {Ileus}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Volvŭlus — Volvŭlus, so v.w. Darminvagination …   Pierer's Universal-Lexikon

  • Volvŭlus — (Darmverschlingung), s. Darmverschluß …   Meyers Großes Konversations-Lexikon

  • volvulus — 1670s, medical Latin, from L. volvere “to turn, twist” (see VULVA (Cf. vulva)) …   Etymology dictionary

  • VOLVULUS — VOLVULUS, см. Заворот кишок …   Большая медицинская энциклопедия

  • volvulus — vȍlvulus m DEFINICIJA pat. strangulacijski ileus koji nastaje ako se crijevna vijuga zaokrene oko svoje osnovice ETIMOLOGIJA lat.: zavrtaj, zaokret, torzija ← volvere: zakrenuti …   Hrvatski jezični portal

  • volvulus — [väl′vyo͞o ləs] n. [ModL < L volvere, to roll: see WALK] a twisting or displacement of the intestines resulting in intestinal obstruction …   English World dictionary

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