malrotation


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malrotation

 [mal″ro-ta´shun]
abnormal or pathologic rotation, as of the vertebral column; failure of normal rotation of an organ, as of the gut, during embryological development.

mal·ro·ta·tion

(mal'rō-tā'shŭn),
Failure during embryonic development of normal rotation of all or part of an organ or system such as midgut or kidney.

mal·ro·ta·tion

(mal'rō-tā'shŭn)
Failure during embryonic development of normal rotation of all or part of an organ or system such as the midgut or kidney.
References in periodicals archive ?
Although abdominal ultrasound (US) is used initially for diagnosis of malrotation, the appearance of abnormal positioning of superior mesenteric artery (SMA) and vein (SMV), whirlpool sign of SMA and duodenal distention in computerize tomography (CT) are characteristic findings for definitive diagnosis [1].
One of the anatomic abnormalities which is observed in HSKs is malrotation. The most common occurrences are incomplete rotations or non-rotations, but we can also observe hyper-rotation or reverse rotation.
Keywords: Clinical diagnosis, Laparroscopy, Left-sided acute appendicitis, Malrotation of Mid-Gut, Situs inversus.
Intestinal malrotation develops as a result of a deficient rotation and fixation of the midgut segment after its passage through the umbilicus and return to coelomic space.
The small bowel is present in the right side of the abdomen, consistent with the patient's history of malrotation (Figure 6).
If the patient has adequate defecation and minimal gastrointestinal decompression, the intestinal tract is not affected by intestinal atresia, intestinal malrotation, or other complications.
(4) It has, however, been described to occur on the left in various clinical situations where the appendix may be found on the left side (situs inversus, intestinal malrotation, a long appendix or a very mobile caecum).
Localization of the SMA below its normal position, presence of malrotation in the duodenum, short Treitz ligament, cancer leading to rapid weight loss, burns, previous surgical operation or psychiatric disorder and associated loss of mesenteric adipose tissue, aneroxia nervosa or presence of scoliosis may be involved in the etiology of this rare syndrome (3, 4).
MRI was done which confirmed the findings plus also revealed vaginal atresia and malrotation of right kidney which leads to the diagnosis of Mayer-Rokitansky-Kster-Hauser (MRKH)syndrome.
Horseshoe kidney (HSK) is a benign malformation characterized by three anatomic abnormalities: ectopia, malrotation, and vascular changes.
Intestinal volvulus secondary to malrotation is a serious and life threating condition in newborn babies.
Similar to adults, malrotation in children is also most commonly observed in the sigmoid colon, while in cecal volvulus, it is seen in 20%-40% of cases (3).