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Butterfly vertebrae have a sagittal cleft through the body of the vertebrae and a funnel shape at the ends. This gives the appearance of a butterfly on an x-ray. It is caused by persistence of the notochord (which usually only remains as the center of the intervertebral disc) during vertebrae formation. There are usually no symptoms.
Other presentations of Alagille's syndrome include butterfly vertebrae, ophthalmic defects, and distinct facial structures. The butterfly vertebrae can be detected with an x-ray, but there typically are no symptoms from this abnormality. Other skeletal defects common in ALGS patients are spina bifida and the fusion of vertebrae. [10]
Diastematomyelia is a "dysraphic state" of unknown embryonic origin, but is probably initiated by an accessory neurenteric canal (an additional embryonic spinal canal.).) This condition may be an isolated phenomenon or may be associated with other segmental anomalies of the vertebral bodies such as spina bifida, kyphoscoliosis, butterfly vertebra, hemivertebra and block vertebrae which are ...
Its five most significant features are chronic cholestasis, a condition where bile cannot flow from the liver to the duodenum, occurring in 95% of cases; heart abnormalities (over 90%); butterfly vertebrae; posterior embryotoxon and a distinctive face (prominent forehead, deep-set eyes, and a pointed chin). [4]
H-shaped vertebrae; Haglund's deformity; Hair-on-end appearance; Half moon sign; Halo sign; Hamburger bun sign; Hampton's hump; Hampton's line; Harris lines; Hatchet head; Head cheese sign; Hidebound appearance; High-attenuation crescent sign; Hilgenreiner's line; Hill Sach's deformity; Hilum convergence sign; Hilum overlay sign; Holly Leaf ...
X-ray of Bertolotti's syndrome (in this case, right transverse mega-apophysis of L5 with pseudoarticulation with the sacral ala). Woman 67 years old. Bertolotti's syndrome is a commonly missed cause of back pain which occurs due to lumbosacral transitional vertebrae (LSTV).
X-ray upper limbs and hands showing mesomelic shortening and brachydactyly (A), gingival hyperplasia (B) and X-ray vertebrae showing hemivertebrae and vertebral fusion. Robinow noted the resemblance of affected patients' faces to that of a fetus, using the term "fetal facies" to describe the appearance of a small face and widely spaced eyes. [1]
French Bulldogs are prone to having congenital hemivertebrae (also called "butterfly vertebrae"), [42] [43] which will show on an X-ray. [44] A review of more than 200,000 patients in the UK found that French Bulldogs had a noticeably higher occurrence of patellar luxation with the French Bulldog having an odds ratio of 5.4. [45]