Study Design: A 7-year-old ambulatory girl with complete bilateral agenesis of the ilium is reported.

Objective: To document the clinical evolution and the spino-pelvic balance of a girl with bilateral agenesis of the ilium.

Summary Of Background Data: Scapuloiliac dysostosis is a rare focal skeletal dysplasia consisting in hypoplasia of ilium and scapula.

Methods: A 7-year-old girl with a short stature was referred to our clinic at 35 months of age for an asymptomatic lumbar hyperlordosis. She presented a waddling gait, and normal range of motion of her upper and lower limbs. The neurologic examination was within normal limits.

Results: Initial radiographs at 35 months of age showed complete bilateral agenesis of the ilium with preservation of the pubis, ischium, and sacrum, associated with a bilateral high hip dislocation. The lumbar lordosis and sacral slope were 89 degrees and 84 degrees, respectively. A radiographic skeletal survey also showed hypoplasia of both scapulae. At 7 years old, the girl was fully ambulatory, with a waddling gait and had no pain. The sacral slope and lumbar lordosis have increased to 97 degrees and 97 degrees, respectively. There was no evidence of spondylolisthesis. So far, the patient has required no treatment for her condition.

Conclusion: This article reports a unique case of scapuloiliac dysostosis with complete bilateral agenesis of the ilium in an ambulatory girl. This case indicates that a functional gait is possible with bilateral congenital absence of the ilium, provided that there is adequate muscular support and normal neurologic function.

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Source
http://dx.doi.org/10.1097/01.brs.0000169448.58989.a1DOI Listing

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