Journal of pediatric urology · 2013
Shortened pubic bones in bladder exstrophy: a congenital or acquired phenomenon?
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Stephens Linda, Mantovani Alberto, Keene David J B, Dickson Alan P, Khan Tahir, Shabani Abdusamea, Cervellione Raimondo M
Аннотация
OBJECTIVE: It is accepted that the length of the anterior segment of the pelvis in classic bladder exstrophy is shorter than that of controls. However, studies performed involve children with a wide range of ages. By studying children with classic bladder exstrophy under the age of 1 year, the authors aim to ascertain if there is a congenital pubic bone length discrepancy associated with bladder exstrophy.
MATERIAL AND METHODS: Fourteen classic bladder exstrophy patients under 1 year of age and 14 age-matched controls were identified. Three-dimensional (3D) computerized tomography was used to measure the length of the superior pubic ramus bilaterally. In the exstrophy group, scans were performed before bladder closure. The Mann-Whitney U test was used and p < 0.05 was considered significant.
RESULTS: There was no significant difference (p = 0.76) in the median age in cases (72 days) and controls (64 days). The median superior pubic ramus length was 19.1 mm in the exstrophy group and 20 mm in the control group (p = 0.99).
CONCLUSIONS: Superior pubic ramus length in children under 1 year of age with classic bladder exstrophy is not statistically different from that in control subjects. Therefore, the authors hypothesize that the previously described shortening of the pubic bones is an acquired phenomenon, which may develop after the first year of life.
MATERIAL AND METHODS: Fourteen classic bladder exstrophy patients under 1 year of age and 14 age-matched controls were identified. Three-dimensional (3D) computerized tomography was used to measure the length of the superior pubic ramus bilaterally. In the exstrophy group, scans were performed before bladder closure. The Mann-Whitney U test was used and p < 0.05 was considered significant.
RESULTS: There was no significant difference (p = 0.76) in the median age in cases (72 days) and controls (64 days). The median superior pubic ramus length was 19.1 mm in the exstrophy group and 20 mm in the control group (p = 0.99).
CONCLUSIONS: Superior pubic ramus length in children under 1 year of age with classic bladder exstrophy is not statistically different from that in control subjects. Therefore, the authors hypothesize that the previously described shortening of the pubic bones is an acquired phenomenon, which may develop after the first year of life.