Hypoplastic or absent mandibular frenulum: a new predictive sign of infantile hypertrophic pyloric stenosis.
case_control · Level III
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Abstract
Among 25 patients with hypertrophic pyloric stenosis, a hypoplastic or absent mandibular frenulum was noted in 92%, compared with 1.6% of 319 control infants (P <.001). This previously unrecognized sign may prove helpful in identifying newborns at risk of developing the disorder.
Medical subject headings
- Labial Frenum
- Pyloric Stenosis