Congenital agenesis of all the nasal cartilages.

UNLABELLED: With the exception of septal deviation, congenital anomalies of the nasal cartilages constitute a small fraction of all congenital nasal anomalies. This report presents a patient with isolated agenesis of all the nasal cartilages, which has never been recorded previously. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.