Abstract

Introduction: Congenital defects of the nasal cartilaginous skeleton are rare, yet clinically relevant, entities that are important to recognize prior to operative repair Methods: A 47 year old woman was referred to our institution for lifelong leftsided nasal airway obstruction. On physical examination, a complete absence of the left lower lateral cartilage was suspected. Hypothesis: Complete congenital absence of the lower lateral cartilage Results: External approach rhinoplasty confirmed the above hypothesis, and reconstruction was performed with autologous septal cartilage. Conclusions: Careful history and physical examination is important in preoperative planning of nasal surgery. External rhinoplasty approach Isolated complete absence of left lower lateral cartilage identified (Figure 2a) Septal cartilage harvested Septal extension graft replaced the left medial crura Lateral crural strut graft replaced the left lateral crura Shield graft to orient and help reconstitute the tip Left domal onlay graft to emphasize left tip highlight Patient pleased with functional and aesthetic outcome Surgical Approach and Results 1. Losee JE, Kirschner RE, Whitaker LA, et al. Congenital nasal anomalies: a classification scheme. Plast Reconstr Surg 2004;113:676-689. 2. Bilkay U, Tokat C, Ozek C. Reconstruction of congenital absent columella. J Craniofac Surg 2004;15(1): 60-63. 3. Mavili ME, Akyurek M. Congenital isolated absence of the nasal columella: reconstruction with an internal nasal vestibular skin flap and bilateral labial mucosa flaps. Plast Reconstr Surg 2000;106(2):393 -399. 4. Yilmaz MD, Altunas A. Congenital vomeral bone defect. Am J Otolaryngol 2005;26(1):64-66. 5. Klinger M. Caviggioli, Klinger F, et al. Isolated congenital absence of the nasal bones and aesthetic surgical correction: managing and case report. Aesth Plast Surg 2005;29(4):246-249. References 47 year old otherwise healthy Latin American female Lifelong left sided nasal airway obstruction No prior facial trauma or surgery Exam showed mild septal deviation, profound nostril asymmetry, and the absence of any palpable cartilage within left side of the nasal tip (Figure 1) Case Presentation Figure 2a. Complete absence of lower lateral cartilage on the left. Figure 2b. Surgical repair with septal extension, lateral crural strut, and domal onlay grafts. Isolated, non-syndromic cases of absent nasal structures is exceedingly rare. No previous reports exist of isolated absence of a lower lateral cartilage. May occur after fusion of mesenchymal components by 10th week of gestation from vascular accident or pressure phenomenon. Despite its rarity, this anomaly reinforces the importance of careful pre-rhinoplasty analysis and familiarity with principles of open structure rhinoplasty. Conclusions Introduction History and physical examination are crucial to appropriate pre-operative planning of functional and cosmetic rhinoplasty Externally, special attention is paid to the characteristics of the skin-soft tissue envelope, the nasal bones, middle nasal vault, and the lower lateral cartilages. Internally, examination of the septum, the internal and external nasal valves, nasal sidewalls, inferior turbinates and the nasal mucosa. Congenital anomalies of the nose can be responsible for nasal airway obstruction and are present in 1/20,000 to 1/40,000 births Figure 1. Asymmetry of external nose noted with basal and frontal views.

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