Facial Plast Surg 2022; 38(05): 509-513
DOI: 10.1055/s-0041-1736145
Original Research

Inaccuracy of Standard 2D Photography for the Diagnosis of Cephalic Malposition of Lateral Crural Cartilages

Shahin Bastaninejad
1   Otolaryngology Research Center, Tehran University of Medical Sciences, Tehran, Iran
,
Ardavan Tajdini
1   Otolaryngology Research Center, Tehran University of Medical Sciences, Tehran, Iran
,
1   Otolaryngology Research Center, Tehran University of Medical Sciences, Tehran, Iran
› Author Affiliations
Funding None.

Abstract

Lateral crural cephalic malposition (LCCM) is a well-known deformity of the nasal tip which contributes to functional disturbances of the external nasal valve. Accurate diagnosis of this deformity helps surgeons plan for better outcomes. A total of 176 candidate patients for primary rhinoplasty underwent standard 2D medical photography of the face. Senior authors analyzed photography results and differentiated the patients with LCCM. In addition, we measured the angle between the dorsal septum and lateral end of the long axis of the alar cartilage in the operation room. Ninety-five patients were diagnosed with LCCM on photography. As much as 31.3% (55) of all the patients had LCCM in intraoperative measurements. The sensitivity and specificity of 2D photography for diagnosing LCCM were 0.7924 and 0.5391, respectively. The main surgical techniques for correction of LCCM were alar repositioning (34.3% in total, 56% in LCCM patients) and lateral crural strut graft (43.8% in total, 69% in LCCM patients). LCCM is overdiagnosed via 2D photography, and this method lacks sensitivity. The overall frequency of LCCM seems to be lower than the previously reported frequency. For optimal results in rhinoplasty, surgeons must focus on the best contouring and function rather than solely correcting angles and rotations.



Publication History

Article published online:
23 November 2021

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