Lace deformities can be caused by a variety of factors. When they are associated with a previous surgery, they can be derived from a very violent dorsal reduction or a collapse of support septal due to violent septoplasty with failure to leave a strut with sufficient form of l. occasionally, an attempt to perform a septoplasty flow by a severe septal flow deflection, can cause a small deformity supratipa. Etiologies not surgical include septal hematomas that lead to formations of abscess and resorption of cartilage resulting, abuse of cocaine, granulomatous disease syphilis.
