The nose is the most noticed part of a human face. Cleft nasal deformity is indeed a challenging task for the surgeons as it involves skin, mucosa, cartilage and skeletal structures etc. The appropriate approach regarding the cleft nasal deformity correction is debated till date. In 1931 Blair and Brown first described cleft nasal deformity.
CAUSE The causes are mainly a combination of intrinsic and extrinsic factors such as mesenchymal migration and mechanical stresses. A cleft lip is a formedby failure in the fusion of the medial and lateral nasal prominences with the maxillary prominence during intrauterine development. Studies have shown that the medial nasal process remains underdeveloped and fails to fuse with the maxillary process in cleft patients. As embryogenesis continues, the unopposed forces, created by the development of the irregular orbicularis muscle further define the…
