Alarplasty, alar base reduction and alar base modification refer to a surgical procedure used to reshape the ala and nostrils, alone or in combination with rhinoplasty, to improve and enhance the overall proportions of the nose. The ala and alar rims are the subunit of the nose that are commonly referred to as the nostrils. Skin and fibrofatty tissue comprise the ala and nostrils, and this nasal subunit actually lacks any cartilage. Given this, the size and shape of the ala is intricately tied to the patient’s skin thickness, as well as the anatomic configuration of the lower lateral cartilage (tip cartilage).
During alarplasty, your surgeon will assess the proportions of your nose, in terms of the tip projection, tip width, length of infratip, length of columella, the width of the ala and nostrils, the flare of the ala and nostrils, and the size and shape of the nostril aperture. All these aspects factor into the placement and design of alarplasty incisions, with some incision placements favoring more reduction of width (sill incisions) while other incision designs (Weir incisions) will favor greater flare reduction. Preserving the natural curvature of the ala and nostril, while optimizing the proportions between the projection, width of the nose and the infratip:columellar ratio will ensure a natural appearing, successful outcome.
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