to the right. An operation to straighten the nasal septum is known as a septoplasty. A perforated nasal septum can be caused by an ulcer, trauma due to an inserted object, long-term exposure to welding fumes, or cocaine use. There is a procedure that can be of help to those suffering from the perforated septum. A silicone button can be inserted in the hole to close the open sore. The nasal septum can be affected by both benign tumors such as fibromas, and hemangiomas, and malignant tumors such as squamous cell carcinoma. Cosmetic procedures A nasal septum piercing is usually carried out through the fleshy columella close to the end of the nasal septum. References External links – "Diagram of the skeleton of the medial (septal) nasal wall" Diagram at evmsent.org () Nose