THERE MAY be a need to enlarge the external auditory meatus which can be absent or become insufficient in diameter because of a congenital defect, an acute or chronic infection, previous operative interference, or trauma. There may also be a need for an enlarged view of the middle ear following middle ear or mastoid surgery; for example, following a procedure such as Schuknecht's tympanoplasty.
Present methods for enlarging the external auditory meatus consist of either free grafting of the skin taken from the arm, or just freeing the stenosis by incision, packing the meatus with bismuth iodide paste (BIPP), and inserting polyethylene tubing of suitable diameter or various other dilators.1 The results of these procedures were not encouraging. The graft often shrank beyond what was expected despite generous allowance on cutting. It was often desquamated, sloughed, or became "soggy" and infected. This we felt was due in part to
Heron TG, Dreyer A. External Auditory Meatal Plasty. Arch Otolaryngol. 1968;87(3):243–245. doi:10.1001/archotol.1968.00760060245005
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