A concerned mother brings her 3-week-old child to you because he is having difficulties

breathing. You refer the mother and her child to a physician. Upon laryngeal examination, the

physician notices that a membrane has grown across the anterior portion of the glottis. The

physician informs the mother that this problem may be either congenital or acquired and that

surgery is required to remove the membrane. According to the physician, the diagnosis would

be

hyperkeratosis.

B.

leukoplakia...
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