A casefocused Otolaryngology primer for trainees and practicing clinicians alike As disorders of the head and neck continue to become more prevalent otolaryngologic head and neck surgeons are in greater demand than ever before. Many schools of medicine are integrating ProblemBased Learning PBL to help students develop the skills necessary for surgical management of head and neck conditions yet the selection of guidebooks available to trainee otolaryngologic surgeons is limited. Essential Cases