👉 A tracheocele is a defect in the development of the trachea. It occurs when the baby's trachea (windpipe) does not develop fully or properly, leading to difficulty breathing and other respiratory problems. In children, tracheoceles can be caused by birth defects, infections, or malformations of the head and neck. In adults, it may be due to a condition called tracheoesophageal fistula, which occurs when the trachea
