Head and neck fascial spacesDownloads

A 3-year-old girl is brought to the emergency department by her parents with sudden onset shortness of breath. They tell the emergency physician that their daughter was lying on the bed watching television when she suddenly began gasping for air. They observed a bowl of peanuts lying next to her when they grabbed her up and brought her to the emergency department. Her respirations are 25/min, the pulse is 100/min and the blood pressure is 90/65 mm Hg. The physical findings as of now are apparently normal. She is started on oxygen and is sent in for a chest X-ray. Based on her history and physical exam findings, the cause of her current symptoms would be seen on the X-ray at which of the following sites?

A 26-year-old woman presents to the medicine clinic with swelling around the right side of her chin and neck (Image A). She reports pain when moving her jaw and chewing. Her symptoms developed two days after receiving an uncomplicated tonsillectomy. She has been followed by a general medical physician since birth and has received all of her standard health maintenance procedures. Vital signs are stable with the exception of a temperature of 38.4 degrees Celcius. The area in question on the right side is exquisitely tender. The remainder of her exam is benign. What is the most likely diagnosis?