RADIOLOGY: HEAD: Case# 33044: PERITONSILLAR ABSCESS. This patient is a 25 year old female with neck pain. A 1.5 x 3.2 cm fluid collection with an enhancing rim is seen within the left paratonsillar region. This extends approximately 4 cm in a cephalocaudad dimension and again slightly below the fossa of Rosenmuller and ends above the epiglottis. This fluid collection extends approximately 6 mm across the midline. There is no evidence of osteomyelitis. No other abnormalities are seen in the neck.