Rathke cleft cyst. MRI criteria for presumptive diagnosis.

Objective: To define MRI criteria for the presumptive diagnosis of Rathke cleft cyst (RCC).

Methods: One hundred and three patient MRI scans suggesting RCC performed between January 2005 and January 2011 were retrospectively reviewed for indications, cyst location, T1 and T2 signal intensity, dimensions, encroachment on optic chiasm, enhancement pattern, and stability over a year.

Results: Of the 103 patients analyzed, the suggestion of RCC was an incidental finding in 82.

Body mass index as an indicator of obstructive sleep apnea in pediatric Down syndrome.

Objective: Our objective was to determine if higher body mass index (BMI) increases the likelihood of, obstructive sleep apnea (OSA) in pediatric Down syndrome (DS) patients.

Methods: We performed a, retrospective chart review of 63 DS patients evaluated by overnight polysomnography from December 1995 to February 2005. Patients aged less than 2 years were excluded.