Effects of facial lobectomy on goldfish feeding behavior.

The role of the facial lobe (FL) of goldfish in feeding behavior (search, pick up and ingestion) was investigated using the ablation method. Facial lobectomy (FLX) was performed on 10 fish, five of which were also fitted with blinders (BLs). It was found that FLX did not have any apparent effect on feeding behavior; however, this does not rule out some other, undetected and perhaps subtle, role of the FL in the feeding repertoire.

MRI of knee osteonecrosis in children with leukemia and lymphoma: Part 1, observer agreement.

Objective: The aim of this study was to determine whether a new MRI-based staging system for osteonecrosis of the knee in pediatric patients could be used with an acceptable level of intra- and interobserver agreement.

Materials And Methods: We conducted a retrospective analysis of MRI studies of the knee performed in a single institution between April 1994 and July 2003. Knee osteonecrosis was identified in 168 children with a primary diagnosis of hematologic malignancy.