35 year old male with frontal lobe mass, specimen was cystic

15Y/F. Both the Twins affected. Frontal lobe SOLs.

This 4 year old girl began to develop pubic hair around age 3 and by age 4 had developed breast buds. She was well above the 95th percentile in height and weight. A bone scan showed a bone age of 11 years. As part of the work-up for precocious puberty, she received an MRI scan of her brain. Following this, difinitive surgery for the condition was performed. Diagnose the HP images posted of the specimen.

A frozen section of a subtotal resection from brain tumor was undertaken with residual tumor remaining in the patient. Diagnose the histopathological slides.

45 Male Fronto Parietal mass ; Slides for Discussion