Solid pseudopapillary tumor of pancreas in a male child: a diagnosis by fine needle aspiration cytology.

Solid pseudopapillary tumor (SPT) is an uncommon pancreatic neoplasm with low malignant potential. It occurs predominantly in young women. It is very rare in males and nonrelated pediatrics.

Recurrent low-grade astroblastoma with signet ring-like cells and high proliferative index.

Astroblastoma is a rare primary glial tumor of children and young adults. Radiologically astroblastoma presents as a large well-circumscribed supratentorial, solid-cystic heterogeneous mass. Histology shows perivascular pseudorosettes with hyalinization.