<prompt> Which of the following is a pathological calcification?Suprasellar calcificationBasal ganglia calcificationPineal body calcificationChoroid calcification  <response>: A brain tumor derived from the pituitary gland, derived from nests of epithelial cells of Rathkes pouch. Calcium deposits are evident in x-ray. suprasellar tumors form a separate entity as far as ... These tumors are paly solid and cystic and can have dense areas of calcification. Ref Robbins 9e p 16 