St. Bartholomew the Apostle and St. Dymphna are patron saints of those with neurological disorders such as brain tumors.
I see no specific saint for healing of children. However, St. Brigid of Ireland is considered as the patron saint of healers.
Maybe God is trying to tell you something? She is the patron saint of desprate cases, healing wounds, loneliness, and those suffering from tumors.
She will probably be canonized in 2016. Her miracles are:1.) In 2002, the Vatican recognized as a miracle the healing of a tumor in the abdomen of an Indian woman, Monica Besra, after the application of a locket containing Mother Teresa's picture.2.) In December of 2015, the Vatican confirmed that Pope Francis recognized a second miracle attributed to her involving the healing of a Brazilian man with multiple brain tumors.
Patron saint of the pancreas
St. Luke is the Saint after going in to surgery and the saint for Surgeons.
Saint Gerard Majella is often considered the patron saint of sick children. He is known for his miracles in healing the sick and is popularly invoked by those seeking help for ill or hurting children.
There are no patron saints for the general term of healing. However, there are patrons for specific maladies.
There are no patron saints of healing after hip surgery.
The patron saint against venereal disease is St. Fiacre.
Saint Dymphna is often considered the patron saint of those suffering from emotional and nervous disorders. She is known for interceding for those facing mental health challenges and is believed to offer comfort and healing to those in need.
The patron saint against stiff or sore joints is St. Werenfridus.
Yes, Saint William of Rochester is recognized as a patron saint of adopted children, foster children, and parents who have lost children.