Adult polyglucosan body disease body disease do not have identified mutations in the "GBE1" gene. In these individuals, the cause of the disease is unknown. Along with evaluation of the symptoms and a neurological examination, a diagnosis can be made based on genetic testing. Whether or not a person is making sufficient amounts of functional glycogen branching enzyme can be determined by taking a skin biopsy and testing for activity of the enzyme. Examination of tissue biopsied from the sural nerve under a microscope can reveal the presence of polyglucosan bodies. There will also be white matter changes visible in a magnetic resonance imaging
Julian Ritter Camp Pickett but was reassigned to the 1st Battalion which was later re-designated as the 2829th Battalion. The 40th Engineers received additional training at Fort Pierce, Florida, and then deployed to the Gulf of Oran, Algeria, for further training. He took part in the invasion of Sicily. Based on his military service, Ritter became a US citizen on October 30, 1943. He attained the rank of Technician Fourth Grade (T4) and served at both Regimental headquarters and the headquarters of the 1st/2829th Battalion. In October 1945 Ritter returned to Los Angeles to paint and to raise a family. When Ritter