Kienbockâs is avascular necrosis of the lunate, which a central bone of the wrist, or radiocarpal joint. The lunate articulates directly with the radius (one of two bones in the lower arm) and has key ligament attachments that stabilize the wrist area.
Auditory Processing Disorder: Related Medical Conditions. To research the causes of Auditory Processing Disorder, consider researching the causes of these these diseases that may be similar, or associated with Auditory Processing Disorder:1  Congenital cholesteatoma.2  Presbycusis.3  Measeles.4  Mumps.o research the causes of Auditory Processing Disorder, consider researching the causes of these these diseases that may be similar, or associated with Auditory Processing Disorder: 1  Congenital cholesteatoma. 2  Presbycusis. 3  Measeles. 4  Mumps.
Auditory Processing Disorder Defined. Auditory Processing Disorder (APD) describes the inability to process the meaning of sound. This condition is often present from early childhood, leading to a number of difficulties as the child becomes older and messages become complex and are given more quickly.