familial osteodysplasia, anderson type familial osteodysplasia, anderson type familial osteodysplasia, anderson type is a rare genetic disorder which is characterized by cranio-facial dysmorphisms and multiple skeletal anomalies. hyperuricemia, hypertension and high erythrocyte sedimentation rates have also been reported. approximately 6 cases have been reported in medical literature. this disorder is thought to be inherited in an autosomal recessive manner. familial osteodysplasia, anderson typespecialtymedical geneticstypesit is a type of osteodysplasia, and it doesn't have any subtypes itself.preventionnoneprognosisgoodfrequencyvery rare, only 6 cases have been reported in medical literature. description people with this disorder often show the following symptoms: craniofacial underdevelopment of midface flat, broad nasal bridge thin, prognathic mandible pointy chin malocclusion underdeveloped teeth skeletal scoliosis thinning of the calvaria pointy spinous processes clinodactyly phalangeal dysplasia additional symptoms include hyperuricemia, high erythrocyte sedimentation rates and hypertension. etimology this condition was first discovered in 1972 by l g anderson et al. and j s buchignani et al. described the case of 5 siblings and their dad, 4 out of the 5 siblings had recurrent mandibular fractures and cranio-facial dysmorphisms, such as prominent earlobes. these 4 siblings also had hyperuricemia and 3 out of those 4 siblings had hypertension. their father had hyperuricemia and hypertension but was otherwise unaffected. the siblings were the result of consanguineous irish parents.