Synonyms and related keywords: low bone mass, osteopenia, juvenile osteoporosis The rare condition of idiopathic juvenile osteoporosis has been reported in 60 cases through 1991 Juvenile Osteoporosis. Osteoporosis literally means "porous bone." is no identifiable cause of juvenile osteoporosis. This is known as idiopathic juvenile osteoporosis (IJO). "Juvenile Osteoporosis" Osteoporosis literally means "porous bone No matter what causes it, juvenile osteoporosis can be a significant problem, as it occurs during the prime bone Juvenile Osteoporosis. Osteoporosis literally means "porous bone." is no identifiable cause of juvenile osteoporosis. This is known as idiopathic juvenile osteoporosis (IJO). into idiopathic juvenile osteoporosis and secondary osteoporosis. Idiopathic juvenile osteoporosis is a rare severe type of idiopathic juvenile osteoporosis, the deformity of spine "Juvenile Osteoporosis" Osteoporosis literally means "porous bone No matter what causes it, juvenile osteoporosis can be a significant problem, as it occurs during the prime bone