Juvenile idiopathic arthritis (JIA) is a group of chronic inflammatory joint disorders that begin before the age of 16 and persist for more than six w...

Juvenile idiopathic inflammatory myopathy (JIIM) is a condition characterized by muscle inflammation that typically presents in childhood. Although sp...

Juvenile myasthenia gravis is an autoimmune condition of the neuromuscular junction that leads to muscle weakness, often affecting the eyes and someti...

Juvenile myelomonocytic leukemia is a myelodysplastic/myeloproliferative neoplasm seen in childhood that involves the uncontrolled proliferation of gr...

Juvenile myoclonic epilepsy is a hereditary idiopathic generalized epilepsy that primarily affects the central nervous system. It is characterized by...

Juvenile nasopharyngeal angiofibroma (JNA) is a benign yet locally aggressive fibrovascular tumor that arises from the posterolateral wall of the naso...

Juvenile nephropathic cystinosis is an intermediate form of cystinosis, a metabolic disorder marked by the accumulation of cystine in lysosomes that p...

Juvenile neuronal ceroid lipofuscinosis (JNCL), also known as Batten disease, Spielmeyer-Vogt disease, or juvenile NCL, is a rare group of disorders t...

Juvenile-onset diabetes mellitus-central and peripheral neurodegeneration syndrome is a highly uncommon condition that affects multiple systems, parti...

Juvenile-onset Parkinson disease is a condition that primarily affects motor function in younger individuals. Although detailed prevalence information...

Juvenile onset Parkinson disease 19A is a neurological condition caused by mutations in the DNAJC6 gene. It is characterized by the early appearance o...

Juvenile-onset Steinert myotonic dystrophy is a condition that is reported to affect neuromuscular function, though specific details regarding affecte...

Juvenile open angle glaucoma is a rare form of glaucoma that affects the eye and is characterized by an early onset, severe elevation of intraocular p...

Juvenile or adult CACH syndrome is a condition with an unclear clinical profile and variable presentation, affecting individuals during adolescence or...

Juvenile overlap myositis is a rare juvenile idiopathic inflammatory myopathy that primarily affects children. The condition is characterized by infla...

Juvenile Paget disease is a very rare bone disorder characterized by an abnormal increase in bone turnover that results in skeletal deformities, growt...

Juvenile pilocytic astrocytoma is a type of brain tumor that typically occurs during adolescence. This condition is characterized by a generally slow-...

Juvenile polymyositis (JPM) is an idiopathic inflammatory myopathy that primarily affects children, leading to muscle weakness. While the exact cause...