Atypical juvenile parkinsonism is a very rare neurological condition that presents as an early-onset movement disorder with parkinsonian features acco...

Atypical lichen myxedematosus is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Atypical lymphoproliferative disorder is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited...

atypical Meigs syndrome is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Atypical neurofibroma is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Atypical Norrie disease due to monosomy Xp11.3 is an extremely rare condition. Because few cases have been documented, detailed clinical information i...

atypical pantothenate kinase-associated neurodegeneration is an extremely rare condition. Because few cases have been documented, detailed clinical in...

Atypical progressive supranuclear palsy syndrome is an extremely rare condition. Because few cases have been documented, detailed clinical information...

Atypical Rett syndrome is a neurodevelopmental disorder that presents with features similar to classic Rett syndrome but without fulfilling all its di...

Atypical teratoid rhabdoid tumor (ATRT) is a highly malignant tumor of the central nervous system that occurs almost exclusively in children. This agg...

Atypical Werner syndrome is a condition within the spectrum of progeroid syndromes, in which individuals exhibit features of premature aging and devel...

Audiogenic seizures is a rare neurologic condition in which seizures are triggered by sound, such as sudden noises, music, or even voices. The conditi...

Auditory neuropathy is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited. It is characteri...

Auditory neuropathy, autosomal dominant 2 is associated with variants in the ATP11A gene, which is known to play a role in auditory function. This con...

Auditory neuropathy, autosomal dominant 3 is associated with variants in the TMEM43 gene, which is known to play a role in auditory function. This con...

Auditory neuropathy-optic atrophy syndrome is a very rare inherited condition in which changes in the FDXR gene damage the mitochondria, the parts of...

Auditory system disorder is a condition that affects the structures involved in hearing and sound processing. The underlying causes remain under inves...

Au-Kline syndrome is a complex congenital disorder that affects multiple body systems, including aspects of craniofacial, skeletal, genitourinary, and...

Aural atresia, congenital is a rare condition that is present at birth and affects the development of the ear. The name of the condition suggests that...

auricular abnormalities-cleft lip with or without cleft palate-ocular abnormalities syndrome is an extremely rare condition. Because few cases have be...