Alzheimer disease type 1 is a familial form of Alzheimer disease and is sometimes referred to as the early-onset familial form of Alzheimer disease. I...

Alzheimer disease without neurofibrillary tangles, also known as AD15 or Alzheimer's disease type 15, is a rare variant noted in genetic databases. Un...

Amastia is an extremely rare condition characterized by the absence of one or both mammary glands. Because few cases have been documented, detailed cl...

Amaurosis-hypertrichosis syndrome is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Ambras type hypertrichosis universalis congenita is a congenital skin condition characterized by the pervasive presence of fine, vellus-type hair cove...

AMED syndrome, digenic is a complex, multisystem disorder that affects the blood and immune system, endocrine function, growth, the skin, and the nerv...

Amelia of lower limb is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Amelia of lower limb, bilateral is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Amelia of lower limb, unilateral is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Amelia of upper limb is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Amelia of upper limb, bilateral is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Amelia of upper limb, unilateral is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

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

Ameloblastoma is the most common odontogenic tumor, arising from the epithelial component of the developing tooth and most frequently affecting the mo...

Amelocerebrohypohidrotic syndrome, also known as Kohlschutter–Tonz syndrome, is a multisystem neurodevelopmental condition that affects the brain, tee...

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

Amelogenesis imperfecta hypomaturation type 2A2, also known as AI2A2 or MMP20 amelogenesis imperfecta, is a dental enamel disorder that primarily affe...

Amelogenesis imperfecta hypomaturation type 2A3 is a dental condition in which the quality of tooth enamel is affected due to mutations in the WDR72 g...

Amelogenesis imperfecta hypomaturation type 2A4 is a dental condition that affects the formation and quality of tooth enamel. It is caused by mutation...

Amelogenesis imperfecta hypomaturation type 2A5 is a dental condition that primarily affects enamel formation, resulting in abnormally developed and d...