is a rare pituitary tumor that overproduces growth hormone and prolactin.

is a rare tumor that makes too much somatostatin, causing hormone-related symptoms.

is a growth hormone-producing pituitary tumor that can cause acromegaly or gigantism.

is a rare inherited disorder causing sugar buildup and nerve damage.

is an inherited eye disorder causing progressive central vision loss.

is an inherited eye disease causing progressive central vision loss in adulthood.

is a genetic childhood overgrowth condition causing developmental delays and characteristic features.

is a genetic overgrowth condition with rapid growth and developmental delays.

is a rare genetic condition causing overgrowth, learning difficulties, and developmental delays.

is a rare genetic condition causing overgrowth, developmental delay, and learning difficulties.

is an inherited red blood cell condition, usually causing no symptoms.

causes nausea, dizziness, and disorientation during the first days in space.

is a rare parasitic infection caused by tapeworm larvae in tissues.

is a movement disorder causing involuntary muscle spasms and abnormal postures.

is a harmless infant disorder with rapid eye movements and head nodding.

is a movement disorder combining muscle stiffness (spasticity) and poor coordination (ataxia).

is a rare inherited disorder causing stiffness, poor balance, and coordination problems.

is a rare inherited disorder causing progressive balance problems (ataxia) and spasticity.

is a rare inherited disorder causing muscle stiffness and coordination problems.

is a rare inherited disorder causing progressive stiffness, balance, and coordination problems.

is an inherited nerve disorder causing stiffness, poor coordination, and balance problems.

is a rare inherited disorder causing balance problems, stiffness, and weakness.

is a rare inherited disorder causing poor coordination and muscle stiffness.

is a rare inherited condition causing stiffness, balance problems, and small pupils.