is a frontotemporal dementia causing early behavior, personality, and language changes.

is a rare genetic condition causing patchy pigmentation and neurologic problems.

is a rare genetic skin condition causing lifelong white patches and hair.

is a rare genetic condition causing developmental delays and distinctive features.

is a birth condition causing small jaw, cleft palate, and breathing problems.

is a rare birth condition with jaw, airway, and bone problems.

is a rare birth condition affecting jaw, airway, and branchial arch development.

is a rare birth condition causing jaw, airway, and feeding problems.

is a rare genetic condition affecting facial development, mouth, and digits.

is a rare genetic disorder causing severe kidney and eye problems.

is a rare genetic condition causing severe fluid buildup before birth.

is an allergic lung disease caused by inhaling bird proteins.

causes iris pigment to shed, sometimes raising eye pressure and glaucoma risk.

is a skin condition causing unusual changes in normal skin color.

is an inherited condition causing pigment changes, thick palms/soles, and skin cancer.

is a group of conditions affecting skin, hair, or eye color.

is a common skin cancer that appears darkly pigmented.

is a rare eye disease with vein-parallel retinal scarring and vision changes.

is a rare joint lining growth that causes pain and swelling.

is a group of genetic conditions causing segmental body overgrowth and malformations.

is a rare, harmless skin growth arising from a hair follicle.

is a hair shaft disorder causing split, branching strands of hair.

is a rare hair condition where two hairs grow from one follicle.

is a hair shaft disorder causing twisted, fragile, easily breakable hair.