is a common, noncontagious mouth condition causing recurrent, painful canker sores.

is a heart attack damaging the heart's apex from blocked arteries.

is a rare condition causing absent skin at birth, often scalp.

is a rare genetic disorder with scalp defects and intestinal lymphangiectasia.

is a rare disorder with scalp skin absence (aplasia cutis) and myopia.

is congenital absence of tear and salivary glands causing severe dryness.

is a rare bone marrow failure causing low blood cell counts.

is a genetic disorder causing aplastic anemia, intellectual disability, and short stature.

is pauses in breathing in babies born early from immature brain control.

is a noncancerous sweat gland tumor causing a slow-growing skin bump.

is a noncancerous breast condition with apocrine cell overgrowth, sometimes mimicking cancer.

is a rare cancer arising from apocrine sweat glands, often breast.

is a rare sweat gland cancer that can invade and spread.

is a skin growth from apocrine sweat glands, benign or cancerous.

is a rare congenital absence of one or both feet.

is a rare disorder causing very low HDL cholesterol and heart disease.

is a rare inherited condition affecting fat metabolism, causing low blood triglycerides.

is a hereditary disease with amyloid in brain vessels causing brain bleeds.

is a rare inherited disorder causing childhood hypertension and low potassium.

is a rare appendiceal neuroendocrine (hormone-producing) tumor producing glucagon-like peptides.

is a rare appendix tumor, sometimes cancerous, often found incidentally.

is appendix inflammation causing sudden lower-right belly pain, often requiring surgery.

is a rare cancer of the appendix starting in gland cells.

is a slow-growing neuroendocrine tumor, often found incidentally after appendectomy.