Rare Diseases

Different types of rare diseases

What are Rare Diseases?

Rare Diseases are diseases that occur in less than 200,000 people in USA.

Although the definition and number vary from country to country, the basic concept is same, that is, a rare disease affects only a few people in a population. However, if we see the big picture, there are more than 7,000 rare diseases that affect about 25-30 million Americans (data source: NIH).

Cardiovascular

Rare diseases affecting mainly heart, blood vessels (arteries & veins) and blood cells.

Gastrointestinal

Rare Diseases affecting gastrointestinal system organ and tissues such as mouth, esophagus, stomach, pancreas, liver, intestines, etc.

Endocrine

Rare Diseases affecting endocrine glands such as thyroid glad, pituitary gland, adrenal gland, pancreas, ovary, testis, etc.

Integumentary

Rare Diseases affecting integumentary systems and related exocrine glands, such as, skin, hair, nails, sweat glands, etc.

Immune & Lymph

Rare Diseases affecting immune system cells (T Cells, B Cells, Macrophages), lymphatic tissues and associated tissues.

Muscular

Rare diseases affecting skeletal muscles, smooth muscles, cardiac muscles and other connective tissue supporting muscular system.

Nervous System

Rare diseases affecting central nervous system (brain and spinal cord) and peripheral nervous system.

Urinary

Rare Diseases affecting urinary system organ and tissues such as kidney, urinary bladder, ureter, urethra.

Reproductive

Rare Diseases affecting human reproductive organ and tissues such as gonads (testis & ovary), uterus, Fallopian tube, cervix, genitals, etc.

Respiratory

Rare diseases affecting respiratory systems that include nose, pharynx, larynx, bronchi, trachea, lungs, etc.

Skeletal

Rare Diseases affecting bones, cartilage, ligaments, joints and related tissues.

Multi-Organs

Rare Diseases affecting multiple organs, such as some kind of cancers that affects many organs.

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