140 members
Syringomyelia is a chronic disorder of the spinal cord which consists of the formation of a fluid-filled cyst, also known as a syrinx, in the spinal cord. As the cyst enlarges over tim...
239 members
Under the name of common variable immunodeficiency (CVID) are enclosed a group of disorders of the immune system with different underlying causes but similar symptoms. This syndrome is character...
198 members
Antisynthetase syndrome is a rare, chronic, inflammatory autoimmune disorder that affects the muscles and other parts of the body. An autoimmune disorder is one where the body’s own immune...
54 members
Darier disease, also known as keratosis follicularis, is a rare genetic disorder of the skin. It is characterized by skin lesions that consist of thickened, scaly bumps which can be yellow or br...
296 members
104 members
Fibromyalgia is a disorder characterized by the core symptoms of chronic widespread pain, tenderness, fatigue, sleep disturbance, and cognitive disturbance. The severity of each differs between ...
378 members
Systemic Capillary Leak Syndrome (SCLS) is an exceedingly rare, life- and limb-threatening disorder characterized by acute and severe recurrent attacks featuring a rapid fall in blood pressure d...
134 members
Birdshot Chorioretinopathy is a rare progressive condition characterized by vitritis (inflammation) and multiple ovoid spots, which are typically orange in colour and hypopigmented, in the eye. ...
205 members
Chromosome 4q Deletion Syndrome is a rare chromosomal disorder where a portion of the 4th chromosome long arm (4q) is deleted. This can occur either in the middle of the chromosome arm (“i...
54 members
Addison´s disease is a rare endocrine or hormonal disorder characterized by a diminished production of hormones by the adrenal glands. The adrenal gl...
77 members
Dent disease is a rare X-linked recessive, chronic kidney condition found almost exclusively in males. The severity of the disease and the specific symptoms can vary. Females, who can be carrier...
67 members
Adrenoleukodystrophy is a rare disease characterized by progressive brain damage and failure of the adrenal glands.
107 members
Muckle-Wells syndrome (MWS) is an hereditary autoinflammatory disease with periodic fevers caused by mutations in the NLRP3 gene. It is considered a cryopyrin-associated syndrome (CAPS)...
58 members
Microduplication 22q11.2 syndrome is caused by an extra copy of a small piece of chromosome 22 at location q11.2.
52 members
Chromosome 13q deletion is a rare genetic disorder in which a piece of genetic material from the long arm (q) of one of the two chromosome 13s is missing. The symptoms and severity of the disord...
59 members
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare cancer that affects certain cells of the immune system called dendritic cells. The immune system is the natural defense of the body...
214 members
15q26 deletion is a genetic condition in which a small piece of DNA (genetic material) is missing from one of the 46 chromosomes, specifically from the q (long arm) of chromosome 15. Depen...
72 members
The spinal cord is a part of the nervous system that extends down the vertebral column. The spinal cord is divided into thirty one segments. From each segment, two sets of nerves emerge that are...
250 members
Large granular lymphocyte leukemia or LGLL is a rare cancer of a type of white blood cells called lymphocytes. Lymphocytes are part of the immune system, the natural defense of the body that hel...
56 members
Each human cell stores its genetic material (DNA) in chromosomes. All normal human cells have 23 pairs of chromosomes with the exception of sperm or egg cells that have 23 single chromosomes. Al...