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VMCM appears to be a rare disorder, although its prevalence is unknown.
Dermatofibrosarcoma protuberans is an uncommon cancer in which tumors arise in the deeper layers of skin. The tumor usually starts as a small, firm patch of skin; it may be purplish, reddish, or flesh-colored. It is commonly found on the torso, usually in the shoulder and chest area. The tumor typically grows slowly bu...
What are the signs and symptoms of Negative rheumatoid factor polyarthritis? The Human Phenotype Ontology provides the following list of signs and symptoms for Negative rheumatoid factor polyarthritis. If the information is available, the table below includes how often the symptom is seen in people with this condition....
This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder.
Gillespie syndrome can be caused by mutations in the PAX6 gene. The PAX6 gene provides instructions for making a protein that is involved in early development, including the development of the eyes and brain. The PAX6 protein attaches (binds) to specific regions of DNA and regulates the activity of other genes. On the ...
Some individuals with dysgraphia improve their writing ability, but for others, the disorder persists.
Globozoospermia is a rare form of male infertility. Men affected by this condition have abnormal sperm with a round (rather than oval) head and no acrosome (a cap-like covering which contains enzymes that break down the outer membrane of an egg cell). As a result of these abnormalities, the sperm are unable to fertiliz...
3MC syndrome is a rare disorder; its exact prevalence is unknown.
Hypotrichosis simplex is a rare form of hereditary hair loss without other abnormalities. Affected individuals typically show normal hair at birth, but experience hair loss and thinning of the hair shaft that starts during early childhood and progresses with age. Hypotrichosis simplex can be divided into 2 forms: the s...
This condition is inherited in an X-linked recessive pattern. The gene associated with this condition is located on the X chromosome, which is one of the two sex chromosomes. In males (who have only one X chromosome), one altered copy of the gene in each cell is sufficient to cause the condition. In females (who have t...
Age, gender, and Epstein-Barr infection can affect the risk of adult Hodgkin lymphoma. Anything that increases your risk of getting a disease is called a risk factor. Having a risk factor does not mean that you will get cancer; not having risk factors doesn't mean that you will not get cancer. Talk with your doctor if ...
Juvenile osteoporosis is a condition of bone demineralization characterized by pain in the back and extremities, multiple fractures, difficulty walking, and evidence of osteoporosis. Symptoms typically develop just before puberty. Osteoporosis is rare in children and adolescents. When it does occur, it is usually cause...
What are the signs and symptoms of Hypomagnesemia 2, renal? The Human Phenotype Ontology provides the following list of signs and symptoms for Hypomagnesemia 2, renal. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medic...
The classic forms of 21-hydroxylase deficiency occur in 1 in 15,000 newborns. The prevalence of the non-classic form of 21-hydroxylase deficiency is estimated to be 1 in 1,000 individuals. The prevalence of both classic and non-classic forms varies among different ethnic populations. 21-hydroxylase deficiency is one o...
Dihydrolipoamide dehydrogenase (DLD) deficiency is a very rare condition that can vary in age of onset, symptoms and severity. The condition may be characterized by early-onset lactic acidosis and delayed development (most commonly); later-onset neurological dysfunction; or adult-onset isolated liver disease. Signs and...
These resources address the diagnosis or management of hereditary paraganglioma-pheochromocytoma: - Gene Review: Gene Review: Hereditary Paraganglioma-Pheochromocytoma Syndromes - Genetic Testing Registry: Paragangliomas 1 - Genetic Testing Registry: Paragangliomas 2 - Genetic Testing Registry: Paragangliomas 3 - ...
Hereditary neuralgic amyotrophy is a rare disorder, but its specific prevalence is unknown. Approximately 200 families affected by the disorder have been identified worldwide.
Weaver syndrome is usually caused by mutations in the EZH2 gene. The EZH2 gene provides instructions for making a type of enzyme called a histone methyltransferase. Histone methyltransferases modify proteins called histones, which are structural proteins that attach (bind) to DNA and give chromosomes their shape. By ad...
Men who have perineal surgery are most likely to have an acute perineal injury. Straddle injuries are most common among people who ride motorcycles, bikes, or horses and children who use playground equipment. Impalement injuries are most common in military personnel engaged in combat. Impalement injuries can also occur...
Genitopatellar syndrome is caused by mutations in the KAT6B gene. This gene provides instructions for making a type of enzyme called a histone acetyltransferase. These enzymes modify histones, which are structural proteins that attach (bind) to DNA and give chromosomes their shape. By adding a small molecule called an ...
Complications of urinary retention and its treatments may include - UTIs - bladder damage - kidney damage - urinary incontinence after prostate, tumor, or cancer surgery UTIs. Urine is normally sterile, and the normal flow of urine usually prevents bacteria from infecting the urinar...
MFDM is caused by mutations in the EFTUD2 gene. This gene provides instructions for making one part (subunit) of two complexes called the major and minor spliceosomes. Spliceosomes help process messenger RNA (mRNA), which is a chemical cousin of DNA that serves as a genetic blueprint for making proteins. The spliceosom...
What are the signs and symptoms of Paroxysmal ventricular fibrillation? The Human Phenotype Ontology provides the following list of signs and symptoms for Paroxysmal ventricular fibrillation. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can u...
People can't change the genes they inherit from their parents, but they can change other things to prevent diseases that run in the family. This is good news because many diseases result from a combination of a person's genes, lifestyle, and environment. Actions to reduce the risk of disease may involve lifestyle chang...
These resources address the diagnosis or management of Sjgren-Larsson syndrome: - Genetic Testing Registry: Sjgren-Larsson syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - ...
- Anemia is a condition in which a person has a lower than normal number of red blood cells or the amount of hemoglobin in the red blood cells drops below normal, which prevents the bodys cells from getting enough oxygen. - Anemia of inflammation and chronic disease (AI/ACD) is a type of anemia that commonly occurs wi...
Congenital leptin deficiency is a rare disorder. Only a few dozen cases have been reported in the medical literature.
Mutations in the SPG7 gene cause spastic paraplegia type 7. The SPG7 gene provides instructions for producing a protein called paraplegin. Located within the inner membrane of the energy-producing centers of cells (mitochondria), paraplegin is one of the proteins that form a complex called the m-AAA protease. The m-AAA...
Mutations in the PPT1 gene cause most cases of infantile NCL. The PPT1 gene provides instructions for making an enzyme called palmitoyl-protein thioesterase 1. This enzyme is active in cell compartments called lysosomes, which digest and recycle different types of molecules. Palmitoyl-protein thioesterase 1 removes cer...
Werner syndrome is estimated to affect 1 in 200,000 individuals in the United States. This syndrome occurs more often in Japan, affecting 1 in 20,000 to 1 in 40,000 people.
Amyloidosis occurs when abnormal proteins called amyloids build up and form deposits. The deposits can collect in organs such as the kidney and heart. This can cause the organs to become stiff and unable to work the way they should. There are three main types of amyloidosis: - Primary - with no known cause ...
These resources address the diagnosis or management of UV-sensitive syndrome: - Genetic Testing Registry: UV-sensitive syndrome - Genetic Testing Registry: UV-sensitive syndrome 2 - Genetic Testing Registry: UV-sensitive syndrome 3 - Merck Manual Home Health Edition: Sunburn - World Health Organization: Sun Protec...
Mutations in the CPS1 gene cause carbamoyl phosphate synthetase I deficiency. The CPS1 gene provides instructions for making the enzyme carbamoyl phosphate synthetase I. This enzyme participates in the urea cycle, which is a sequence of biochemical reactions that occurs in liver cells. The urea cycle processes excess n...
You have three treatment options to choose from to filter your blood. A fourth option offers care without replacing the work of the kidneys. None of these treatments helps the kidneys get better. However, they all can help you feel better. - Hemodialysis uses a machine to move your blood through a filt...
Infection with HIV is serious. But the outlook for people with HIV/AIDS is improving. If you are infected with HIV, there are many things you can do to help ensure you have a longer, healthier life. One important thing is to take your medicines. Make sure you have a health care provider who knows how to treat HIV. You ...
Progressive osseous heteroplasia is caused by a mutation in the GNAS gene. The GNAS gene provides instructions for making one part of a protein complex called a guanine nucleotide-binding protein, or a G protein. In a process called signal transduction, G proteins trigger a complex network of signaling pathways that u...
What are the signs and symptoms of Cone-rod dystrophy? The Human Phenotype Ontology provides the following list of signs and symptoms for Cone-rod dystrophy. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Diction...
Nephrocalcinosis is a disorder in which there is excess calcium deposited in the kidneys. It is relatively common in premature infants. Individuals may be asymptomatic or have symptoms related to the condition causing nephrocalcinosis. If kidney stones are present, an individual may have blood in the urine; fever and c...
Giant axonal neuropathy is a very rare disorder; the incidence is unknown.
Neuroferritinopathy is a disorder in which iron gradually accumulates in the brain. Certain brain regions that help control movement (basal ganglia) are particularly affected. People with neuroferritinopathy have progressive problems with movement that begin at about age 40. These movement problems can include involunt...
Mutations in the FGFR2 gene cause Crouzon syndrome. This gene provides instructions for making a protein called fibroblast growth factor receptor 2. Among its multiple functions, this protein signals immature cells to become bone cells during embryonic development. Mutations in the FGFR2 gene probably overstimulate sig...
When EA/TEF occurs as a feature of a genetic syndrome or chromosomal abnormality, it may cluster in families according to the inheritance pattern for that condition. Often EA/TEF is not inherited, and there is only one affected individual in a family.
Summary : The products you use for cleaning, carpentry, auto repair, gardening, and many other household uses can contain ingredients that can harm you, your family, and the environment. These include - Oven and drain cleaners - Laundry powder - Floor polish - Paint thinners, strippers and removers -...
The incidence of infantile NCL is unknown. Collectively, all forms of NCL affect an estimated 1 in 100,000 individuals worldwide. NCLs are more common in Finland, where approximately 1 in 12,500 individuals are affected.
Acute hepatitis B is a short-term infection with the hepatitis B virus. Symptoms usually last several weeks but they can last up to 6 months. The infection sometimes clears up because your body is able to fight off the infection and get rid of the virus. Most healthy adults and children older than 5 who have hepatitis ...
These resources address the diagnosis or management of Frasier syndrome: - Genetic Testing Registry: Frasier syndrome - MedlinePlus Encyclopedia: Focal Segmental Glomerulosclerosis - MedlinePlus Encyclopedia: Nephrotic Syndrome These resources from MedlinePlus offer information about the diagnosis and management o...
Both men and women can get Crohn's disease, and it can run in families. People with Crohns disease may have a blood relative with the disease or another type of IBD. Crohns disease most commonly starts between the ages of 13 and 30.
Many people with cirrhosis have no symptoms in the early stages of the disease. However, as the disease progresses, a person may experience the following symptoms: - fatigue, or feeling tired - weakness - itching - loss of appetite - weight loss - nausea - bloating of the abdomen from ascitesa bu...
Is congenital anosmia inherited? Most cases of isolated congenital anosmia (not associated with additional symptoms) occur sporadically in people with no family history of the condition. Rarely, more than one family member may be affected. In these families, the condition appears to be inherited in an autosomal dominan...
Glanzmann thrombasthenia is estimated to affect 1 in one million individuals worldwide, but may be more common in certain groups, including those of Romani ethnicity, particularly people within the French Manouche community.
Certain factors affect prognosis (chance of recovery) and treatment options. Gestational trophoblastic disease usually can be cured. Treatment and prognosis depend on the following: - The type of GTD. - Whether the tumor has spread to the uterus, lymph nodes, or distant parts of the body. - The number of ...
How is congenital anosmia diagnosed? Isolated congenital anosmia (not associated with other symptoms) is a diagnosis of exclusion. This means that the diagnosis is made in people with suspicious signs and symptoms once other conditions that cause similar features have been ruled out. When an affected person has no reco...
Summary : Every racial or ethnic group has specific health concerns. Differences in the health of groups can result from: - Genetics - Environmental factors - Access to care - Cultural factors On this page, you'll find links to health issues that affect Native Hawaiians and Pacific Islanders.
Adolescent idiopathic scoliosis is an abnormal curvature of the spine that appears in late childhood or adolescence. Instead of growing straight, the spine develops a side-to-side curvature, usually in an elongated "s" or "C" shape, and the bones of the spine become slightly twisted or rotated. In many cases, the abnor...
Dentatorubral-pallidoluysian atrophy, commonly known as DRPLA, is a progressive brain disorder that causes involuntary movements, mental and emotional problems, and a decline in thinking ability. The average age of onset of DRPLA is 30 years, but this condition can appear anytime from infancy to mid-adulthood. The sig...
The exact prevalence of cyclic vomiting syndrome is unknown; estimates range from 4 to 2,000 per 100,000 children. The condition is diagnosed less frequently in adults, although recent studies suggest that the condition may begin in adulthood as commonly as it begins in childhood.
Is genetic testing available for Andersen-Tawil syndrome? Yes, the Genetic Testing Registry (GTR) provides information about the genetic tests for this condition. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contac...
The prognosis for infants with Joubert syndrome depends on whether or not the cerebellar vermis is partially developed or entirely absent, as well as on the extent and severity of other organ involvement, such as the kidneys and liver. Some children have a mild form of the disorder, with minimal motor disability and go...
Alzheimers disease is an illness of the brain. It causes large numbers of nerve cells in the brain to die. This affects a persons ability to remember things and think clearly. People with Alzheimers become forgetful and easily confused and may have a hard time concentrating. They may have trouble taking care of themsel...
3-M syndrome is a rare disorder. About 50 individuals with this disorder have been identified worldwide.
This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. Rarely, both copies of the gene are altered, leading to more severe signs and symptoms. In most cases, an affected person has one parent with the condition.
Myelodysplastic/myeloproliferative diseases are a group of diseases of the blood and bone marrow in which the bone marrow makes too many white blood cells. These disease have features of both myelodysplastic syndromes and myeloproliferative disorders. In myelodysplastic diseases, the blood stem cells do not mature int...
In BPPV (benign paroxysmal positional vertigo), small calcium particles in the inner ear become displaced, causing dizziness. A doctor, otolaryngologist, audiologist, or physical therapist can treat BPPV by carefully moving the head and torso to move the displaced calcium particles back to their original position Learn...
These resources address the diagnosis or management of Lujan syndrome: - Gene Review: Gene Review: MED12-Related Disorders - Genetic Testing Registry: X-linked mental retardation with marfanoid habitus syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health c...
Orofaciodigital syndrome 1 (OFD1), also called orofaciodigital syndrome type 1, is a condition that affects the development of the oral cavity (the mouth and teeth), facial features, and digits (fingers and toes). This condition also causes polycystic kidney disease. Orofaciodigital syndrome 1 is caused by a change (mu...
How is human T-cell leukemia virus, type 2 diagnosed? Human T-cell leukemia virus, type 2 (HTLV-2) is usually diagnosed based on blood tests that detect antibodies to the virus. However, HTLV-2 is often never suspected or diagnosed since most people never develop any signs or symptoms of the infection. Diagnosis may oc...
Hairy tongue is a condition in which the the central top portion of the tongue presents with an abnormal coloring. Although the abnormal coating is typically black in color, brown, yellow, and green discoloration has been described.
Anderson-Tawil syndrome is a disorder that causes episodes of muscle weakness (periodic paralysis), changes in heart rhythm (arrhythmia), and developmental abnormalities. The most common changes affecting the heart are ventricular arrhythmia, which is a disruption in the rhythm of the heart's lower chambers, and long Q...
Dry mouth is the feeling that there is not enough saliva in the mouth. Everyone has dry mouth once in a while -- if they are nervous, upset, under stress, or taking certain medications. But if you have dry mouth all or most of the time, see a dentist or physician. Many older adults have dry mouth, but it is not a norma...
The National Cancer Institute has developed a comprehensive online cancer database called the Physician Data Query (PDQ) to present evidence from the most recent research on melanoma and other skin cancers. Click here to see the PDQ. A window will open. Click the "x" in the upper right hand corner of the "PDQ" window t...
What are the signs and symptoms of Waardenburg syndrome type 2B? The Human Phenotype Ontology provides the following list of signs and symptoms for Waardenburg syndrome type 2B. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the Medline...
People with PMAH caused by ARMC5 gene mutations inherit one copy of the mutated gene in each cell. The inheritance is considered autosomal dominant because one copy of the mutated gene is sufficient to make an individual susceptible to PMAH. However, the condition develops only when affected individuals acquire another...
A bushy, wild-growing plant with yellow flowers, St John's wort has been used for centuries in many folk and herbal remedies. It is commonly used in Europe to treat mild depression, and it is a top-seller in the United States as well. In a study funded by the National Institutes of Health, the herb was found to be no m...
No one treatment has been found to be universally effective. Instead, doctors use a variety of therapies (medications, surgery, and other treatments such as physical therapy, splinting, stress management, and biofeedback) aimed at reducing or eliminating muscle spasms and pain. Since response to drugs varies among indi...
Peyronie disease is a connective tissue disorder characterized by a plaque, or hard lump, that forms within the penis. Affected individuals may experience painful, curved erections which can make make normal sexual intercourse impossible. Symptoms may appear suddenly or develop gradually. While the painful erections fo...
Carnitine palmitoyltransferase I (CPT I) deficiency is a condition that prevents the body from using certain fats for energy, particularly during periods without food (fasting). The severity of this condition varies among affected individuals. Signs and symptoms of CPT I deficiency often appear during early childhood....
Mutations in several genes have been found to cause familial restrictive cardiomyopathy. Mutations in the TNNI3 gene are one of the major causes of this condition. The TNNI3 gene provides instructions for making a protein called cardiac troponin I, which is found solely in the heart. Cardiac troponin I is one of three ...
Barber Say syndrome is a very rare condition characterized by the association of excessive hair growth (hypertrichosis), papery thin and fragile (atrophic) skin, outward turned eyelids (ectropion) and a large mouth (macrostomia). It has been described in less than 20 patients in the medical literature. Barber Say syndr...
CAV3-related distal myopathy is part of a group of conditions called caveolinopathies, which are muscle disorders caused by mutations in the CAV3 gene. The CAV3 gene provides instructions for making a protein called caveolin-3, which is found in the membrane surrounding muscle cells. This protein is the main component ...
These resources address the diagnosis or management of multiple epiphyseal dysplasia: - Cedars-Sinai Medical Center - Gene Review: Gene Review: Multiple Epiphyseal Dysplasia, Dominant - Gene Review: Gene Review: Multiple Epiphyseal Dysplasia, Recessive - Genetic Testing Registry: Multiple epiphyseal dysplasia 1 - ...
Chromosome 7p deletion is a chromosome abnormality that occurs when there is a missing copy of the genetic material located on the short arm (p) of chromosome 7. The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved. Features that often occ...
A person with Whipple disease and malabsorption may need - a diet high in calories and protein - vitamins - nutritional supplements
These resources address the diagnosis or management of Rubinstein-Taybi syndrome: - Gene Review: Gene Review: Rubinstein-Taybi Syndrome - Genetic Testing Registry: Rubinstein-Taybi syndrome - MedlinePlus Encyclopedia: Rubinstein-Taybi syndrome These resources from MedlinePlus offer information about the diagnosis ...
Both types of BRIC are inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. Some peopl...
Researchers continue to look at new ways to combine, schedule, and sequence the use of chemotherapy, surgery, and radiation to treat lung cancer. Targeted therapy, using drugs that go directly to a gene mutation and repair or block the mutation from causing cancer, are the current gold standard for treating some types ...
Peutz-Jeghers syndrome is characterized by the development of noncancerous growths called hamartomatous polyps in the gastrointestinal tract (particularly the stomach and intestines) and a greatly increased risk of developing certain types of cancer. Children with Peutz-Jeghers syndrome often develop small, dark-color...
These resources address the diagnosis or management of congenital fibrosis of the extraocular muscles: - Gene Review: Gene Review: Congenital Fibrosis of the Extraocular Muscles - Genetic Testing Registry: Fibrosis of extraocular muscles, congenital, 1 - Genetic Testing Registry: Fibrosis of extraocular muscles, con...
These resources address the diagnosis or management of Y chromosome infertility: - Gene Review: Gene Review: Y Chromosome Infertility - Genetic Testing Registry: Spermatogenic failure, Y-linked 2 - Genetic Testing Registry: Spermatogenic failure, Y-linked, 1 - MedlinePlus Encyclopedia: Semen Analysis These resour...
How might steatocystoma multiplex be treated? Treatment options for steatocystoma multiplex are limited and have had varying degrees of success. The most effective treatment method is thought to be removal of cysts by surgery. However, cosmetic concerns, time, cost, and pain need to be considered because affected indi...
The NINDS supports research on neurological disorders such as neuroleptic malignant syndrome. Much of this research focuses on finding ways to prevent and treat the disorder.
FOXG1 syndrome is considered an autosomal dominant condition, which means one copy of the altered gene in each cell is sufficient to cause the disorder. All reported cases have resulted from new mutations or deletions involving the FOXG1 gene and have occurred in people with no history of the disorder in their family. ...
For those with dyslexia, the prognosis is mixed. The disability affects such a wide range of people and produces such different symptoms and varying degrees of severity that predictions are hard to make. The prognosis is generally good, however, for individuals whose dyslexia is identified early, who have supportive fa...
The National Institute of Neurological Disorders and Stroke (NINDS) conducts spinal cord research in its laboratories at the National Institutes of Health (NIH) and also supports additional research through grants to major research institutions across the country. Advances in research are giving doctors and patients ho...
The National Institute of Neurological Disorders and Stroke (NINDS) and other institutes of the National Institutes of Health (NIH) conduct research related to PPS in laboratories at the NIH, and also support additional PPS research through grants to major medical institutions across the country.
Coffin-Siris syndrome is a rare condition that is diagnosed in females more frequently than in males. Approximately 140 cases have been reported in the medical literature.
15q13.3 microduplication syndrome is a rare chromosome abnormality first described in 2009. Since only a small number of individuals with this microduplication have been reported, the full range of effects is still being discovered. What is known is that the symptoms are variable, even between members of the same famil...
What causes Liddle syndrome? Liddle syndrome is caused by mutations (changes) in either of two genes: SCNN1B and SCNN1G . The SCNN1B gene provides instructions for making one piece (the beta subunit) of protein complexes called epithelial sodium channels (ENaCs). The SCNN1G gene provides instructions for making a diffe...
These resources address the diagnosis or management of leptin receptor deficiency: - Eunice Kennedy Shriver National Institute of Child Health and Human Development: How Are Obesity and Overweight Diagnosed? - Genetic Testing Registry: Leptin receptor deficiency - Genetics of Obesity Study - National Heart, Lung, a...
Treatment may include surgery, focused radiation, or chemotherapy. Surgery to remove NF2 tumors completely is one option. Surgery for vestibular schwannomas does not restore hearing and usually reduces hearing. Sometimes surgery is not performed until functional hearing is lost completely. Surgery may result in damage ...
Alcohol can harm your baby at any stage during a pregnancy. That includes the earliest stages before you even know you are pregnant. Drinking alcohol can cause a group of conditions called fetal alcohol spectrum disorders (FASDs). Effects can include physical and behavioral problems such as trouble with - Learnin...