The following Conditions are related to Da

Select a specific condition below to view its details.

  • Agenesis of commissura magna cerebri

    Agenesis of corpus callosum (ACC) is a rare disorder that is present at birth (congenital). It is characterized by a partial or complete absence (agenesis) of an area of the brain that connects the two cerebral hemispheres. This part of the brain is normally composed of transverse fibers. The cause of agenesis of corpus callosum is usually not known, but it can be inherited as either an autosomal recessive trait or an X-linked dominant trait.  Read More

  • Arachnoid cysts

    Arachnoid cysts are fluid-filled sacs that occur on the arachnoid membrane that covers the brain (intracranial) and the spinal cord (spinal). There are three membranes covering these parts of the central nervous system: the dura mater, arachnoid, and pia mater. Arachnoid cysts appear on the arachnoid membrane, and they may also expand into the space between the pia mater and arachnoid membranes (subarachnoid space). The most common locations f  Read More

  • Bell's palsy

    Signs and symptoms of Bell's palsy come on suddenly and may include: Rapid onset of mild weakness to total paralysis on one side of your face — occurring within hours to days Facial droop and difficulty making facial expressions, such as closing your eye or smiling Drooling Pain around the jaw or in or behind your ear on the affected side Increased sensitivity to sound on the affecte  Read More

  • Brain aneurysm(cerebral aneurysm)

    A brain aneurysm(cerebral aneurysm) is a dilation along the arterial circulation within the brain. About 85% of the dilations occur in the anterior circulation, which supplies blood to the anterior parts of the brain. The causes include: hemodynamic stress on the internal elastic lamina, vibrations from the turbulence of blood flow, and T-lymphocytes and macrophages mediated inflammation. Patients with advanced age, hypertensi  Read More

  • Brain tumor

    The signs and symptoms of a brain tumor vary greatly and depend on the brain tumor's size, location and rate of growth. General signs and symptoms caused by brain tumors may include: New onset or change in pattern of headaches Headaches that gradually become more frequent and more severe Unexplained nausea or vomiting Vision problems, such as blurred vision, double vision or loss of peripher  Read More

  • Brain tumors, general

    A brain tumor, general, is the mass growth of abnormal cells in the brain. There are different types of brain tumors, some are noncancerous (benign), and some brain tumors are cancerous (malignant). This can begin in the brain or some type of cancer begins in other parts of the body and spreads to the brain. The treatment of brain tumors depends on the location, size and type of tumor. 1. Treatment of brain tumors  Read More

  • Brain, micropolygyria

    Fukuyama type congenital muscular dystrophy (FCMD) is one of several forms of a rare type of muscular dystrophy known as congenital muscular dystrophy. It is inherited as an autosomal recessive trait. Symptoms of this disorder are apparent at birth and progress slowly. In addition to general muscle weakness and deformities of the joints (contractures), FCMD is often accompanied by seizures, mental retardation and speech problems. This disorder  Read More

  • Branched chain ketonuria i

    Maple syrup urine disease (MSUD) is a rare genetic disorder characterized by deficiency of certain enzymes (branched-chain alpha-keto acid dehydrogenase complex) required to breakdown (metabolize) specific amino acids in the body. Because these amino acids are not metabolized, they, along with their various byproducts, abnormally accumulate in the cells and fluids of the body. Such accumulation can cause a variety of symptoms including letharg  Read More

  • Carotid artery disease

    In its early stages, carotid artery disease often doesn't produce any signs or symptoms. The condition may go unnoticed until it's serious enough to deprive your brain of blood, causing a stroke or TIA. Signs and symptoms of a stroke or TIA include: Sudden numbness or weakness in the face or limbs, often on only one side of the body Sudden trouble speaking and understanding  Read More

  • Charge syndrome

    CHARGE syndrome is a rare disorder that arises during early fetal development and affects multiple organ systems. The term CHARGE comes from the first letter of some of the more common features seen in these children: (C) = coloboma (usually retinochoroidal) and cranial nerve defects (80-90%)(H) = heart defects in 75-85%, especially tetralogy of Fallot(A) = atresia of the choanae (blocked nasal breathing passages) (50-6  Read More

  • Chiari i syndrome

    The particular type of malformation and the evolution of anatomical changes or symptoms strongly influence how Chiari malformations and syringomyelia are treated.1. Asymptomatic Chiari I syndrome should be ignored (this involves most Chiari malformations). Of these, there is no need for "prophylactic" surgery. Treatment is typically advised if the abnormality is deemed symptomatic or creates a syrinx.2.  Read More

  • Cockayne syndrome

    Cockayne Syndrome (CS) is a rare form of dwarfism. It is an inherited disorder whose diagnosis depends on the presence of three signs (1) growth retardation, i.e. short stature, (2) abnormal sensitivity to light (photosensitivity), and (3) prematurely aged appearance (progeria). In the classical form of Cockayne Syndrome (CS type I) the symptoms are progressive and typically become apparent after the age of one year. An early onset or congenit  Read More

  • Cystoid macular degeneration

    Cystoid macular degeneration is an autosomal dominant genetic form of macular degeneration. It starts in childhood or adolescence. Later, it affects the central vision. The best vitelliform macular dystrophy is related to an abnormality in the VMD2 gene. The early symptoms of cystoid macular degeneration are not noticeable. The other symptoms include blurry vision, faded colours, distorted central vision, and loss of vision. I  Read More

  • Cysts, arachnoid

    Arachnoid cysts are fluid-filled sacs that occur on the arachnoid membrane that covers the brain (intracranial) and the spinal cord (spinal). There are three membranes covering these parts of the central nervous system: the dura mater, arachnoid, and pia mater. Arachnoid cysts appear on the arachnoid membrane, and they may also expand into the space between the pia mater and arachnoid membranes (subarachnoid space). The most common locations f  Read More

  • De lange syndrome

    Cornelia de Lange syndrome (CdLS) is a rare genetic disorder that is apparent at birth (congenital). Associated symptoms and findings typically include delays in physical development before and after birth (prenatal and postnatal growth retardation); characteristic abnormalities of the head and facial (craniofacial) area, resulting in a distinctive facial appearance; malformations of the hands and arms (upper limbs); and mild to severe mental  Read More

  • Dural endothelioma

    A Dural endothelioma is a tumor that arises from the meninges — the membranes that surround the brain and spinal cord. Although not technically a brain tumor, it is included in this category because it may compress or squeeze the adjacent brain, nerves and vessels. Dural endothelioma is the most common type of tumor that forms in the head. Most Dural endothelioma grow very slowly, often over many years, with  Read More

  • Empty sella turcica

    Empty sella syndrome is a rare disorder characterized by enlargement or malformation of a structure in the head known as the sella turcica. The sella turcica is a saddle-shaped depression located in the bone at the base of skull (sphenoid bone), in which resides the pituitary gland. In empty sella syndrome, the malformed sella turcica is often either partially or completely filled with cerebrospinal fluid. As a result, the pituitary gland is o  Read More

  • Encephalitis and meningitis

    Encephalitis is an inflammation of the brain. Meningitis is an inflammation of the membranes (called meninges) that surround the brain and spinal cord. Both infections can be caused by bacteria or viruses and rarely a fungus. Headache and fever are the most common symptoms of encephalitis and meningitis. Stiff neck, confusion, or lethargy can also be present. The diagnosis is usually made by performing a lumb  Read More

  • Encephalitis, herpes simplex

    Herpes simplex encephalitis (HSE) is a rare neurological disorder characterized by inflammation of the brain (encephalitis). Common symptoms include headaches, fevers, drowsiness, hyperactivity, and/or general weakness. The disorder may have some symptoms similar to those associated with meningitis, such as a stiff neck, altered reflexes, confusion, and/or speech abnormalities. Skin lesions usually are not found in association with herpes simp  Read More

  • Encephalitis, japanese

    Japanese Encephalitis is a severe inflammation of the brain caused by the Japanese B Encephalitis Virus that is transmitted by the bite of infected mosquitoes in certain areas of the world, particularly Asia. This disorder most commonly affects children and tends to be more actively spread during the summer. Symptoms include high fever, headaches, weakness, nausea, vomiting, paralysis, personality changes, and coma, possibly leading to neurolo  Read More

  • Epilepsy and temporal lobe resection

    temporal lobe resection is a treatment not a disorder  Read More

  • Epilepsy: vagus nerve stimulation (vns)

    Employing a device to deliver electrical impulses to the vagus nerve is known as vagus nerve stimulation (VNS). The application of an implantable vagus stimulator to treat epilepsy is officially approved by the FDA. Each side of your body has one vagus nerve, which travels from your brainstem through your neck to your chest and belly. A neurological condition called epilepsy affects the brain and increases the ris  Read More

  • Fahr disease

    Fahr's syndrome, familial idiopathic basal ganglia calcification, and primary familial brain calcification are further names for Fahr's disease. It is a very uncommon neurological condition marked by bilateral calcifications of certain brain regions. Fahr's disease typically affects people in their 40s and 50s, though it can also strike children or teenagers. The prevalence of the disease is lower than 1 in 1,000,000. There is a paucity of mol  Read More

  • Fahr's disease

    Risk factors of Fahr’s disease: 1. Fahr's disease is a hereditary genetic condition marked by abnormal calcium deposits in parts of the brain that regulate movement. 2. Basal ganglia, cerebral, and cortical regions (parts of the brain) have calcium deposits that cause atrophy. 3. Motor and mental problems result from the considerable neuron (brain cell) loss caused by this mineral deposit.  Read More

  • Galactosyl ceramide lipidosis

    Krabbe's Leukodystrophy is a rare inherited lipid storage disorder caused by a deficiency of the enzyme galactocerebrosidase (GALC), which is necessary for the breakdown (metabolism) of the sphingolipids galactosylceremide and psychosine. Failure to break down these sphingolipids results in degeneration of the myelin sheath surrounding nerves in the brain (demyelination). Characteristic globoid cells appear in affected areas of the brain. This  Read More

  • Galactosylceramidase deficiency

    Krabbe's Leukodystrophy is a rare inherited lipid storage disorder caused by a deficiency of the enzyme galactocerebrosidase (GALC), which is necessary for the breakdown (metabolism) of the sphingolipids galactosylceremide and psychosine. Failure to break down these sphingolipids results in degeneration of the myelin sheath surrounding nerves in the brain (demyelination). Characteristic globoid cells appear in affected areas of the brain. This  Read More

  • Galactosylceramide lipidosis

    Krabbe's Leukodystrophy is a rare inherited lipid storage disorder caused by a deficiency of the enzyme galactocerebrosidase (GALC), which is necessary for the breakdown (metabolism) of the sphingolipids galactosylceremide and psychosine. Failure to break down these sphingolipids results in degeneration of the myelin sheath surrounding nerves in the brain (demyelination). Characteristic globoid cells appear in affected areas of the brain. This  Read More

  • Globoid cell leukoencephalopathy

    Krabbe's Leukodystrophy is a rare inherited lipid storage disorder caused by a deficiency of the enzyme galactocerebrosidase (GALC), which is necessary for the breakdown (metabolism) of the sphingolipids galactosylceremide and psychosine. Failure to break down these sphingolipids results in degeneration of the myelin sheath surrounding nerves in the brain (demyelination). Characteristic globoid cells appear in affected areas of the brain. This  Read More

  • Hippel disease (hls)

    Hippel disease (HLS) is a hereditary disorder characterized by tumors developing in many organs. It results from a VHL gene mutation (change). Hemangioblastomas, which are blood vessel tumors of the brain, spinal cord, and retina, are tumors associated with HLS. Retinal tumors, also known as retinal angiomas, can cause blindness if they are not promptly treated. Additionally, clear cell renal cell carcinoma (ccRCC), a particul  Read More

  • Homogentisic acid oxidase deficiency

    Risk factors of Homogentisic acid oxidase deficiency: 1. Homogentisic acid oxidase deficiency is an autosomal recessive condition that is inherited. When a person receives the same defective gene for the same trait from both parents, recessive genetic diseases develop. A person will be a carrier for the disease if they have one normal gene and one sick gene, although they often won't exhibit any symptoms.  Read More

  • Hutterite syndrome bowen-conradi type

    Hutterite syndrome bowen-conradi type is a condition that affects numerous body systems and usually results in infant death. Affected people have low birth weights, struggle with eating, and grow very slowly. Their head is longer than expected relative to its width despite having an extremely small head overall (microcephaly) (dolichocephaly). A broad, high-bridged nose and an exceptionally small jaw (micrognathia  Read More

  • Hydrocephalus

    The signs and symptoms of hydrocephalus vary somewhat by age of onset. Infants Common signs and symptoms of hydrocephalus in infants include: Changes in the head An unusually large head A rapid increase in the size of the head A bulging or tense soft spot (fontanel) on the top of the head Physical signs and symptoms Vomiting Sleepiness  Read More

  • Livedo reticularis and cerebrovascular

    Sneddon syndrome is a rare progressive disorder affecting the blood vessels characterized by the association of a skin condition and neurological abnormalities. Characteristics include multiple episodes of reduced blood flow to the brain (cerebral ischemia) and bluish net-like patterns of discoloration on the skin surrounding normal- appearing skin (livedo reticularis). Major symptoms may include headache, dizziness, abnormally high blood pres  Read More

  • Meningitis

    Early meningitis symptoms may mimic the flu (influenza). Symptoms may develop over several hours or over a few days. Possible signs and symptoms in anyone older than the age of 2 include: Sudden high fever Stiff neck Severe headache that seems different than normal Headache with nausea or vomiting Confusion or difficulty concentrating Seizures Sleepiness or diff  Read More

  • Monosomy 3p2

    Chromosome 3, Monosomy 3p is a rare chromosomal disorder in which the end (distal) portion of the short arm (p) of chromosome 3 is missing (deleted or monosomic). The range and severity of symptoms and findings may be variable. However, associated features often include growth delays before and after birth (prenatal and postnatal growth deficiency); severe to profound mental retardation; distinctive malformations of the skull and facial (crani  Read More

  • Moya-moya disease

    Moyamoya syndrome is a progressive disorder that affects the blood vessels in the brain (cerebrovascular). It is characterized by the narrowing (stenosis) and/or closing (occlusion) of the carotid artery inside the skull, the major artery that delivers blood to the brain. At the same time, tiny blood vessels at the base of the brain open up in an apparent attempt to supply blood to the brain distal to the blockage. These tiny vessels are the "  Read More

  • Moyamoya syndrome

    Moyamoya syndrome is defined as a progressive condition that disturbs the blood vessels in the brain. One of its earliest signs of evidence is stenosis or occlusion of the carotid artery present in the skull. Simultaneously, this blockage of blood impels the minute blood vessels at the base of the brain open up. It is said to be an attempt to improve the blood supply. The tiny blood vessels --named moyamoya-- give the disease  Read More

  • Mucopolysaccharidosis iv

    Morquio syndrome (mucopolysaccharidosis type IV; MPS IV) is a mucopolysaccharide storage disease that exists in two forms (Morquio syndromes A and B) and occurs because of a deficiency of the enzymes N-acetyl-galactosamine-6-sulfatase and beta-galactosidase, respectively. A deficiency of either enzyme leads to the accumulation of mucopolysaccharides in the body, abnormal skeletal development, and additional symptoms. In most cases, individuals  Read More

  • Multiple pterygium syndrome

    Multiple pterygium syndrome is a rare genetic disorder characterized by pterygium of multiple parts of the body, including the neck, fingers, elbow, armpits, thighs, and back of knees. Pterygium refers to the webbing of the skin. The condition is congenital, and progression is prenatal. There are two types of multiple pterygium diseases: Escobar and lethal. Escobar form, also known as Escobar syndrome, is a milder form and pre  Read More

  • Neill-dingwall syndrome

    Cockayne Syndrome (CS) is a rare form of dwarfism. It is an inherited disorder whose diagnosis depends on the presence of three signs (1) growth retardation, i.e. short stature, (2) abnormal sensitivity to light (photosensitivity), and (3) prematurely aged appearance (progeria). In the classical form of Cockayne Syndrome (CS type I) the symptoms are progressive and typically become apparent after the age of one year. An early onset or congenit  Read More

  • Ophthalmoplegia, painful

    Tolosa-Hunt syndrome is a rare disorder characterized by severe periorbital headaches, along with decreased and painful eye movements (ophthalmoplegia). Symptoms usually affect only one eye (unilateral). In most cases, affected individuals experience intense sharp pain and decreased eye movements. Symptoms often will subside without intervention (spontaneous remission) and may recur without a distinct pattern (randomly). Affected individuals m  Read More

  • Ophthalmoplegia, recurrent

    Tolosa-Hunt syndrome is a rare disorder characterized by severe periorbital headaches, along with decreased and painful eye movements (ophthalmoplegia). Symptoms usually affect only one eye (unilateral). In most cases, affected individuals experience intense sharp pain and decreased eye movements. Symptoms often will subside without intervention (spontaneous remission) and may recur without a distinct pattern (randomly). Affected individuals m  Read More

  • Optic neuromyelitis

    Optic neuromyelitis, also known as Devic's disorder or neuromyelitis optica, is a central nervous system disease that primarily affects the eye and spinal cord. Effects on the eyes are referred to as optic neuritis, whereas those on the spinal cord are called myelitis. The clinical manifestations are blindness in one or both eyes, weakness or paralysis in the legs or arms, painful spasms, loss of sensation, uncontrollable vomi  Read More

  • Pineal cysts, symptomatic

    Pineal cysts are benign (non-cancerous) fluid-filled sacs located in the region of the brain that contains the pineal gland. Small pineal cysts (.5 cm or smaller) are common occurrences, often found incidentally on routine neurological exams. Small pineal cysts rarely cause symptoms (asymptomatic). Larger pineal cysts are rare findings that may cause a variety of symptoms (symptomatic). Symptoms may include headaches, increased pressure on the  Read More

  • Premature aging syndrome

    Branchio-oculo-facial syndrome (BOFS) is a very rare genetic disorder that is apparent at birth (congenital). As of 2004, only about 50 cases of BOFS had been reported in the medical literature. The symptoms of most BOFS patients include the proliferation of blood vessels (hemangiomatous) in the lower neck or upper chest, low birth weight, retarded growth and some mental retardation. BOFS is characterized by the presence of a pseudocleft of th  Read More

  • Pseudotumor cerebri

    Pseudotumor cerebri literally means "false brain tumor." It is likely due to high pressure within the skull caused by the buildup or poor absorption of cerebrospinal fluid (CSF). The disorder is most common in women between the ages of 20 and 50.  Read More

  • Pure red blood cell aplasia

    Pure red cell aplasia (PRCA) is a very rare blood production disorder that affects the precursor of the red blood cell which are called reticulocytes. In PRCA, the bone marrow stops producing red blood cells, and this leads to low red blood cell count or anemia. This disorder usually affects adults. Red blood cells are responsible for carrying oxygen to various cells and tissues. What causes PRCA? According  Read More

  • Purpura, thrombotic thrombocytopenic

    Thrombotic thrombocytopenic purpura is a rare condition that leads to blood clots to build small blood vessels across the course of the body. Clots like these can result in severe medical issues if they end up blocking blood vessels and restrict the flow of blood to organs like the brain, kidneys and the heart. A protein of ADAMTS13 enzyme in the blood plays a role in blood clotting. An inadequacy in the ADAMTS13  Read More

  • Russian autumnal encephalitis

    Japanese Encephalitis is a severe inflammation of the brain caused by the Japanese B Encephalitis Virus that is transmitted by the bite of infected mosquitoes in certain areas of the world, particularly Asia. This disorder most commonly affects children and tends to be more actively spread during the summer. Symptoms include high fever, headaches, weakness, nausea, vomiting, paralysis, personality changes, and coma, possibly leading to neurolo  Read More

  • Von hippel lindau disease

    The disorder known as von hippel-lindau (VHL) disease is hereditary (inherited). People with VHL have an increased risk of developing cancers in their eyes, kidneys, pancreas, adrenal glands, brain, spinal cord, and early adulthood. Most of the time, these tumors are benign (not cancer), but some of them can be malignant (cancerous). Is the von Hippel-Lindau (VHL) disease manageable? There is a 50% ri  Read More

  • Whiplash

    Signs and symptoms of whiplash usually — but not always — develop within 24 hours of the injury and may include: Neck pain and stiffness Worsening of pain with neck movement Loss of range of motion in the neck Headaches, most often starting at the base of the skull Tenderness or pain in the shoulder, upper back or arms Tingling or numbness in the arms Fatigu  Read More