Diseases

Dissociative hysteria

Dissociative hysteria (medical condition): A psychiatric disorder where there are two or more distinct personalities existing within one individual. Any one of these personalities may be the dominant personality at any particular time. Dissociative hysteria: Another name for Dissociative Identity Disorder (or close medical condition association). A psychiatric disorder where there are two or more distinct personalities existing within one individual. Any one of these personalities may be the dominant personality at any particular time. The personalities may be quite different from each other and each exists with its own set of behaviours, emotions and thought processes. The condition used to be known as multiple personality disorder.

Distal arthrogryposis Moore Weaver type

Distal arthrogryposis, Moore-Weaver type: A rare disorder characterized mainly by clenched fists, permanent flexion of toes and fingers and head and facial abnormalities.

Distal myopathy Markesbery-Griggs type

Distal myopathy (or distal muscular dystrophy) is a general term for a group of rare progressive genetic disorders characterized by wasting (atrophy) and weakness of the voluntary distal muscles. The distal muscles are those farther from the center of the body and include the muscles of the lower arms and legs and the hands and feet.

Distal myopathy, Markesbery-Griggs type is subtype of distal myopathy is a very rare muscle disease which mainly affects the front of the lower leg.

Distal myopathy with vocal cord weakness

Distal myopathy with vocal cord weakness: A very rare syndrome characterized mainly by muscle weakness in the end portion of the arms and legs as well as the vocal cord and pharynx.

Distal myopathy- Nonaka type

Distal myopathy, Nonaka type (medical condition): A rare genetic condition characterized by slow-progressing muscle weakness and atrophy that starts in the calves and progresses to the rest of the legs and arms. Occasionally the hips and shoulders may be affected but the heart and facial muscles are spared. Miyoshi myopathy: A rare genetic condition characterized by slow-progressing muscle weakness and atrophy that starts in the calves and progresses to the rest of the legs and arms. Occasionally the hips and shoulders may be affected but the heart and facial muscles are spared.

Distal primary acidosis- familial

Renal tubular acidosis, distal, autosomal dominant: A rare kidney disorder characterized mainly by increased urine alkalinity and high blood acidity due to abnormal kidney functioning.

Distomatosis

Distomatosis: Infection by parasitic flat worms. Infection can involve liver, lungs or intestines. Symptoms are determined by the location of the infection. Contamination usually occurs through ingesting contaminated food or water.

Dk phocomelia syndrome

Dk--phocomelia syndrome (medical condition ): An early congenital condition that is characterised by multiple congenital anomalies. Dk--phocomelia syndrome: Another name for Von voss Cherstvoy syndrome (or close medical condition association). Von voss Cherstvoy syndrome: An early congenital condition that is characterised by multiple congenital anomalies.

Dobrow syndrome

Dobrow syndrome: A very rare syndrome characterized mainly by abnormal webbing inside the mouth, short stature, eye problems, mental retardation and small head, jaw, eyes and mouth.

Dominant cleft palate

Dominant cleft palate: An opening in the roof of the mouth that is inherited as a dominant trait (only one parent has to have the genetic defect for it to be passed on to offspring). The opening may be covered by skin or completely open. The size of the opening can affect the severity of symptoms.

Donnai Barrow syndrome

Donnai Barrow syndrome (medical condition): A very rare syndrome characterized mainly by a diaphragmatic hernia (defect in the diaphragm that allows some of the abdominal organs to move into the chest cavity), brain development abnormalities and deafness. Diaphragmatic hernia - exomphalos - corpus callosum agenesis: A very rare syndrome characterized mainly by a diaphragmatic hernia (defect in the diaphragm that allows some of the abdominal organs to move into the chest cavity), brain development abnormalities and deafness.

Donovanosis

Donovanosis (medical condition): Granulomous disease spread sexually. Donovanosis: Anogenital ulcers caused by Calymmatobacterium granulomatis as distinguished from lymphogranuloma inguinale (see LYMPHOGRANULOMA VENEREUM) caused by CHLAMYDIA TRACHOMATIS. Diagnosis is made by demonstration of typical intracellular Donovan bodies in crushed-tissue smears.

DOOR syndrome

DOOR (deafness, onychodystrophy, osteodystrophy, and mental retardation) syndrome is a genetic disease which is inherited in an autosomal recessive fashion. DOOR syndrome is characterized by mental retardation, sensorineural deafness, abnormal nails and phalanges of the hands and feet, and variable seizures. A similar deafness-onychodystrophy syndrome is transmitted as an autosomal dominant trait and has no mental retardation. Some authors have proposed that it may be the same as Eronen Syndrome, but since both disorders are extremely rare it is hard to make a determination

Dopamine beta hydroxylase deficiency

Dopamine beta-hydroxylase deficiency: A very rare disorder involving a deficiency of dopamine beta-hydroxylase which affects production of noradrenaline and adrenaline and results in symptoms such as low blood pressure on standing, droopy eyelids and stuffy nose.

Dosage-sensitive sex reversal

Dosage-sensitive sex reversal: A genetic defect resulting in a sex reversal in people with a normal 46,XY karyotype. Thus a genetic male may develop female external genitalia. The severity of the condition is variable with external genitalia ranging from female to ambiguous to male.

Double cortex syndrome

Double cortex syndrome: A rare brain development disorder which causes mental retardation and epilepsy. An extra layer of nerves develops under the brain cortex.

Double discordia

Double discordia (medical condition): A rare birth disorder where the right atrium is connected to the left ventricle and vice versa. The position of the heart ventricles is also inverted which allows normal blood oxygenation. Symptoms generally only occur later in life or if other heart defects are present which is usually the case. Double discordia: Another name for Ventriculo-arterial discordance, isolated (or close medical condition association).

Double fingernail of fifth finger

Double fingernail of fifth finger: A very rare abnormality where an infant is born with two fingernails on the fifth finger. One fingernail is usually normal with the other one being smaller and located near the first fingernail or even on the palm side of the finger.

Double nails on the fifth toe

Double nails on the fifth toe: A very rare abnormality where an infant is born with two toenails on the fifth toe. One toenail is usually normal with the other one being smaller and located near the first toenail or even underneath the toe.

Double outlet left ventricle

Double inlet left ventricle (DILV) is a congenital heart defect that affects the valves of the heart. Congenital means it is present from birth. Babies born with this condition have only one working lower chamber (ventricle) in their heart. A case, the sixth, ofdouble outlet left ventricle is reported, the diagnosis being made by cardiac catheterization and angiocardiography. Though the existence of such a malformation has been questioned on embryologicalgrounds, double outlet left ventricle must now be regarded as a recognized cardiac anomaly. The embryological significance of this case is discussed and it is suggested that the malformation is easily explained by the hypothesis of differential conal absorption.

Dracunculiasis

Dracunculiasis, more commonly known as Guinea worm disease (GWD) or Medina Worm, is a parasitic infection caused by the nematode, Dracunculus medinensis. The name, dracunculiasis, is derived from the Latin "affliction with little dragons".The common name "Guinea worm" appeared after Europeans first saw the disease on the Guinea coast of West Africa in the 17th century.The painful, burning sensation experienced by the infected patient has led to the disease being called "the fiery serpent".

Dravet Syndrome

Dravet syndrome is a severe form of epilepsy with seizures that are often triggered by hot temperatures or fever. The condition appears during the first year of life as frequent fever-related (febrile) seizures. As the condition progresses, other types of seizures typically occur, including myoclonus and status epilepticus. A family history of either epilepsy or febrile seizures exists in 15 percent to 25 percent of cases. Intellectual development begins to deteriorate around age 2, and affected individuals often have a lack of coordination, poor development of language, hyperactivity, and difficulty relating to others. In 30 to 80 percent of cases, Dravet syndrome is caused by changes in the SCN1A gene, which is required for the proper function of brain cells.

Duane anomaly mental retardation

Duane anomaly - mental retardation: A very rare syndrome characterized mainly by mental retardation and eye movement problems (Duane anomaly).

Duane retraction syndrome 1

Duane syndrome (DS) is a rare, congenital eye movement disorder most commonly characterized by the inability of the eye to turn out. The syndrome was first described by Jakob Stilling (1887) and Siegmund Türk (1896), and subsequently named for Alexander Duane who discussed the disorder in more detail in 1905 Other names for this condition include: Duane's Retraction Syndrome (or DR syndrome), Eye Retraction Syndrome, Retraction Syndrome, Congenital retraction syndrome and Stilling-Turk-Duane Syndrome.