Format
Items per page

Send to:

Choose Destination

Links from BioSystems

Items: 1 to 20 of 62

1.

CONGENITAL HEART DEFECTS AND ECTODERMAL DYSPLASIA

MedGen UID:
910523
Concept ID:
CN240689
Disease or Syndrome
2.

Lichtenstein-knorr syndrome

Lichtenstein-Knorr syndrome is an autosomal recessive neurologic disorder characterized by postnatal onset of severe progressive sensorineural hearing loss and progressive cerebellar ataxia. Features usually develop in childhood or young adulthood (summary by Guissart et al., 2015). [from OMIM]

MedGen UID:
898996
Concept ID:
C4225383
Disease or Syndrome
3.

Lethal congenital contracture syndrome 8

Lethal congenital contracture syndrome-8, an axoglial form of arthrogryposis multiplex congenita, is characterized by congenital distal joint contractures, reduced fetal movements, and severe motor paralysis leading to death early in the neonatal period (Laquerriere et al., 2014). For a general phenotypic description and a discussion of genetic heterogeneity of lethal congenital contracture syndrome, see LCCS1 (253310). [from OMIM]

MedGen UID:
896058
Concept ID:
C4225385
Disease or Syndrome
4.

INTELLECTUAL DEVELOPMENTAL DISORDER WITH CARDIAC ARRHYTHMIA

Intellectual developmental disorder with cardiac arrhythmia is an autosomal recessive multisystem disorder characterized by delayed psychomotor development, severe intellectual disability with poor or absent speech, and bradycardia and/or cardiac sinus arrhythmias. Additional features include visual abnormalities, seizures, hypotonia, and gastric reflux (summary by Lodder et al., 2016). [from OMIM]

MedGen UID:
893321
Concept ID:
CN239052
Disease or Syndrome
5.

LANGUAGE DELAY AND ATTENTION DEFICIT-HYPERACTIVITY DISORDER/COGNITIVE IMPAIRMENT WITH OR WITHOUT CARDIAC ARRHYTHMIA

LADCI is an autosomal recessive neurodevelopmental disorder characterized by severe expressive and receptive language delay apparent from early childhood. Affected individuals have additional developmental or behavioral abnormalities, including attention deficit, hyperactivity, or mild intellectual disability. Some patients develop cardiac arrhythmias reminiscent of sick sinus syndrome (summary by Lodder et al., 2016 and Shamseldin et al., 2016). [from OMIM]

MedGen UID:
893320
Concept ID:
CN239053
Disease or Syndrome
6.

Night blindness, congenital stationary, type 1h

Congenital stationary night blindness type 1H (CSNB1H) is an unusual and unique stationary retinal disorder with a dual anomaly in visual processing, characterized by a partial or severe degree of ON bipolar dysfunction and variably reduced cone sensitivity. Patients present with childhood-onset night blindness and middle age-onset photophobia, but have near-normal vision and do not exhibit nystagmus or high myopia (Vincent et al., 2016). For a general phenotypic description and a discussion of genetic heterogeneity of congenital stationary night blindness, see CSNB1A (310500). [from OMIM]

MedGen UID:
891551
Concept ID:
CN237389
Disease or Syndrome
7.

Mental retardation, autosomal dominant 42

Autosomal dominant mental retardation-42 is a neurodevelopmental disorder characterized by global developmental delay and intellectual disability. More variable features include hypotonia, often later associated with limb hypertonia, seizures of various types, and poor overall growth. Strabismus, cortical visual impairment, and autistic features may also be present (summary by Petrovski et al., 2016). [from OMIM]

MedGen UID:
881216
Concept ID:
CN236792
Disease or Syndrome
8.

Long QT syndrome 15

MedGen UID:
864132
Concept ID:
C4015695
Disease or Syndrome
9.

Long QT syndrome 14

MedGen UID:
864108
Concept ID:
C4015671
Disease or Syndrome
10.

Platelet-type bleeding disorder 19

MedGen UID:
863842
Concept ID:
C4015405
Disease or Syndrome
11.

Pigmented nodular adrenocortical disease, primary, 4

Cushing syndrome is a clinical designation for the systemic signs and symptoms arising from excess cortisol production. Affected individuals typically show hypertension, impaired glucose tolerance, central obesity, osteoporosis, and sometimes depression. Corticotropin-independent Cushing syndrome results from autonomous cortisol production by the adrenal glands, often associated with adrenocortical tumors. Adrenocortical tumors are most common in adult females (summary by Cao et al., 2014; Sato et al., 2014). [from OMIM]

MedGen UID:
862862
Concept ID:
C4014425
Disease or Syndrome
12.

Autoimmune lymphoproliferative syndrome, type III

Autoimmune lymphoproliferative syndrome type III is an autosomal recessive disorder of immune dysregulation. The phenotype is variable, but most patients have significant lymphadenopathy associated with variable autoimmune manifestations. Some patients may have recurrent infections. Lymphocyte accumulation results from a combination of impaired apoptosis and excessive proliferation (summary by Oliveira, 2013). For a general description and a discussion of genetic heterogeneity of ALPS, see 601859. [from OMIM]

MedGen UID:
816258
Concept ID:
C3809928
Disease or Syndrome
13.

Early infantile epileptic encephalopathy 17

Early infantile epileptic encephalopathy-17 is a severe neurologic disorder characterized by onset of intractable seizures in the first weeks or months of life and usually associated with EEG abnormalities. Affected infants have very poor psychomotor development and may have brain abnormalities, such as cerebral atrophy or thin corpus callosum. Some patients may show involuntary movements (summary by Nakamura et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of EIEE, see EIEE1 (308350). [from OMIM]

MedGen UID:
815936
Concept ID:
C3809606
Disease or Syndrome
14.

Cardiofaciocutaneous syndrome 2

Cardiofaciocutaneous (CFC) syndrome is a multiple congenital anomaly disorder characterized by a distinctive facial appearance, heart defects, and mental retardation (summary by Niihori et al., 2006). In a phenotypic comparison of BRAF (164757)-positive and KRAS-positive individuals with CFC, Niihori et al. (2006) observed that patients with KRAS mutations did not have the skin abnormalities, such as ichthyosis, hyperkeratosis, and hemangioma, that were present in patients with BRAF mutation. [from OMIM]

MedGen UID:
815335
Concept ID:
C3809005
Disease or Syndrome
15.

Dystonia 25

Dystonia-25 is an autosomal dominant neurologic disorder characterized by adult onset of focal dystonia, usually involving the neck. The dystonia most often progresses to involve other regions, particularly the face and laryngeal muscles, and less commonly the trunk and limbs (summary by Fuchs et al., 2013). [from OMIM]

MedGen UID:
767361
Concept ID:
C3554447
Disease or Syndrome
16.

Ventricular tachycardia, catecholaminergic polymorphic, 4

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is characterized by episodic syncope occurring during exercise or acute emotion in individuals without structural cardiac abnormalities. The underlying cause of these episodes is the onset of fast ventricular tachycardia (bidirectional or polymorphic). Spontaneous recovery may occur when these arrhythmias self-terminate. In other instances, ventricular tachycardia may degenerate into ventricular fibrillation and cause sudden death if cardiopulmonary resuscitation is not readily available. The mean age of onset of symptoms (usually a syncopal episode) is between age seven and twelve years; onset as late as the fourth decade of life has been reported. If untreated, CPVT is highly lethal, as approximately 30% of affected individuals experience at least one cardiac arrest and up to 80% one or more syncopal spells. Sudden death may be the first manifestation of the disease. [from GeneReviews]

MedGen UID:
766961
Concept ID:
C3554047
Disease or Syndrome
17.

Acrodysostosis 2, with or without hormone resistance

Acrodysostosis-2 is a rare skeletal dysplasia characterized by brachydactyly, facial dysostosis, and spinal stenosis. Many patients have intellectual disability and some have hormone resistance (summary by Michot et al., 2012 and Lee et al., 2012). For a discussion of genetic heterogeneity of acrodysostosis, see ACRDYS1 (101800). [from OMIM]

MedGen UID:
766164
Concept ID:
C3553250
Disease or Syndrome
18.

Pigmented nodular adrenocortical disease, primary, 3

MedGen UID:
481724
Concept ID:
C3280094
Disease or Syndrome
19.

Acrodysostosis 1 with or without hormone resistance

Acrodysostosis-1 is a form of skeletal dysplasia characterized by short stature, severe brachydactyly, facial dysostosis, and nasal hypoplasia. Affected individuals often have advanced bone age and obesity. Laboratory studies show resistance to multiple hormones, including parathyroid, thyrotropin, calcitonin, growth hormone-releasing hormone, and gonadotropin (summary by Linglart et al., 2011). However, not all patients show endocrine abnormalities (Lee et al., 2012). Genetic Heterogeneity of Acrodysostosis See also ACRDYS2 (614613), caused by mutation in the PDE4D gene (600129) on chromosome 5q12. [from OMIM]

MedGen UID:
477858
Concept ID:
C3276228
Disease or Syndrome
20.

Long QT syndrome 11

Long QT syndrome (LQTS) is a cardiac electrophysiologic disorder, characterized by QT prolongation and T-wave abnormalities on the ECG and the ventricular tachycardia torsade de pointes (TdP). TdP is usually self-terminating, thus causing a syncopal event, the most common symptom in individuals with LQTS. Syncope typically occurs during exercise and high emotions, less frequently at rest or during sleep, and usually without warning. In some instances, TdP degenerates to ventricular fibrillation and causes aborted cardiac arrest (if the individual is defibrillated) or sudden death. Approximately 50% of individuals with a pathogenic variant in one of the genes associated with LQTS have symptoms, usually one to a few syncopal spells. While cardiac events may occur from infancy through middle age, they are most common from the pre-teen years through the 20s. Some types of LQTS are associated with a phenotype extending beyond cardiac arrhythmia. In addition to the prolonged QT interval, associations include muscle weakness and facial dysmorphism in Andersen-Tawil syndrome (LQTS type 7), hand/foot, facial, and neurodevelopmental features in Timothy syndrome (LQTS type 8) and profound sensorineural hearing loss in Jervell and Lange-Nielson syndrome. [from GeneReviews]

MedGen UID:
437218
Concept ID:
C2678483
Disease or Syndrome
Format
Items per page

Send to:

Choose Destination

Supplemental Content

Find related data

Recent activity

Your browsing activity is empty.

Activity recording is turned off.

Turn recording back on

See more...
Support Center