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1.

Ehlers-Danlos syndrome, classic type, 1

Classic Ehlers-Danlos syndrome (cEDS) is a connective tissue disorder characterized by skin hyperextensibility, atrophic scarring, and generalized joint hypermobility (GJH). The skin is soft and doughy to the touch, and hyperextensible, extending easily and snapping back after release (unlike lax, redundant skin, as in cutis laxa). The skin is fragile, as manifested by splitting of the dermis following relatively minor trauma, especially over pressure points (knees, elbows) and areas prone to trauma (shins, forehead, chin). Wound healing is poor, and stretching of scars after apparently successful primary wound healing is characteristic. Complications of joint hypermobility, such as dislocations of the shoulder, patella, digits, hip, radius, and clavicle, usually resolve spontaneously or are easily managed by the affected individual. Other features include hypotonia with delayed motor development, fatigue and muscle cramps, and easy bruising. Mitral valve prolapse can occur infrequently, but tends to be of little clinical consequence. Aortic root dilatation has been reported, appears to be more common in young individuals, and rarely progresses. [from GeneReviews]

MedGen UID:
78660
Concept ID:
C0268335
Disease or Syndrome
2.

Ehlers-Danlos syndrome, kyphoscoliotic type 1

PLOD1-related kyphoscoliotic Ehlers-Danlos syndrome (kEDS) is an autosomal recessive generalized connective tissue disorder characterized by hypotonia, early-onset kyphoscoliosis, and generalized joint hypermobility in association with skin fragility and ocular abnormality. Intelligence is normal. Life span may be normal, but affected individuals are at risk for rupture of medium-sized arteries. Adults with severe kyphoscoliosis are at risk for complications from restrictive lung disease, recurrent pneumonia, and cardiac failure. [from GeneReviews]

MedGen UID:
75672
Concept ID:
C0268342
Disease or Syndrome
3.

Cutis laxa, autosomal dominant 1

FBLN5-related cutis laxa is characterized by cutis laxa, early childhood-onset pulmonary emphysema, peripheral pulmonary artery stenosis, and other evidence of a generalized connective disorder such as inguinal hernias and hollow viscus diverticula (e.g., intestine, bladder). Occasionally, supravalvar aortic stenosis is observed. Intrafamilial variability in age of onset is observed. Cardiorespiratory failure from complications of pulmonary emphysema (respiratory or cardiac insufficiency) is the most common cause of death. [from GeneReviews]

MedGen UID:
478169
Concept ID:
C3276539
Disease or Syndrome
4.

Cutis laxa, autosomal recessive, type 1A

FBLN5-related cutis laxa is characterized by cutis laxa, early childhood-onset pulmonary emphysema, peripheral pulmonary artery stenosis, and other evidence of a generalized connective disorder such as inguinal hernias and hollow viscus diverticula (e.g., intestine, bladder). Occasionally, supravalvar aortic stenosis is observed. Intrafamilial variability in age of onset is observed. Cardiorespiratory failure from complications of pulmonary emphysema (respiratory or cardiac insufficiency) is the most common cause of death. [from GeneReviews]

MedGen UID:
1846304
Concept ID:
C5848058
Disease or Syndrome
5.

Hereditary insensitivity to pain with anhidrosis

NTRK1 congenital insensitivity to pain with anhidrosis (NTRK1-CIPA) is characterized by insensitivity to pain, anhidrosis (the inability to sweat), and intellectual disability. The ability to sense all pain (including visceral pain) is absent, resulting in repeated injuries including: oral self-mutilation (biting of tongue, lips, and buccal mucosa); biting of fingertips; bruising, scarring, and infection of the skin; multiple bone fractures (many of which fail to heal properly); and recurrent joint dislocations resulting in joint deformity. Sense of touch, vibration, and position are normal. Anhidrosis predisposes to recurrent febrile episodes that are often the initial manifestation of NTRK1-CIPA. Hypothermia in cold environments also occurs. Intellectual disability of varying degree is observed in most affected individuals; hyperactivity and emotional lability are common. [from GeneReviews]

MedGen UID:
6915
Concept ID:
C0020074
Disease or Syndrome
6.

Leukocyte adhesion deficiency 1

Leukocyte adhesion deficiency (LAD) is an autosomal recessive disorder of neutrophil function resulting from a deficiency of the beta-2 integrin subunit of the leukocyte cell adhesion molecule. The leukocyte cell adhesion molecule is present on the surface of peripheral blood mononuclear leukocytes and granulocytes and mediates cell-cell and cell-extracellular matrix adhesion. LAD is characterized by recurrent bacterial infections; impaired pus formation and wound healing; abnormalities of a wide variety of adhesion-dependent functions of granulocytes, monocytes, and lymphocytes; and a lack of beta-2/alpha-L, beta-2/alpha-M, and beta-2/alpha-X expression. Genetic Heterogeneity of Leukocyte Adhesion Deficiency Also see LAD2 (266265), caused by mutation in the SLC35C1 gene (605881), and LAD3 (612840), caused by mutation in the FERMT3 gene (607901). [from OMIM]

MedGen UID:
98310
Concept ID:
C0398738
Disease or Syndrome
7.

Ehlers-Danlos syndrome, dermatosparaxis type

Dermatosparaxis (meaning 'tearing of skin') is an autosomal recessive disorder of connective tissue resulting from deficiency of procollagen peptidase, an enzyme that aids in the processing of type I procollagen. The disorder and the responsible biochemical defect was first observed in cattle (Lapiere et al., 1971). Lapiere and Nusgens (1993) reviewed the discovery of dermatosparaxis in cattle, the elucidation of the disorder, its occurrence in other animals, and the delayed recognition of the disorder in the human. [from OMIM]

MedGen UID:
397792
Concept ID:
C2700425
Disease or Syndrome
8.

Ehlers-Danlos syndrome, periodontal type 1

Periodontal Ehlers-Danlos syndrome (pEDS) is characterized by distinct oral manifestations. Periodontal tissue breakdown beginning in the teens results in premature loss of teeth. Lack of attached gingiva and thin and fragile gums lead to gingival recession. Connective tissue abnormalities of pEDS typically include easy bruising, pretibial plaques, distal joint hypermobility, hoarse voice, and less commonly manifestations such as organ or vessel rupture. Since the first descriptions of pEDS in the 1970s, 148 individuals have been reported in the literature; however, future in-depth descriptions of non-oral manifestations in newly diagnosed individuals with a molecularly confirmed diagnosis of pEDS will be important to further define the clinical features. [from GeneReviews]

MedGen UID:
1642148
Concept ID:
C4551499
Disease or Syndrome
9.

Ehlers-Danlos syndrome, arthrochalasia type

Arthrochalasia-type EDS is distinguished from other types of EDS by the frequency of congenital hip dislocation and extreme joint laxity with recurrent joint subluxations and minimal skin involvement (Byers et al., 1997; Giunta et al., 2008). Genetic Heterogeneity of Arthrochalasia-type Ehlers-Danlos Syndrome See EDSARTH2 (617821), caused by mutation in the COL1A2 gene (120160). [from OMIM]

MedGen UID:
1645042
Concept ID:
C4551623
Disease or Syndrome
10.

Dilated cardiomyopathy-hypergonadotropic hypogonadism syndrome

This syndrome is characterized by the association of dilated cardiomyopathy and hypergonadotropic hypogonadism (DCM-HH). [from ORDO]

MedGen UID:
162901
Concept ID:
C0796031
Disease or Syndrome
11.

Ehlers-Danlos syndrome due to tenascin-X deficiency

The clinical features of TNXB-related classical-like Ehlers-Danlos syndrome (clEDS) strongly resemble those seen in classic EDS (cEDS). Affected individuals have generalized joint hypermobility, hyperextensible skin, and easy bruising, but do not have atrophic scarring, as is seen in cEDS. There are also several other distinguishing clinical findings including anomalies of feet and hands, edema in the legs in the absence of cardiac failure, mild proximal and distal muscle weakness, and axonal polyneuropathy. Vaginal, uterine, and/or rectal prolapse can also occur. Tissue fragility with resulting rupture of the trachea, esophagus, and small and large bowel has been reported. Vascular fragility causing a major event occurs in a minority of individuals. Significant variability in the severity of musculoskeletal symptoms and their effect on day-to-day function between unrelated affected individuals as well as among affected individuals in the same family has been reported. Fatigue has been reported in more than half of affected individuals. The severity of symptoms in middle-aged individuals can range from joint hypermobility without complications to being wheelchair-bound as a result of severe and painful foot deformities and fatigue. [from GeneReviews]

MedGen UID:
336244
Concept ID:
C1848029
Disease or Syndrome
12.

Ehlers-Danlos syndrome, musculocontractural type 2

The musculocontractural type of Ehlers-Danlos syndrome (EDSMC2) is characterized by progressive multisystem fragility-related manifestations, including joint dislocations and deformities; skin hyperextensibility, bruisability, and fragility, with recurrent large subcutaneous hematomas; cardiac valvular, respiratory, gastrointestinal, and ophthalmologic complications; and myopathy, featuring muscle hypoplasia, muscle weakness, and an abnormal muscle fiber pattern in histology in adulthood, resulting in gross motor developmental delay (summary by Muller et al., 2013). For a discussion of genetic heterogeneity of the musculocontractural type of Ehlers-Danlos syndrome, see EDSMC1 (601776). [from OMIM]

MedGen UID:
816175
Concept ID:
C3809845
Disease or Syndrome
13.

Neutrophil immunodeficiency syndrome

Immunodeficiency-73A with defective neutrophil chemotaxis and leukocytosis (IMD73A) is an immunologic disorder characterized by onset of recurrent infections in early infancy. Affected infants have periumbilical erythema and later develop skin abscesses and invasive infections. Laboratory studies show leukocytosis, neutrophilia, decreased TRECs, and T-cell abnormalities. Neutrophils showed decreased chemotaxis associated with actin polymerization abnormalities, as well as variably impaired oxidative responses. Hematopoietic stem cell transplant may be curative (summary by Accetta et al., 2011; review by Lougaris et al., 2020). In a review of autosomal forms of chronic granulomatous disease (see 306400 for genetic heterogeneity of CGD), Roos et al. (2021) noted that patients with RAC2 mutations may manifest CGD-like symptoms due to defects in neutrophil NADPH oxidase activity. [from OMIM]

MedGen UID:
374920
Concept ID:
C1842398
Disease or Syndrome
14.

Meester-Loeys syndrome

Meester-Loeys syndrome (MRLS) is an X-linked disorder characterized by early-onset aortic aneurysm and dissection. Other recurrent findings include hypertelorism, pectus deformity, joint hypermobility, contractures, and mild skeletal dysplasia (Meester et al., 2017). [from OMIM]

MedGen UID:
934778
Concept ID:
C4310811
Disease or Syndrome
15.

Pituitary dependent hypercortisolism

Adrenocorticotropic hormone (ACTH) hypersecretion by corticotroph adenomas of the pituitary result in excess cortisol secretion, or Cushing disease. The clinical features of Cushing disease include central obesity, moon facies, 'buffalo hump,' diabetes, hypertension, fatigue, easy bruising, depression, and reproductive disorders. Cushing disease is associated with increased morbidity and mortality, mainly due to cardiovascular or cerebrovascular disease and infections (summary by Perez-Rivas et al., 2015). Mutations in the USP8 gene, leading to an upregulated epidermal growth factor receptor (EGFR; 131550) pathway, have been identified in about 36 to 62% of corticotroph adenomas (summary by Mete and Lopes, 2017). [from OMIM]

MedGen UID:
66381
Concept ID:
C0221406
Disease or Syndrome
16.

Hereditary sensory and autonomic neuropathy type 7

Hereditary sensory and autonomic neuropathy type VII (HSAN7) is characterized by congenital absence of pain sensation resulting in recurrent injuries and self-inflicted wounds. Severe pruritis, intestinal dysmotility, and hyperhydrosis may be present (Woods et al., 2015; Salvatierra et al., 2018). For a discussion of genetic heterogeneity of hereditary sensory and autonomic neuropathy, see HSAN1 (162400). [from OMIM]

MedGen UID:
816212
Concept ID:
C3809882
Disease or Syndrome
17.

Combined osteogenesis imperfecta and Ehlers-Danlos syndrome 2

Combined osteogenesis imperfecta and Ehlers-Danlos syndrome-2 (OIEDS2) is an autosomal dominant generalized connective tissue disorder characterized by features of both osteogenesis imperfecta (bone fragility, long bone fractures, blue sclerae) and Ehlers-Danlos syndrome (joint hyperextensibility, soft and hyperextensible skin, abnormal wound healing, easy bruising, vascular fragility) (summary by Raff et al., 2000 and Malfait et al., 2013). For a discussion of genetic heterogeneity of combined osteogenesis imperfecta and Ehlers-Danlos syndrome, see 619115. [from OMIM]

MedGen UID:
1751229
Concept ID:
C5436847
Disease or Syndrome
18.

Combined osteogenesis imperfecta and Ehlers-Danlos syndrome 1

Combined osteogenesis imperfecta and Ehlers-Danlos syndrome-1 (OIEDS1) is an autosomal dominant generalized connective tissue disorder characterized by features of both osteogenesis imperfecta (bone fragility, long bone fractures, blue sclerae) and Ehlers-Danlos syndrome (joint hyperextensibility, soft and hyperextensible skin, abnormal wound healing, easy bruising, vascular fragility) (summary by Cabral et al., 2007; Malfait et al., 2013). Genetic Heterogeneity of Combined Osteogenesis Imperfecta and Ehlers-Danlos Syndrome Also see OIEDS2 (619120), caused by mutation in the COL1A2 gene (120160) on chromosome 7q21. [from OMIM]

MedGen UID:
1763836
Concept ID:
C5436842
Disease or Syndrome
19.

Ehlers-Danlos syndrome, classic-like, 2

Ehlers-Danlos syndrome classic-like-2 (EDSCLL2) is characterized by severe joint and skin laxity, osteoporosis involving the hips and spine, osteoarthritis, soft redundant skin that can be acrogeria-like, delayed wound healing with abnormal atrophic scarring, and shoulder, hip, knee, and ankle dislocations. Variable features include gastrointestinal and genitourinary manifestations, such as bowel rupture, gut dysmotility, cryptorchidism, and hernias; vascular complications, such as mitral valve prolapse and aortic root dilation; and skeletal anomalies (Blackburn et al., 2018). For a discussion of genetic heterogeneity of classic-like Ehlers-Danlos syndrome, see 606408. For a discussion of the classification of EDS, see 130000. [from OMIM]

MedGen UID:
1632001
Concept ID:
C4693870
Disease or Syndrome
20.

Warburg-cinotti syndrome

Warburg-Cinotti syndrome (WRCN) is characterized by progressive corneal neovascularization, keloid formation, chronic skin ulcers, wasting of subcutaneous tissue, flexion contractures of the fingers, and acroosteolysis (Xu et al., 2018). [from OMIM]

MedGen UID:
1677486
Concept ID:
C5193019
Disease or Syndrome
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