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Items: 9

1.

BIDS brittle hair-impaired intellect-decreased fertility-short stature syndrome

Trichothiodystrophy, which is commonly called TTD, is a rare inherited condition that affects many parts of the body. The hallmark of this condition is brittle hair that is sparse and easily broken. Tests show that the hair is lacking sulfur, an element that normally gives hair its strength.The signs and symptoms of trichothiodystrophy vary widely. Mild cases may involve only the hair. More severe cases also cause delayed development, significant intellectual disability, and recurrent infections; severely affected individuals may survive only into infancy or early childhood.Mothers of children with trichothiodystrophy may experience problems during pregnancy including pregnancy-induced high blood pressure (preeclampsia) and a related condition called HELLP syndrome that can damage the liver. Babies with trichothiodystrophy are at increased risk of premature birth, low birth weight, and slow growth.Most affected children have short stature compared to others their age. Intellectual disability and delayed development are common, although most affected individuals are highly social with an outgoing and engaging personality. Some have brain abnormalities that can be seen with imaging tests. Trichothiodystrophy is also associated with recurrent infections, particularly respiratory infections, which can be life-threatening. Other features of trichothiodystrophy can include dry, scaly skin (ichthyosis); abnormalities of the fingernails and toenails; clouding of the lens in both eyes from birth (congenital cataracts); poor coordination; and skeletal abnormalities.About half of all people with trichothiodystrophy have a photosensitive form of the disorder, which causes them to be extremely sensitive to ultraviolet (UV) rays from sunlight. They develop a severe sunburn after spending just a few minutes in the sun. However, for reasons that are unclear, they do not develop other sun-related problems such as excessive freckling of the skin or an increased risk of skin cancer. Many people with trichothiodystrophy report that they do not sweat.
[from GHR]

MedGen UID:
149256
Concept ID:
C0740342
Disease or Syndrome
2.

Xeroderma pigmentosum

Xeroderma pigmentosum (XP) is characterized by: Sun sensitivity (severe sunburn with blistering, persistent erythema on minimal sun exposure in ~60% of affected individuals), with marked freckle-like pigmentation of the face before age two years in most affected individuals; Sunlight-induced ocular involvement (photophobia, keratitis, atrophy of the skin of the lids); Greatly increased risk of sunlight-induced cutaneous neoplasms (basal cell carcinoma, squamous cell carcinoma, melanoma). Approximately 25% of affected individuals have neurologic manifestations (acquired microcephaly, diminished or absent deep tendon stretch reflexes, progressive sensorineural hearing loss, and progressive cognitive impairment). The most common causes of death are skin cancer, neurologic degeneration, and internal cancer. The median age at death in persons with XP with neurodegeneration (29 years) was found to be younger than that in persons with XP without neurodegeneration (37 years). [from GeneReviews]

MedGen UID:
21943
Concept ID:
C0043346
Congenital Abnormality
3.

Thyroid hormone plasma membrane transport defect

MedGen UID:
396060
Concept ID:
C1861101
Disease or Syndrome
4.

Cutaneous photosensitivity

increased sensitivity of the skin to light and other sources of UV [from CHV]

MedGen UID:
87601
Concept ID:
C0349506
Finding; Pathologic Function
5.

Intellectual disability, profound

Profound mental retardation is defined as an intelligence quotient (IQ) below 20. [from HPO]

MedGen UID:
43816
Concept ID:
C0020796
Finding; Mental or Behavioral Dysfunction
6.

Mental disorder

Mental disorders include a wide range of problems, including. -Anxiety disorders, including panic disorder, obsessive-compulsive disorder, post-traumatic stress disorder, and phobias. -Bipolar disorder. -Depression. -Mood disorders. -Personality disorders. -Psychotic disorders, including schizophrenia. There are many causes of mental disorders. Your genes and family history may play a role. Your life experiences, such as stress or a history of abuse, may also matter. Biological factors can also be part of the cause. A traumatic brain injury can lead to a mental disorder. A mother's exposure to viruses or toxic chemicals while pregnant may play a part. Other factors may increase your risk, such as use of illegal drugs or having a serious medical condition like cancer. Medications and counseling can help many mental disorders. .  [from MedlinePlus]

MedGen UID:
14047
Concept ID:
C0004936
Mental or Behavioral Dysfunction
7.

Abnormality of the skin

An abnormality of the skin. [from HPO]

MedGen UID:
11449
Concept ID:
C0037268
Disease or Syndrome; Finding
8.

Ichthyosis

Any of several generalized skin disorders characterized by dryness, roughness, and scaliness, due to hypertrophy of the stratum corneum epidermis. Most are genetic, but some are acquired, developing in association with other systemic disease or genetic syndrome. [from MeSH]

MedGen UID:
7002
Concept ID:
C0020757
Congenital Abnormality; Disease or Syndrome
9.

Hair defect with photosensitivity and mental retardation

MedGen UID:
383868
Concept ID:
C1856241
Disease or Syndrome
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