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Some people may have some mental slowness, but children with this condition often have good social skills. Some males may have problems with fertility.
Treatments are usually based on the individuals symptoms that are displayed. The seizures are controlled with anticonvulsant medication. For the behavior problems, the doctors proscribe to a few medications and behavioral modification routines that involve therapists and other types of therapy. Even if mental retardation is severe, it does not seem to shorten the lifespan of the patient or to get worse with age.
Recent research has been focused on studying large series of cases of 3-M syndrome to allow scientists to obtain more information behind the genes involved in the development of this disorder. Knowing more about the underlying mechanism can reveal new possibilities for treatment and prevention of genetic disorders like 3-M syndrome.
- One study looks at 33 cases of 3M syndrome, 23 of these cases were identified as CUL7 mutations: 12 being homozygotes and 11 being heterozygotes. This new research shows genetic heterogeneity in 3M syndrome, in contrast to the clinical homogeneity. Additional studies are still ongoing and will lead to the understanding of this new information.
- This study provides more insight on the three genes involved in 3M syndrome and how they interact with each other in normal development. It lead to the discovery that the CUL7, OBS1, and CCDC8 form a complex that functions to maintain microtubule and genomic integrity.
Similar to all genetic diseases Aarskog–Scott syndrome cannot be cured, although numerous treatments exist to increase the quality of life.
Surgery may be required to correct some of the anomalies, and orthodontic treatment may be used to correct some of the facial abnormalities. Trials of growth hormone have been effective to treat short stature in this disorder.
There are no cures for FHS. Close monitoring of growth in the first few years is essential, as well as annual general health screening and tests listed below. An FHS diagnosis will affect the individual and those there to support them.
Managing symptoms and features of FHS involves maintaining a close watch on the patient's physical as well as mental health. This would include:
- Sequencing of SRCAP exons 31–34 in all suspected cases
- Complete assessments of auditory and visual systems
- Renal and urinary tract ultrasound
- Orthopedic assessment of hip dysplasia and clavicle abnormalities
- Neurologic assessment if there is a suspicion of seizures
- Dental hygiene to prevent cavities and to monitor for malocclusion
- Evaluation for growth hormone deficiency at baseline, to be repeated if loss of growth velocity occurs
- Monitoring of bone age and pubertal timing in case of precocious puberty
- Psychoeducational assessments corrected for deficiencies in expressive language and sensory issues
- Monitoring of behavioral disturbances and provision of early intervention
- Counseling for families regarding recurrence risk and the offspring of individuals with FHS
Special education programs and vocational training to address developmental disabilities are highly recommended, as well as communication rehabilitation with sign language or alternative means of communication. Behavior management strategies could also include referrals to behavior specialists or psychologists for help. For those concerned, genetic counseling can be sought for issues related to testing of at-risk relatives.
This disorder is present at birth, however, it may not be understood until several years after birth. Acrodysostosis affects males and females in almost similar numbers. It is difficult to determine the frequency of acrodysostosis in the population as many cases of this disorder cannot be diagnosed properly.
There is no cure as of now. Treatment is directed towards the specific symptoms that are present in each individual. Individuals with hearing loss are able to get treated with hearing aids.
Treatment of 3-M syndrome is aimed at the specific symptoms presented in each individual. With the various symptoms of this disorder being properly managed and affected individuals having normal mental development, 3-M syndrome is not a life - threatening condition and individuals are able to lead a near normal life with normal life expectancy.
Treatment may involve the coordinated efforts of many healthcare professionals, such as pediatricians, orthopedists, dentists and/or other specialists depending on the symptoms.
- Possible management options for short stature are surgical bone lengthening or growth hormone therapy.
- Orthopedic techniques and surgery may be used to treat certain skeletal abnormalities.
- Plastic surgery may also be performed on individuals to help correct certain cranio-facial anomalies.
- Individuals with dental abnormalities may undergo corrective procedures such as braces or oral surgeries.
it is mainly associated with talon cusp. It is developmental anomaly of shape of teeth
There are no treatment to return to its normal functions. However, there are treatments for the different symptoms.
For the Developmental symptoms, Educational intervention and speech therapy beginning in infancy could help to reduce the high risk for motor, cognitive, speech, and language delay
For theSkeletal features, referral to an orthopedist for consideration of surgical release of contractures. In addition,early referral to physical therapy could help increase joint mobility.
Lastly, Thyroid hormone replacement could help out the thyroid dysfunction
Treatment for MSS is symptomatic and supportive including physical and occupational therapy, speech therapy, and special education. Cataracts must be removed when vision is impaired, generally in the first decade of life. Hormone replacement therapy is needed if hypogonadism is present.
In a study published in 2012 in the "Journal of Pediatric Endocrinology", a group of scientists reported the long-term effects of a patient diagnosed with FHS undergoing growth hormone therapy from the age of 3.5 years to 9 years old. While the GH seemed to work initially, the patient's growth after the first couple years slowed significantly and the patient reached a stable height far below the target or standard height. The results on GH therapy remain inconclusive.
Recent research mostly centers around the search and confirmation of the gene responsible for FHS. As discussed in the mechanisms section, though the mutation of SRCAP is a widely accepted indicator of a patient diagnosed with FHS, it is not the cause in every case.
Malouf syndrome (also known as "congestive cardiomyopathy-hypergonadotropic hypogonadism syndrome") is a congenital disorder that causes one or more of the following symptoms: mental retardation, ovarian dysgenesis, congestive cardiomyopathy, broad nasal base, blepharoptosis, and bone abnormalities, and occasionally marfanoid habitus (tall stature with long and thin limbs, little subcutaneous fat, arachnodactyly, joint hyperextension, narrow face, small chin, large testes, and hypotonia).
This disease is named after J. Malouf, who performed a case study on a family suffering from this disease in 1985.
Renpenning's syndrome is a neurodevelopmental disorder recognised in males that causes intellectual disability, mild growth retardation with examples in the testes and head, and a somewhat short stature. The condition only affects males, starting at birth, and was first characterized in 1962. but first described by Hans Renpenning in 1963 after he documented these traits on many children in one family alone.
It can be associated with "PQBP1".
Unlike Borjeson-Forssman-Lehmann syndrome, a disorder that was determined to be very similar to WTS, the individuals with Wilson–Turner syndrome do not develop cataracts or hypermetropia later in life. By far, the most debilitating part of this disorder is intellectual disability. Many of the other symptoms are more easily managed through hormone treatment, proper diet and exercise, and speech therapy.
SHORT syndrome is a medical condition in which affected individuals have multiple birth defects in different organ systems.
It was characterized in 1975.
On September 15, 1991 in Sydney, Australia at the Prince of Wales Children's Hospital, reported on two brothers with a distinct facial appearance, severe mental retardation, short stature, cryptorchidism (undescended testicle), asplenia in one (absent spleen), dramatic failure to thrive, early hypotonia, and later hypertonia, all suggestive of the Smith–Fineman–Myers syndrome. All five of the reported cases have been males, suggesting X-linked inheritance.
On September 23, 1998 at the Hospital Injury Research and Rehabilitation at the University of São Paulo in Bauru, Brazil report on two boys, monozygotic twins born to normal and non consanguineous parents, presenting with an unusual facial appearance, cortical atrophy, dolichocephaly, short stature, cleft palate, micrognathia, prominent upper central incisors, bilateral Sidney line, minor foot deformities, unstableness in walking, early hypotonia, hyperreflexia, hyperactivity, psychomotor retardation, and severe delay in language development. These symptoms resemble those previously described in the Smith–Fineman–Myers syndrome.
Acrodysostosis also known as Arkless-Graham syndrome or Maroteaux-Malamut syndrome is a rare congenital malformation syndrome which involves shortening of the interphalangeal joints of the hands and feet, intellectual disability in approximately 90% of affected children, and peculiar facies. Other common abnormalities include short head (as measured front to back), small broad upturned nose with flat nasal bridge, protruding jaw, increased bone age, intrauterine growth retardation, juvenile arthritis and short stature. Further abnormalities of the skin, genitals, teeth, and skeleton may occur.
Most reported cases have been sporadic, but it has been suggested that the condition might be genetically related i.e. in an autosomal dominant mode of transmission. Both males and females are affected. The disorder has been associated with the older age of parents at the time of conception.
A PRKAR1A mutation has been identified in acrodysostosis with hormone resistance.
Zori–Stalker–Williams syndrome, also known as pectus excavatum, macrocephaly, short stature and dysplastic nails, is a rare autosomal dominant congenital disorder associated with a range of features such as pectus excavatum, macrocephaly and dysplastic nails, familial short stature, developmental delay and distinctive facies. Further signs are known to be associated with this syndrome.
The name originates from the researchers who first defined and noticed the syndrome and its clinical signs.
It is believed that the syndrome is inherited in an autosomal dominant pattern, though there has been no new research undertaken for this rare disease.
Rubinstein–Taybi syndrome (RTS), also known as broad thumb-hallux syndrome or Rubinstein syndrome, is a condition characterized by short stature, moderate to severe learning difficulties, distinctive facial features, and broad thumbs and first toes. Other features of the disorder vary among affected individuals.
People with this condition have an increased risk of developing noncancerous and cancerous tumors, leukemia, and lymphoma. This condition is sometimes inherited as an autosomal dominant pattern and is uncommon, many times it occurs as a de novo (not inherited) occurrence, it occurs in an estimated 1 in 125,000-300,000 births.
Nicolaides–Baraitser syndrome (NCBRS) is a rare genetic condition caused by de novo missense mutations in the SMARCA2 gene and has only been reported in less than 100 cases worldwide. NCBRS is a distinct condition and well recognizable once the symptoms have been identified.
The treatment for Morquio syndrome consists of prenatal identification and of enzyme replacement therapy. On 12 February 2014, the US Food and Drug Administration approved the drug elosulfase alfa (Vimizim) for treating the disease.
The syndrome primarily affects young males. Preliminary studies suggest that prevalence may be 1.8 per 10,000 live male births. 50% of those affected do not live beyond 25 years of age, with deaths attributed to the impaired immune function.
In 1988, Goldblatt et al. first reported a 4-year-old boy with hypoplastic patellae, mental retardation, scrotal hypoplasia, skeletal deformities, renal anomalies, flattened nasal bridge, and short stature. Later in 2000, Cormier-Daire et al. reported seven patients with genital anomalies (scrotal hypoplasia and cryptorchidism in the boys and clitoral hypertrophy in the girls), facial dysmorphism, renal anomalies, absent patella, and severe mental retardation in the two survivors. The condition is now known as genitopatellar syndrome.
No specific treatment or cure exists. Affected children usually need total parenteral nutrition through a central venous catheter. Further worsening of liver damage should however be avoided if possible. Diarrhea will likely continue even though food stops passing through the gastrointestinal system. They can subsequently be managed with tube feeding, and some may be weaned from nutritional support during adolescence.