Amniotic Band Syndrome
Iliotibial Band Syndrome
National Heart, Lung, and Blood Institute (U.S.)
Myosin Type II
Nonmuscle Myosin Type IIA
Nonmuscle Myosin Type IIB
Editorial Policies
Authorship
Oligohydramnios
Polyhydramnios
Amniotic Fluid
Ultrasonography, Prenatal
Gestational Age
Pregnancy
Fetal acalvaria with amniotic band syndrome. (1/29)
A case of amniotic band syndrome (ABS) presenting with acalvaria is reported. ABS includes a spectrum of non-genetic anomalies, varying from simple digital band constriction to major craniofacial and visceral defects, and even fetal death. Acalvaria is a rare congenital malformation characterised by the absence of the dome-like superior portion of the cranium comprising the frontal, parietal, and occipital bones and dura mater, in the presence of a normal skull base and facial bones with complete cranial contents. No two cases are the same. Acrania or absence of the flat skull bones with disorganised cerebral hemispheres have been reported in the presence of amniotic bands. ABS is an aetiological factor in acalvaria. Appropriate counselling for affected families needs to be given after prenatal diagnosis. (+info)Intrauterine sling: a complication of the stuck twin syndrome. (2/29)
Stuck twin syndrome usually presents with polyhydramnios in the recipient sac and severe oligohydramnios in the donor sac. The donor is displaced against the uterine wall and remains adherent in that position. We present a case in which the diagnosis was more complicated, owing to the suspension of the stuck twin by a sling within the sac of the recipient. A monochorionic diamnionic twin gestation was complicated by twin-twin transfusion syndrome at 18 weeks of gestation. In our example, the stuck twin was suspended by a sling from the placenta. The sling band represented the intertwin membrane that was folded upon itself. Amniotic fluid from the recipient twin was present in three dimensions around the stuck twin, except for the sling band. The suspension of the stuck twin by a sling within the amniotic fluid of the recipient is an unusual manifestation of the stuck twin syndrome. (+info)Constriction band of the arm following insertion of a pleuro-amniotic shunt. (3/29)
In a 23-week fetus with a large left-sided pleural effusion a double pigtail pleuro-amniotic shunt was inserted uneventfully. A healthy infant was delivered at 38 weeks' gestation. One end of the shunt was in the thoracic cavity but the other end was found wrapped around the upper arm resulting in a constriction band. There was no impairment of the vascular supply to the limb or in its motor or sensory function and by 6 months of age there was only a faint ring still apparent around the upper arm. (+info)Combined cuboid/cuneiform osteotomy for correction of residual adductus deformity in idiopathic and secondary club feet. (4/29)
We used a combined cuboid/cuneiform osteotomy to treat residual adductus deformity in idiopathic and secondary club feet. The mean follow-up for 27 feet (22 idiopathic, four arthrogrypotic and one related to amniotic band syndrome) was 5.0 years (2.0 to 9.8). All healed uneventfully except for one early wound infection. No further surgery was required in the 22 idiopathic club feet but four of five with secondary deformity needed further surgery. At follow-up all patients with idiopathic and two with secondary club feet were free from pain and satisfied with the result. In the idiopathic feet, adductus of the forefoot, as measured by the calcaneal second metatarsal angle, improved on average from 20.7 +/- 2.0 degrees to 8.9 +/- 1.8 degrees (p < 0.05). In four feet, with a follow-up of more than six years, there was complete recurrence of the deformity. In the secondary club feet, there was no improvement of the adductus. We conclude that in most, but not all, idiopathic club feet a cuboid/cuneiform osteotomy can provide satisfactory correction of adductus deformity. Those with secondary deformity require other procedures. (+info)A malformed fetus in a rudimentary uterine horn pregnancy. (5/29)
We present a case of a 13-week pregnancy with a malformed fetus in a ruptured, non-communicating rudimentary horn. The patient, a 21-year-old woman with pelvic and right-sided abdominal pain, was admitted to the gynecology clinic of our institution. A ruptured rudimentary horn pregnancy was diagnosed by ultrasonography. The fetus in the gestation sac showed evisceration of the liver and intestines and an absent left femur. There was an amniotic band extending across the body of the fetus. The ruptured horn was excised by laparotomy. The factors associated with rudimentary horn pregnancy and related fetal abnormalities are discussed. (+info)Spontaneous resolution of amniotic bands. (6/29)
The amniotic band syndrome comprises a group of sporadic congenital anomalies characterized by amputations, constriction bands, pseudosyndactylism and multiple craniofacial, visceral and body wall defects. It occurs in approximately 1 in 1200 to 1 in 15 000 live births. Some of the cases present with congenital anomalies that are incompatible with life, but a selected group shows isolated limb constrictions. Repeated sonographic examinations afforded us the opportunity of observing the in utero process of limb strangulation and subsequent spontaneous lysis of an amniotic band attached to a fetal elbow. Surgical fetal therapy with lysis of the constriction ring in utero is an option, but intervention is probably not always warranted. Spontaneous resolution does occur. (+info)Prenatal sonographic diagnosis of focal musculoskeletal anomalies. (7/29)
Focal musculoskeletal anomalies vary, and can manifest as part of a syndrome or be accompanied by numerous other conditions such as genetic disorders, karyotype abnormalities, central nervous system anomalies and other skeletal anomalies. Isolated focal musculoskeletal anomaly does, however, also occur; its early prenatal diagnosis is important in deciding prenatal care, and also helps in counseling parents about the postnatal effects of numerous possible associated anomalies. We have encountered 50 cases involving focal musculoskeletal anomalies, including focal limb dysplasia [radial ray abnormality (n=3), mesomelic dysplasia (n=1)]; anomalies of the hand [polydactyly (n=8), syndactyly (n=3), ectrodactyly (n=1), clinodactyly (n=6), clenched hand (n=5)]; anomalies of the foot [clubfoot (n=10), rockerbottom foot (n=5), sandal gap deformity (n=1), curly toe (n=2)]; amniotic band syndrome (n=3); and anomalies of the focal spine [block vertebra (n=1), hemivertebra (n=1)]. Among these 50 cases, five [polydactyly (n=1), syndactyly (n=2) and curly toe (n=2)] were confirmed by postnatal physical evaluation, two (focal spine anomalies) were diagnosed after postnatal radiologic examination, and the remaining 43 were proven at autopsy. For each condition, we describe the prenatal sonographic findings, and include a brief review. (+info)A case of amniotic band syndrome with bilateral epibulbar choristoma. (8/29)
An autopsy case of amniotic band syndrome with bilateral epibulbar choristoma is described. The left eye reveals a complex choristoma and the right eye a dermis-like choristoma. Both choristomatous lesions included lenticular tissue suggesting that rupture of the amnion, which is the initial event of amniotic band syndrome, might have occurred at about the fourth week of gestation. Since the other systemic manifestations of amniotic band syndrome are considered to be compression deformities of the fetus caused by oligohydramnios or amniotic band, the occurrence of epibulbar choristomas in both eyes in this case suggests that a compression mechanism may play a role in the pathogenesis of epibulbar choristoma. (+info)The symptoms of Amniotic Band Syndrome can vary depending on the severity of the entanglement and the location of the bands on the body. Common physical abnormalities include:
* Limb defects, such as clubfoot, missing digits, or webbed fingers and toes
* Skin bridges or flaps
* Craniofacial abnormalities, such as cleft lip or palate
* Gastrointestinal malformations, such as intestinal atresia or stenosis
* Heart defects, such as ventricular septal defect
* Urinary tract abnormalities, such as bladder exstrophy or hypospadias
The cause of Amniotic Band Syndrome is not well understood, but it is thought to occur when the amniotic membrane ruptures and the fetus becomes entangled in the resulting bands. The condition can be diagnosed during pregnancy through ultrasound examination, and after birth through physical examination and imaging studies.
There is no standard treatment for Amniotic Band Syndrome, as the severity of the condition and the specific abnormalities present vary widely from case to case. Treatment may include surgery to correct physical abnormalities, as well as supportive care to manage developmental delays and other complications. The prognosis for children with Amniotic Band Syndrome varies depending on the severity of the condition and the specific abnormalities present, but in general, the condition can have a significant impact on the child's quality of life and long-term outlook.
Symptoms of IT band syndrome may include:
* Pain on the outside of the knee, often worsening with activity or bending
* Swelling and redness in the affected area
* Stiffness and limited mobility in the knee
* Clicking or snapping sensation in the knee as the IT band slides over the bone
IT band syndrome is often caused by excessive running, cycling, or other activities that involve repetitive motion of the knee. Poor biomechanics, such as overpronation or supination, can also contribute to the development of IT band syndrome. Treatment typically involves rest and physical therapy to address any underlying biomechanical issues. Bracing and anti-inflammatory medications may also be used to relieve pain and reduce inflammation. In severe cases, surgery may be necessary to release the IT band and alleviate tension.
Prevention is key in avoiding IT band syndrome. Gradually increasing activity levels and incorporating strengthening exercises for the gluteal muscles can help stabilize the knee joint and reduce the risk of developing IT band syndrome. Proper warm-up and cool-down procedures, as well as wearing appropriate footwear and using proper biomechanics during activity, can also help prevent this condition.
Causes:
There are several possible causes of oligohydramnios, including:
1. Premature rupture of membranes (PROM): This is when the amniotic sac that surrounds the fetus bursts early, before 37 weeks of gestation.
2. Preterm labor: When a woman goes into labor before 37 weeks of gestation, the amount of amniotic fluid may decrease.
3. Uteroplacental blood flow abnormalities: These can occur when there are problems with the placenta or the uterus that affect the flow of blood and oxygen to the fetus.
4. Maternal diabetes: Diabetes in the mother can cause a decrease in amniotic fluid.
5. Infections: Certain infections, such as group B streptococcus, can cause a decrease in amniotic fluid.
6. Kidney or urinary tract problems in the mother: These can affect the amount of amniotic fluid produced.
7. Multiple gestations (twins, triplets): The amount of amniotic fluid may be lower in multiple pregnancies.
8. Abnormal fetal development: In some cases, a chromosomal abnormality or other fetal problem can cause a decrease in amniotic fluid.
Symptoms:
Women with oligohydramnios may experience few or no symptoms at all. However, some women may notice:
1. Decreased fetal movement: With less amniotic fluid, the fetus may not be able to move as much, making it feel less active or even still.
2. Abnormal fetal positioning: The fetus may not be able to move into a normal position for delivery, which can make the delivery more difficult.
3. Increased risk of umbilical cord compression: If the umbilical cord is compressed by the placenta or other tissues, it can cause a decrease in blood flow to the fetus, leading to distress and potentially even stillbirth.
4. Preterm labor: Women with oligohydramnios may be at increased risk of going into preterm labor.
Treatment and Management:
There is no specific treatment for oligohydramnios. However, the condition is often monitored closely during pregnancy to ensure that the fetus is healthy and growing properly. The following steps may be taken to manage oligohydramnios:
1. Close monitoring: Regular ultrasound examinations are used to check the amount of amniotic fluid and fetal growth.
2. Fetal movement monitoring: The fetus's movements may be monitored to ensure that it is still active and healthy.
3. Increased prenatal care: Women with oligohydramnios may require more frequent prenatal appointments to monitor the condition and ensure that the fetus is healthy.
4. Hydration: Drinking plenty of water and other fluids can help to increase the amount of amniotic fluid.
5. Bed rest: In some cases, women with oligohydramnios may be advised to rest in bed to reduce the risk of preterm labor.
6. Medications: In severe cases, medications such as corticosteroids may be prescribed to help mature the fetal lungs and increase the chances of survival if the baby is born prematurely.
7. Induction of labor: If the condition persists or the fetus is not growing properly, induction of labor may be considered.
In conclusion, oligohydramnios can be a serious complication during pregnancy that can increase the risk of stillbirth and other complications. However, with close monitoring and appropriate management, the outcomes for both mother and baby can be improved. It is essential to work closely with a healthcare provider to monitor the condition and make any necessary adjustments to ensure a healthy pregnancy.
Causes of Polyhydramnios:
There are several possible causes of polyhydramnios, including:
1. Chromosomal abnormalities: Genetic disorders such as Down syndrome can cause an excessive amount of amniotic fluid.
2. Maternal diabetes: Diabetes in the mother can cause an imbalance in the placenta and lead to polyhydramnios.
3. Previous stillbirth: Women who have had a previous stillbirth are at higher risk for developing polyhydramnios in subsequent pregnancies.
4. Fetal anomalies: Abnormalities in the fetus, such as heart or spinal cord defects, can cause an accumulation of amniotic fluid.
5. Maternal hypertension: High blood pressure in the mother can lead to polyhydramnios.
6. Preeclampsia: This is a condition that causes high blood pressure and damage to organs such as the liver and kidneys.
7. Urinary tract infections: Infections in the urinary tract can cause an excessive amount of amniotic fluid.
8. Maternal obesity: Obese women are at higher risk for developing polyhydramnios due to their increased body mass index (BMI).
Symptoms of Polyhydramnios:
Polyhydramnios can cause a range of symptoms, including:
1. Enlarged uterus: The uterus may become enlarged due to the excessive amount of amniotic fluid.
2. Abdominal pain: Women with polyhydramnios may experience abdominal pain and discomfort.
3. Increased urination: Drinking more water may be necessary to accommodate the excessive amount of amniotic fluid.
4. Pressure on the bladder: The excessive fluid can put pressure on the bladder, leading to frequent urination and discomfort.
5. Difficulty breathing: In severe cases, the excessive fluid can put pressure on the lungs, making it difficult to breathe.
6. Premature labor: Polyhydramnios can increase the risk of premature labor.
7. Preterm rupture of membranes (PROM): The amniotic sac may rupture before 37 weeks of gestation, leading to preterm labor and delivery.
8. Fetal distress: The excessive fluid can cause fetal distress, which can lead to complications during delivery.
Treatment of Polyhydramnios:
Treatment for polyhydramnios depends on the underlying cause and the severity of the condition. Some possible treatments include:
1. Bed rest or hospitalization: Women with polyhydramnios may be advised to rest in bed or be hospitalized to monitor the condition and prevent complications.
2. Diuretics: Medications that increase urine production can help reduce the amount of amniotic fluid.
3. Amnioreduction: A procedure in which a needle is inserted into the uterus to remove excess amniotic fluid.
4. Induction of labor: In severe cases, labor may be induced to prevent complications.
5. Cesarean section: If the condition is not resolved with other treatments, a cesarean section may be necessary to deliver the baby safely.
In conclusion, polyhydramnios is a condition characterized by an excessive amount of amniotic fluid during pregnancy. It can cause discomfort, difficulty breathing, and increase the risk of complications such as premature labor and preterm rupture of membranes. Treatment options include bed rest, diuretics, amnioreduction, induction of labor, and cesarean section. If you suspect you have polyhydramnios, it is essential to consult with your healthcare provider for proper diagnosis and treatment.
Examples of fetal diseases include:
1. Down syndrome: A genetic disorder caused by an extra copy of chromosome 21, which can cause delays in physical and intellectual development, as well as increased risk of heart defects and other health problems.
2. Spina bifida: A birth defect that affects the development of the spine and brain, resulting in a range of symptoms from mild to severe.
3. Cystic fibrosis: A genetic disorder that affects the respiratory and digestive systems, causing thick mucus buildup and recurring lung infections.
4. Anencephaly: A condition where a portion of the brain and skull are missing, which is usually fatal within a few days or weeks of birth.
5. Clubfoot: A deformity of the foot and ankle that can be treated with casts or surgery.
6. Hirschsprung's disease: A condition where the nerve cells that control bowel movements are missing, leading to constipation and other symptoms.
7. Diaphragmatic hernia: A birth defect that occurs when there is a hole in the diaphragm, allowing organs from the abdomen to move into the chest cavity.
8. Gastroschisis: A birth defect where the intestines protrude through a opening in the abdominal wall.
9. Congenital heart disease: Heart defects that are present at birth, such as holes in the heart or narrowed blood vessels.
10. Neural tube defects: Defects that affect the brain and spine, such as spina bifida and anencephaly.
Early detection and diagnosis of fetal diseases can be crucial for ensuring proper medical care and improving outcomes for affected babies. Prenatal testing, such as ultrasound and blood tests, can help identify fetal anomalies and genetic disorders during pregnancy.
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Browsing by Subject "Amniotic Band Syndrome"
Amniotic Band Syndrome - PubMed
Limb body wall complex, amniotic band sequence, or new syndrome caused by mutation in IQ Motif containing K (IQCK)? - PubMed
Amniotic band sequence: MedlinePlus Medical Encyclopedia
Constrictive amniotic band syndrome, when the embryo gets caught. | Ugeskr Laeger;185(28)2023 Jul 10. | MEDLINE
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Deformities
Deformities2
- Likewise, ABS has many names: amnion rupture sequence, ADAM complex (amniotic deformities/adhesions/mutilations), amniotic band disruption complex, congenital constricting bands, terminal transverse defects, and Streeter anomaly. (nih.gov)
- Complex of amniotic deformities, adhesions, mutilations: Endless debate]. (nih.gov)
Limb5
- Constrictive amniotic bands, amniotic adhesions, and limb-body wall complex: discrete disruption sequences with pathogenetic overlap. (nih.gov)
- Limb body wall complex, amniotic band sequence, or new syndrome caused by mutation in IQ Motif containing K (IQCK)? (nih.gov)
- Limb reduction defect excluding congenital amputation and dwarfing syndromes. (cdc.gov)
- Amniotic Band Syndrome (ABS) is an uncommon congenital abnormality that causes entrapment of fetal parts (usually a limb or digits) in fibrous amniotic bands while in utero. (footcarespecialists.com)
- An infant with limb abnormalities generally has other symptoms and signs that, when taken together, define a specific syndrome or condition or give a clue as to the cause of the abnormality. (nih.gov)
Congenital5
- Amniotic band syndrome (ABS) comprises various congenital anomalies, which include disruption, deformation, and malformations of organs that were intended to develop normally. (nih.gov)
- Amniotic band syndrome should be called a sequence rather than a syndrome because the pattern of anomalies in ABS are related to an insult that can result from multiple etiologies, whereas a syndrome refers to patterns of congenital anomalies that are known to result from single etiology (e.g. (nih.gov)
- Congenital bands affecting large parts of the body cause the most problems. (medlineplus.gov)
- Amniotic band syndrome is a rare congenital disorder. (ajol.info)
- Congenital constriction band syndrome: a case report. (edu.in)
Sequence1
- Amniotic band sequence (ABS) is a group of rare birth defects that are thought to occur when strands of the amniotic sac detach and wrap around parts of the baby in the womb. (medlineplus.gov)
Fetal6
- Amniotic fluid is necessary for the proper growth and development of the fetus, cushioning it from physical trauma, allowing fetal lung growth, and providing a barrier against infection. (medscape.com)
- An inadequate volume of amniotic fluid, called oligohydramnios , results in poor development of the lung tissue and can lead to fetal death. (medscape.com)
- Midtrimester PROM often leads to pulmonary hypoplasia, fetal compression syndrome, and amniotic band syndrome. (medscape.com)
- The assessment of amniotic fluid volume is important in pregnancies complicated by abnormal fetal growth or intrauterine growth restriction (IUGR). (medscape.com)
- AFV is a predictor of the fetal tolerance of labor, and it is associated with an increased risk of abnormal heart rate, meconium-stained amniotic fluid, and cesarean delivery. (medscape.com)
- Central nervous system associated with maternal anticonvulsant malformations were also excluded because therapy, and can also occur in fetal alcohol they need special neuroimaging studies syndrome [ 4 ]. (who.int)
Constrictive2
- Constrictive amniotic band syndrome, when the embryo gets caught. (bvsalud.org)
- Constrictive amniotic band syndrome (CABS) is a rare condition which occurs sporadically and should not be compared with a syndrome as it is known from genetics . (bvsalud.org)
Amnion3
- Amniotic bands are thought to be caused by damage to a part of the placenta called the amnion (or amniotic membrane). (medlineplus.gov)
- Damage to the amnion may produce fiber-like bands that can trap or compress parts of the developing baby. (medlineplus.gov)
- However, some cases of ABS deformity may be caused by reduced blood supply without any signs of bands or damage to the amnion. (medlineplus.gov)
Malformations1
- 8. [Amniotic band syndrome and facial malformations]. (nih.gov)
Digits1
- A disorder present in the newborn infant in which constriction rings or bands, causing soft tissue depressions, encircle digits, extremities, or limbs and sometimes the neck, thorax, or abdomen. (nih.gov)
Rupture1
- Some researchers believe that ABS is caused by early amniotic rupture, which leads to the formation of fibrous strands that entangle limbs and appendages. (footcarespecialists.com)
Anterior1
- An abnormality of the anterior abdominal wall, lateral to the umbilicus, resulting in herniation of the abdominal contents directly into the amniotic cavity. (cdc.gov)
Absent1
- This fetus has bilaterally absent kidneys consistent with a diagnosis of Potter syndrome. (medscape.com)
Fibrous3
- Treatment may include surgical excision of the fibrous band and any necrotic tissue. (footcarespecialists.com)
- The disease occurs when the fibrous bands of the amniotic sac becomes tangled around a developing fetus. (claiborneprogress.net)
- Some of the fibrous bands also wrapped around her right upper arm, cutting into the bicep and tricep. (claiborneprogress.net)
Chromosomal1
- Turner syndrome is due to XO chromosomal anomaly). (nih.gov)
Partial1
- C85866 Autosomal Recessive Hereditary Disorder C3492 Specific Enzyme Deficiency C99147 Neonatal Research Network Terminology C34518 Cri du Chat Syndrome 5p Partial Monosomy Syndrome A genetic syndrome resulting from a partial deletion on the short arm of chromosome 5. (nih.gov)
Diagnosis1
- Check if a diagnosis of Down syndrome, Trisomy 21 is confirmed or pending. (cdc.gov)
Disease1
- It has been known for several years that single amino acid mutations in MYH9 lead to a human disease syndrome called MYH9-RD that includes abnormalities of the kidneys, platelets, lens of the eye, and the inner ear. (nih.gov)
Gordon Syndrome1
- Gordon Syndrome is an extremely rare disorder that belongs to a group of genetic disorders known as the distal arthrogryposes. (dallaspodiatrist.com)
Rare3
- Maffucci's Syndrome is a very rare form of enchondromatosis that combines multiple enchondromas in bones anywhere in the body with benign soft tissue tumors (known as hemangiomas), which are associated with blood vessels. (footcarespecialists.com)
- Jackson-Weiss Syndrome (JWS) is a rare genetic disorder characterized by foot abnormalities. (idahofootandankle.com)
- Inborn Error of Metabolism C99147 Neonatal Research Network Terminology C84585 Barth Syndrome 3-Methylglutaconic Aciduria Type 2 A rare X-linked syndrome caused by mutations in TAZ1 gene. (nih.gov)
Terminal1
- The inspiration of amniotic fluid at regular intervals is probably needed for terminal alveolar development. (medscape.com)
Include1
- The 2 most commonly used objective methods of determining AFV include measurement of the single deepest pocket (SDP) and the summation of the SDPs in each quadrant, or the amniotic fluid index (AFI). (medscape.com)
Present1
- Two or more of the four conditions must be present for an individual to be diagnosed with WAGR Syndrome. (nih.gov)
Group1
- Fast forward 20+ years, I joined a group on Facebook for people with ABS, Amniotic Band Syndrome (which is what I have on my left arm, Symbradtchly on my right hand) and I met who is now my Soul Sister and best friend, Shelly. (lovewhatmatters.com)
Constriction8
- Depending on the severity of the constriction, the defect may be as minimal as a merely cosmetic band. (medscape.com)
- Pressure from the bands may potentially cause abnormalities distal to the constriction, such as hemihypertrophy, anterolateral bowing, pseudarthrosis, leg-length discrepancy, and resistant teratologic clubfeet. (medscape.com)
- Constriction bands across the head and face may lead to facial clefts. (medscape.com)
- Because ABS is an intrauterine phenomenon probably caused by the rupture of amniotic membranes and constriction of the developing tissue, no medical treatment exists for the condition. (medscape.com)
- Of all the deformities, only the tight constriction bands with gross lymphedema, vascular compromise, or both necessitate immediate surgical release. (medscape.com)
- A disorder present in the newborn infant in which constriction rings or bands, causing soft tissue depressions, encircle digits, extremities, or limbs and sometimes the neck, thorax, or abdomen. (bvsalud.org)
- Disorder with an extremely variable clinical presentation characterised by the presence of partial to complete, congenital, fibrous, circumferential, constriction bands/rings on any part of the body, although a particular predilection for the upper or lower extremities is seen. (cdc.gov)
- This was associated with sensory loss on the right leg and development of constriction bands around the right 2nd and 3rd digits for the past 5 months. (bvsalud.org)
Amputation1
- Limb reduction defect excluding congenital amputation and dwarfing syndromes. (cdc.gov)
Fluid2
- [ 5 ] After the rupture, a transient oligohydramnios occurs due to extravasation of amniotic fluid. (medscape.com)
- The amniotic sac holds the amniotic fluid surrounding the developing fetus in the womb. (msdmanuals.com)
Congenital1
- Congenital bands affecting large parts of the body cause the most problems. (medlineplus.gov)
Membrane2
- Hippocrates suggested that extrinsic pressures from a ruptured amniotic membrane lead to the formation of bands or digital amputations. (medscape.com)
- Amniotic bands are thought to be caused by damage to a part of the placenta called the amnion (or amniotic membrane). (medlineplus.gov)
Strands2
- In amniotic band syndrome, finger and toe defects (and other abnormalities) are caused when body parts are constricted by thin strands of tissue from the amniotic sac. (msdmanuals.com)
- The strands may tangle around the fetus, like strings or rubber bands, trapping parts of its body and restricting growth of the body part. (msdmanuals.com)
Abnormalities1
- It has been known for several years that single amino acid mutations in MYH9 lead to a human disease syndrome called MYH9-RD that includes abnormalities of the kidneys, platelets, lens of the eye, and the inner ear. (nih.gov)
Placenta1
- If the amniotic bands are swallowed while still partially attached to the placenta, the tether may lead to bizarre facial clefts and palate deficiencies. (medscape.com)
Tissue1
- Most bands are superficial, and only the skin and subcutaneous tissue are involved. (medscape.com)
Fetal1
- Central nervous system associated with maternal anticonvulsant malformations were also excluded because therapy, and can also occur in fetal alcohol they need special neuroimaging studies syndrome [ 4 ]. (who.int)
Defects1
- When similar defects are present in other member's of the child's family or if doctors suspect the child has a genetic syndrome, the child may be evaluated by a geneticist. (msdmanuals.com)
Genetic syndrome1
- Both polydactyly and syndactyly can occur on their own or as a part of a genetic syndrome such as Apert syndrome. (msdmanuals.com)
Mutations1
- Inborn Error of Metabolism C99147 Neonatal Research Network Terminology C84585 Barth Syndrome 3-Methylglutaconic Aciduria Type 2 A rare X-linked syndrome caused by mutations in TAZ1 gene. (nih.gov)
Complex1
- De Morsier syndrome, or septo-optic dysplasia, is a rare, heterogeneous, complex condition with a highly variable phenotype. (nih.gov)
Body2
- Bands that cross the body may compromise the chest (thoracoschisis or extrathoracic heart) or abdomen (gastroschisis). (medscape.com)
- This decrease in space also allows the resultant floating amniotic bands to easily ensnare a developing body part. (medscape.com)
Signs1
- However, some cases of ABS deformity may be caused by reduced blood supply without any signs of bands or damage to the amnion. (medlineplus.gov)
Parts1
- Damage to the amnion may produce fiber-like bands that can trap or compress parts of the developing baby. (medlineplus.gov)