Constriction ring syndrome: Difference between revisions
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[[File:Amniotic_band_hand.jpg| | {{SI}} | ||
{{Infobox medical condition | |||
| name = Constriction ring syndrome | |||
| image = [[File:Amniotic_band_hand.jpg|left|thumb|A hand affected by constriction ring syndrome]] | |||
| caption = A hand affected by constriction ring syndrome | |||
| field = [[Medical genetics]] | |||
| synonyms = Amniotic band syndrome, amniotic band constriction, Streeter's dysplasia | |||
| symptoms = [[Limb deformities]], [[amputation]], [[syndactyly]], [[clubfoot]] | |||
| complications = [[Limb length discrepancy]], [[functional impairment]] | |||
| onset = [[Prenatal]] | |||
| duration = [[Lifelong]] | |||
| causes = [[Amniotic band disruption sequence]] | |||
| risks = Unknown | |||
| diagnosis = [[Clinical examination]], [[prenatal ultrasound]] | |||
| differential = [[Clubfoot]], [[syndactyly]], [[congenital limb defects]] | |||
| prevention = None | |||
| treatment = [[Surgical intervention]], [[physical therapy]] | |||
| prognosis = Variable, depending on severity | |||
| frequency = 1 in 1,200 to 15,000 live births | |||
}} | |||
[[Constriction ring syndrome]], also known as amniotic band syndrome, is a congenital disorder caused by the entanglement of fetal parts, typically limbs or digits, in fibrous amniotic bands while in utero. This condition can lead to a range of physical abnormalities, from minor constrictions to severe deformities or even amputation of the affected parts. | [[Constriction ring syndrome]], also known as amniotic band syndrome, is a congenital disorder caused by the entanglement of fetal parts, typically limbs or digits, in fibrous amniotic bands while in utero. This condition can lead to a range of physical abnormalities, from minor constrictions to severe deformities or even amputation of the affected parts. | ||
==Pathophysiology== | ==Pathophysiology== | ||
The exact cause of constriction ring syndrome is not fully understood, but it is believed to result from the rupture of the [[amniotic sac]] early in pregnancy. This rupture leads to the formation of fibrous bands that can entangle the developing fetus. These bands can restrict blood flow and disrupt normal development, leading to the characteristic constrictions and deformities. | The exact cause of constriction ring syndrome is not fully understood, but it is believed to result from the rupture of the [[amniotic sac]] early in pregnancy. This rupture leads to the formation of fibrous bands that can entangle the developing fetus. These bands can restrict blood flow and disrupt normal development, leading to the characteristic constrictions and deformities. | ||
==Clinical Presentation== | ==Clinical Presentation== | ||
The clinical presentation of constriction ring syndrome can vary widely. Common features include: | The clinical presentation of constriction ring syndrome can vary widely. Common features include: | ||
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* Clubfoot | * Clubfoot | ||
* Amputation of digits or limbs | * Amputation of digits or limbs | ||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of constriction ring syndrome is typically made through prenatal [[ultrasound]] imaging, which can reveal the presence of amniotic bands and associated fetal abnormalities. Postnatal diagnosis is based on physical examination and the characteristic appearance of the constriction rings and associated deformities. | Diagnosis of constriction ring syndrome is typically made through prenatal [[ultrasound]] imaging, which can reveal the presence of amniotic bands and associated fetal abnormalities. Postnatal diagnosis is based on physical examination and the characteristic appearance of the constriction rings and associated deformities. | ||
==Treatment== | ==Treatment== | ||
Treatment for constriction ring syndrome depends on the severity of the condition. Mild cases may require no intervention, while more severe cases may necessitate surgical procedures to release the constrictions and improve function. Surgical options include: | Treatment for constriction ring syndrome depends on the severity of the condition. Mild cases may require no intervention, while more severe cases may necessitate surgical procedures to release the constrictions and improve function. Surgical options include: | ||
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* Reconstruction of affected limbs or digits | * Reconstruction of affected limbs or digits | ||
* Amputation in cases of severe deformity | * Amputation in cases of severe deformity | ||
==Prognosis== | ==Prognosis== | ||
The prognosis for individuals with constriction ring syndrome varies based on the severity and location of the constrictions. With appropriate surgical intervention, many individuals can achieve good functional outcomes. However, severe cases involving major limb deformities or amputations may result in long-term disability. | The prognosis for individuals with constriction ring syndrome varies based on the severity and location of the constrictions. With appropriate surgical intervention, many individuals can achieve good functional outcomes. However, severe cases involving major limb deformities or amputations may result in long-term disability. | ||
==See also== | |||
== | |||
* [[Congenital disorder]] | * [[Congenital disorder]] | ||
* [[Amniotic sac]] | * [[Amniotic sac]] | ||
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* [[Syndactyly]] | * [[Syndactyly]] | ||
* [[Clubfoot]] | * [[Clubfoot]] | ||
==Categories== | ==Categories== | ||
[[Category:Congenital disorders]] | [[Category:Congenital disorders]] | ||
[[Category:Rare diseases]] | [[Category:Rare diseases]] | ||
[[Category:Pediatrics]] | [[Category:Pediatrics]] | ||
{{Congenital malformations and deformations}} | {{Congenital malformations and deformations}} | ||
{{medicine-stub}} | {{medicine-stub}} | ||
Latest revision as of 02:22, 5 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
Philadelphia medical weight loss and Philadelphia sleep clinics
| Constriction ring syndrome | |
|---|---|
| Synonyms | Amniotic band syndrome, amniotic band constriction, Streeter's dysplasia |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Limb deformities, amputation, syndactyly, clubfoot |
| Complications | Limb length discrepancy, functional impairment |
| Onset | Prenatal |
| Duration | Lifelong |
| Types | N/A |
| Causes | Amniotic band disruption sequence |
| Risks | Unknown |
| Diagnosis | Clinical examination, prenatal ultrasound |
| Differential diagnosis | Clubfoot, syndactyly, congenital limb defects |
| Prevention | None |
| Treatment | Surgical intervention, physical therapy |
| Medication | N/A |
| Prognosis | Variable, depending on severity |
| Frequency | 1 in 1,200 to 15,000 live births |
| Deaths | N/A |
Constriction ring syndrome, also known as amniotic band syndrome, is a congenital disorder caused by the entanglement of fetal parts, typically limbs or digits, in fibrous amniotic bands while in utero. This condition can lead to a range of physical abnormalities, from minor constrictions to severe deformities or even amputation of the affected parts.
Pathophysiology[edit]
The exact cause of constriction ring syndrome is not fully understood, but it is believed to result from the rupture of the amniotic sac early in pregnancy. This rupture leads to the formation of fibrous bands that can entangle the developing fetus. These bands can restrict blood flow and disrupt normal development, leading to the characteristic constrictions and deformities.
Clinical Presentation[edit]
The clinical presentation of constriction ring syndrome can vary widely. Common features include:
- Constriction rings around the limbs or digits
- Swelling distal to the constriction
- Syndactyly (fusion of fingers or toes)
- Clubfoot
- Amputation of digits or limbs
Diagnosis[edit]
Diagnosis of constriction ring syndrome is typically made through prenatal ultrasound imaging, which can reveal the presence of amniotic bands and associated fetal abnormalities. Postnatal diagnosis is based on physical examination and the characteristic appearance of the constriction rings and associated deformities.
Treatment[edit]
Treatment for constriction ring syndrome depends on the severity of the condition. Mild cases may require no intervention, while more severe cases may necessitate surgical procedures to release the constrictions and improve function. Surgical options include:
- Z-plasty or other techniques to release constriction bands
- Reconstruction of affected limbs or digits
- Amputation in cases of severe deformity
Prognosis[edit]
The prognosis for individuals with constriction ring syndrome varies based on the severity and location of the constrictions. With appropriate surgical intervention, many individuals can achieve good functional outcomes. However, severe cases involving major limb deformities or amputations may result in long-term disability.
See also[edit]
Categories[edit]
Template:Congenital malformations and deformations
