Constriction rings syndrome

Constriction rings syndrome is a congenital limb malformation disorder with an extremely variable clinical presentation characterized 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. Phenotypes range from only a mild skin indentation to complete amputation of parts of the fetus (e.g. digits, distal limb). Compression from the rings may lead to edema, skeletal anomalies (e.g. fractures, foot deformities) and, infrequently, neural compromise.

Coloboma

A developmental defect characterized by a cleft of some portion of the eye or ocular adnexa.


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(per page)
PMID (PMCID)
6871792
 FEMALE Infant, Newborn
Uveal coloboma associated with amniotic band syndrome.
BenEzra D, Frucht Y.
Can J Ophthalmol. 1983;18(3):136-8.
Uveal coloboma associated with amniotic band syndrome.
6871792
 FEMALE Infant, Newborn
Uveal coloboma associated with amniotic band syndrome.
BenEzra D, Frucht Y.
Can J Ophthalmol. 1983;18(3):136-8.
A baby girl had constriction bands and digital amputations typical of the amniotic band syndrome, as well as a typical uveal coloboma in a slightly microphthalmic eye.
6871792
 FEMALE Infant, Newborn
Uveal coloboma associated with amniotic band syndrome.
BenEzra D, Frucht Y.
Can J Ophthalmol. 1983;18(3):136-8.
A small, free-floating amniotic band may have lodged in the fetal uveal cleft at 5 to 6 weeks of gestation, preventing closure of the cleft and thus resulting in this first reported instance of an association between amniotic band syndrome and an isolated uveal coloboma.