Recommended management includes karyotyping and if parents decide to continue the pregnancy ultrasound scan at 20 to 22 weeks' gestation is necessary, for excluding associated anomalies. Cystic hygroma, also known as cystic or nuchal lymphangioma, refers to the congenital macrocystic lymphatic malformations that most commonly occur in the cervicofacial regions, particularly at the posterior cervical triangle in infants. Ten cases of foetal cystic hygroma were diagnosed prenatally during the second trimester, in a period of two years, at ultrasound unit of the department of obstetrics and gynaecology of the university of mainz, west germany.
PPT Vrozené chromosomové aberace
Ongeveer 0,2 tot 3% van alle foetussen en baby’s lijdt aan hygroma colli.
Goedaardig gezwel in hals bij foetus of baby.
They are differentiated from nuchal edema by the presence of the nuchal ligament (midline septum). In the fetus, a cystic hygroma can progress to hydrops (an excess amount of fluid. Most fetuses with cystic hygroma have abnormal karyotype. De groeiende gezwellen bestaan uit één of meer cysten.
A communication between the primitive lymphytic system and the jugular vein is formed in the early gestation.
Six foetuses had turner's syndrome, one had a 47 x + 21 karyotype, two foetuses. Eine operation kann unter umständern nicht vollständig durchgeführt werden, da sich das hygroma colli in unmittelbarer nähe zu lebenswichtigen organen gebildet hat. Fetal cystic hygroma is a congenital malformation of the lymphatic system. Cystic hygroma colli has been described in rare cases with cardiac defects, diaphragmatic hernia, or hydronephrosis, and as a manifestation of the noonan and roberts syndromes 2,14,15,16.
Je nach situation erfolgt eine therapie entweder durch instillation einer substanz, mittels laser oder operativ.
It is a congenital malformation of the lymphatic system. Fetal hygroma colli cysticum, either septated or not, carries high risks of aneuploidies and adverse fetal outcome. When a hygroma is detected during fetal life, careful sonographic examination of the entire fetus, determination of the fetal karyotype, and an evaluation of the family history are indicated. Dit zijn abnormale met vocht gevulde blaasjes die meestal op de hals van een baby verschijnen, al zijn ze ook op andere lichaamsdelen mogelijk.
Cystic hygromas are single or multiple cysts found mostly in the neck region.
It is the most common form of lymphangioma (75% are located on the neck, 20% in the axillary region. Cystic hygroma is a cystic mass localized in the nuchal region. Cystic hygroma is caused by defects in the formation of the neck lymphatics.
