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Lethal congenital contracture syndrome
Lethal congenital contracture syndrome 1 (LCCS1), also called Multiple contracture syndrome, Finnish type, is an autosomal recessive genetic disorder characterized by total immobility of a fetus, detectable at around the 13th week of pregnancy. LCCS1 invariably leads to prenatal death before the 32nd gestational week. LCCS1 is one of 40 Finnish heritage diseases. It was first described in 1985 and since then, approximately 70 cases have been diagnosed.
==Characteristics==
LCCS1 is characterized by total lack of the movements of the fetus, and is detectable at 13th week of pregnancy. It is accompanied by oedema, small chin, small lungs, crooked joints and occasional skin webs of the neck and elbows. The fetus has characteristic pattern of malpositions recognizable even in severely macerated fetuses with club feet and hyperextension of the knees but the elbows and wrists showing flexion contractures.
Neuropathological analysis shows lack of anterior horn motoneurons and severe atrophy of the ventral spinal cord. The skeletal muscles are severely hypoplastic.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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