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Otofacial syndrome is an extraordinarily rare congenital deformity in which a person is born without a mandible, and, consequently, without a chin.. In nearly all cases, the child does not survive because they are unable to breathe and eat properly.
There are typically four classes (or types) of PFFD, ranging from class A to class D, as detailed by Aitken. [4] [5]Type A — The femur bone is slightly shorter on the proximal end (near the hip), and the femoral head (the ball of the thigh bone that goes into the hip socket) may not be solid enough to be seen on X-rays at birth, but later hardens (ossifies).
Klippel–Feil syndrome (KFS), also known as cervical vertebral fusion syndrome, is a rare congenital condition characterized by the abnormal fusion of any two of the seven bones in the neck (cervical vertebrae). [1]: 578 It can result in a limited ability to move the neck and shortness of the neck, resulting in the appearance of a low hairline ...
Congenital amputation is birth without a limb or limbs, or without a part of a limb or limbs.. It is known to be caused by blood clots forming in the fetus while in utero (vascular insult) and from amniotic band syndrome: fibrous bands of the amnion that constrict fetal limbs to such an extent that they fail to form or actually fall off due to missing blood supply.
Facial features include widely spaced eyes, light-colored eyes, low-set ears, a short neck, and a small lower jaw. [1] Heart problems may include pulmonary valve stenosis. [1] The breast bone may either protrude or be sunken, while the spine may be abnormally curved. [1] Intelligence is often normal. [1] Complications of NS can include leukemia ...
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IV) partially fused femur, fused fibula V) partially fused femur VI) fused femur, fused tibia VII) fused femur, tibia absent. Sirenomelia is classified by the skeletal structure of the lower limb, ranging from class I, where all bones are present and only the soft tissues are fused, to class VII where the only bone present is a fused femur. [1]