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Emery-Dreifuss muscular dystrophy 2, autosomal dominant
Emery-Dreifuss muscular dystrophy (EDMD) is characterized by the clinical triad of: joint contractures that begin in early childhood; slowly progressive muscle weakness and wasting initially in a humero-peroneal distribution that later extends to the scapular and pelvic girdle muscles; and cardiac involvement that may manifest as palpitations, presyncope and syncope, poor exercise tolerance, and congestive heart failure along with variable cardiac rhythm disturbances. Age of onset, severity, and progression of muscle and cardiac involvement demonstrate both inter- and intrafamilial variability. Clinical variability ranges from early onset with severe presentation in childhood to late onset with slow progression in adulthood. In general, joint contractures appear during the first two decades, followed by muscle weakness and wasting. Cardiac involvement usually occurs after the second decade and respiratory function may be impaired in some individuals. [from GeneReviews]
Spondyloepiphyseal dysplasia, Stanescu type
Spondyloepiphyseal dysplasia with accumulation of glycoprotein in chondrocytes has been designated the 'Stanescu type.' Clinical hallmarks include progressive joint contracture with premature degenerative joint disease, particularly in the knee, hip, and finger joints. Interphalangeal joints of the hands are swollen due to osseous distention of the metaphyseal ends of the phalanges. Affected individuals may be relatively tall despite the presence of a short trunk. Radiologically, there is generalized platyspondyly with mild modification of the endplates, hypoplastic pelvis, epiphyseal flattening with metaphyseal splaying of the long bones, and enlarged phalangeal epimetaphyses of the hands. In addition, the proximal femora are characteristically broad and elongated with striking coxa valga (summary by Nishimura et al., 1998). [from OMIM]
Mitochondrial complex 1 deficiency, nuclear type 8
NEK9-related lethal skeletal dysplasia
Lethal congenital contracture syndrome-10 (LCCS10) is an autosomal recessive disorder characterized by fetal akinesia, multiple contractures, shortening of upper and lower limbs, and narrow chest and thorax. Death occurs in utero or soon after birth (Casey et al., 2016). For a general phenotypic description and a discussion of genetic heterogeneity of lethal congenital contracture syndrome, see LCCS1 (253310). [from OMIM]
Stiff neck
A sensation of tightness in the neck when attempting to move it, especially after a period of inactivity. Neck stiffness often involves soreness and difficulty moving the neck, especially when trying to turn the head to the side. [from HPO]
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