Flexion contracture, and Paresthesia

Charcot-Marie-Tooth disease type 4J is a subtype of Charcot-Marie-Tooth disease type 4 characterized by childhood- to adulthood-onset of variably severe, rapidly progressive, axonal and demyelinating sensorimotor neuropathy typically manifesting with delayed motor development, proximal and distal asymmetric muscle weakness and atrophy of the lower and upper extremities, severe motor dysfunction with mildly reduced sensory impairment, and areflexia. Nerve conduction velocities range from very mildly to severely reduced.

CHARCOT-MARIE-TOOTH DISEASE TYPE 4J Is also known as charcot-marie-tooth disease, autosomal recessive, type 4j|cmt4j

• Global developmental delay
• Muscle weakness
• Pain
• Motor delay
• Peripheral neuropathy

SOURCES: OMIM ORPHANET MESH MENDELIAN

Hyperkalemic periodic paralysis (HyperPP) is a muscle disorder characterized by episodic attacks of muscle weakness associated with an increase in serum potassium concentration.

HYPERKALEMIC PERIODIC PARALYSIS Is also known as adynamia episodica hereditaria|hypp|familial hyperkalemic periodic paralysis|hyperkpp|gamstorp disease|familial hyperpp|gamstorp episodic adynamy|hyperpp|hyperkalemic pp|primary hyperpp|primary hyperkalemic periodic paralysis

• Flexion contracture
• Skeletal muscle atrophy
• Gait disturbance
• Respiratory insufficiency
• Myopathy

SOURCES: ORPHANET MENDELIAN

Autosomal dominant spastic paraplegia type 10 (SPG10) is a rare type of hereditary spastic paraplegia that can present as either a pure form of spastic paraplegia with lower limb spasticity, hyperreflexia and extensor plantar responses, presenting in childhood or adolescence, or as a complex phenotype associated with additional manifestations including peripheral neuropathy with upper limb amyotrophy, moderate intellectual disability and parkinsonism. Deafness and retinitis pigmentosa were reported in one case.

AUTOSOMAL DOMINANT SPASTIC PARAPLEGIA TYPE 10 Is also known as spastic paraplegia 10 with or without peripheral neuropathy|spg10

• Intellectual disability
• Hearing impairment
• Scoliosis
• Ataxia
• Spasticity

SOURCES: ORPHANET MESH OMIM MENDELIAN

Hereditary neuralgic amyotrophy (HNA) is an autosomal dominant form of recurrent focal neuropathy characterized clinically by acute, recurrent episodes of brachial plexus neuropathy with muscle weakness and atrophy preceded by severe pain in the affected arm.

AMYOTROPHY, HEREDITARY NEURALGIC; HNA Is also known as neuritis with brachial predilection|napb|amyotrophy, hereditary neuralgic, with predilection for brachial plexus|brachial plexus neuropathy, hereditary

• Short stature
• Muscle weakness
• Abnormal facial shape
• Cleft palate
• Pain

SOURCES: OMIM MENDELIAN

Myofibrillar myopathy (MFM) is a noncommittal term that refers to a group of morphologically homogeneous, but genetically heterogeneous chronic neuromuscular disorders. The morphologic changes in skeletal muscle in MFM result from disintegration of the sarcomeric Z disc and the myofibrils, followed by abnormal ectopic accumulation of multiple proteins involved in the structure of the Z disc, including desmin, alpha-B-crystallin (CRYAB ), dystrophin (OMIM ), and myotilin (TTID ). Genetic Heterogeneity of Myofibrillar MyopathyOther forms of MFM include MFM2 (OMIM ), caused by mutation in the CRYAB gene (OMIM ); MFM3 (OMIM ) (OMIM ), caused by mutation in the MYOT gene (OMIM ); MFM4 (OMIM ), caused by mutation in the ZASP gene (LDB3 ); MFM5 (OMIM ), caused by mutation in the FLNC gene (OMIM ); MFM6 (OMIM ), caused by mutation in the BAG3 gene (OMIM ); MFM7 (OMIM ), caused by mutation in the KY gene (OMIM ); and MFM8 (OMIM ), caused by mutation in the PYROXD1 gene (OMIM ).'Desmin-related myopathy' is another term referring to MFM in which there are intrasarcoplasmic aggregates of desmin, usually in addition to other sarcomeric proteins. Rigid spine syndrome (OMIM ), caused by mutation in the SEPN1 gene (OMIM ), is another desmin-related myopathy. Goebel (1995) provided a review of desmin-related myopathy.

MYOPATHY, MYOFIBRILLAR, 1; MFM1 Is also known as drm|cardiomyopathy, dilated, with conduction defect and muscular dystrophy|cardiomyopathy, dilated, 1f and limb-girdle muscular dystrophy type 1d, formerly|myopathy, myofibrillar, desmin-related|lgmd2r, formerly|desminopathy, primary|arvd7, formerly|cmd1f

• Scoliosis
• Muscle weakness
• Pain
• Cataract
• Flexion contracture

SOURCES: ORPHANET OMIM MENDELIAN

Stüve-Wiedemann syndrome (SWS) is a rare autosomal recessive congenital primary skeletal dysplasia, characterized by small stature, bowing of the long bones, camptodactyly, hyperthermic episodes, respiratory distress/apneic episodes and feeding difficulties that usually lead to early mortality.

STÜVE-WIEDEMANN SYNDROME Is also known as neonatal schwartz-jampel syndrome|stÜve-wiedemann dysplasia|sjs2|schwartz-jampel syndrome type 2

• Short stature
• Scoliosis
• Muscular hypotonia
• Flexion contracture
• Intrauterine growth retardation

SOURCES: ORPHANET MENDELIAN

Emery-Dreifuss muscular dystrophy is characterized classically by the triad of weakness of the shoulder and pelvic girdle muscles, contractures of the elbows, neck, and Achilles tendon, and cardiac involvement, most commonly arrhythmias (summary by Jimenez-Escrig et al., 2012).For a discussion of genetic heterogeneity of EDMD, see {310300}.

AUTOSOMAL RECESSIVE EMERY-DREIFUSS MUSCULAR DYSTROPHY Is also known as edmd3

• Intellectual disability
• Scoliosis
• Micrognathia
• Muscle weakness
• Abnormal facial shape

SOURCES: ORPHANET MESH OMIM MENDELIAN

LYNCH SYNDROME Is also known as coca2|colon cancer, familial nonpolyposis, type 2|fcc2

• Seizures
• Neoplasm
• Muscular hypotonia
• Flexion contracture
• Visual impairment

SOURCES: ORPHANET OMIM MENDELIAN

Grebe chondrodysplasia is an autosomal recessive disorder characterized by severe abnormality of the limbs and limb joints. The severity of limb shortening progresses in a proximal-distal gradient, with the hands and feet being most affected. The fingers and toes lack articulation and appear as skin appendages. In contrast, axial skeletal structures and the craniofacial skeleton are not affected. Heterozygous individuals are of average stature and have mild skeletal abnormalities (summary by Thomas et al., 1997).

CHONDRODYSPLASIA, GREBE TYPE Is also known as grebe chondrodysplasia|grebe dysplasia|achondrogenesis, brazilian|acromesomelic dysplasia, grebe type|amdg|achondrogenesis, type ii, formerly

• Intellectual disability
• Short stature
• Hearing impairment
• Scoliosis
• Growth delay

SOURCES: OMIM MENDELIAN

Congenital Cataracts Facial Dysmorphism Neuropathy (CCFDN) syndrome is a complex developmental disorder of autosomal recessive inheritance.

CONGENITAL CATARACTS-FACIAL DYSMORPHISM-NEUROPATHY SYNDROME Is also known as ccfdn|cataract, congenital, with facial dysmorphism and neuropathy

• Intellectual disability
• Global developmental delay
• Short stature
• Hearing impairment
• Scoliosis

SOURCES: OMIM MESH ORPHANET MENDELIAN