In the following list you will find some of the most common rare diseases related to Delayed speech and language development and Proximal muscle weakness that can help you solving undiagnosed cases.
Autosomal dominant Charcot-Marie-Tooth disease, type 2K (CMT2K) is an axonal CMT peripheral sensorimotor polyneuropathy.
AUTOSOMAL DOMINANT CHARCOT-MARIE-TOOTH DISEASE TYPE 2K Is also known as cmt2k
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Cerebral creatine deficiency syndrome-3 is an autosomal recessive disorder characterized by developmental delay/regression, mental retardation, severe disturbance of expressive and cognitive speech, and severe depletion of creatine/phosphocreatine in the brain (Schulze, 2003). Most patients develop a myopathy characterized by muscle weakness and atrophy later in life. Oral creatine supplementation can offer symptom improvement (summary by Edvardson et al., 2010).For a general phenotypic description and a discussion of genetic heterogeneity of cerebral creatine deficiency syndrome, see CCDS1 (OMIM ).
CEREBRAL CREATINE DEFICIENCY SYNDROME 3; CCDS3 Is also known as arginine:glycine amidinotransferase deficiency, agat deficiency, gatm deficiency, creatine deficiency syndrome due to agat deficiency;agat deficiency
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SOURCES: MONDO UMLS MESH ORPHANET GARD DOID SCTID OMIM
More info about CEREBRAL CREATINE DEFICIENCY SYNDROME 3; CCDS3Autosomal recessive limb-girdle muscular dystrophy type 2P (LGMD2P) is a form of limb-girdle muscular dystrophy characterized by slowly-progressive, mainly proximal, muscle weakness presenting in early childhood (with difficulties walking and climbing stairs) and mild to severe intellectual disability. Additional manifestations reported include microcephaly, mild increase in thigh or calf muscles, and contractures of the ankles.
MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (LIMB-GIRDLE), TYPE C, 9; MDDGC9 Is also known as muscular dystrophy, limb-girdle, type 2p;lgmd2p, muscular dystrophy-dystroglycanopathy, limb-girdle, dag1-related;lgmd2p
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SOURCES: GARD OMIM UMLS ORPHANET MONDO DOID
More info about MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (LIMB-GIRDLE), TYPE C, 9; MDDGC9Duchenne muscular dystrophy (DMD) is a neuromuscular disease characterized by rapidly progressive muscle weakness and wasting due to degeneration of skeletal, smooth and cardiac muscle.
DUCHENNE MUSCULAR DYSTROPHY Is also known as dmd; severe dystrophinopathy, duchenne type
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Autosomal recessive limb girdle muscular dystrophy type 2E (LGMD2E) is a subtype of autosomal recessive limb girdle muscular dystrophy characterized by a childhood to adolescent onset of progressive pelvic- and shoulder-girdle muscle weakness, particularly affecting the pelvic girdle (adductors and flexors of hip). Usually the knees are the earliest and most affected muscles. In advanced stages, involvement of the shoulder girdle (resulting in scapular winging) and the distal muscle groups are observed. Calf hypertrophy, cardiomyopathy, respiratory impairment, tendon contractures, scoliosis, and exercise-induced myoglobinuria may be observed.
MUSCULAR DYSTROPHY, LIMB-GIRDLE, TYPE 2E; LGMD2E Is also known as ;beta-sarcoglycanopathy; lgmd2e; limb-girdle muscular dystrophy due to beta-sarcoglycan deficiency
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SOURCES: MONDO SCTID DOID OMIM UMLS GARD ORPHANET
More info about MUSCULAR DYSTROPHY, LIMB-GIRDLE, TYPE 2E; LGMD2EGyrate atrophy of the choroid and retina due to deficiency of ornithine aminotransferase is clinically characterized by a triad of progressive chorioretinal degeneration, early cataract formation, and type II muscle fiber atrophy. Characteristic chorioretinal atrophy with progressive constriction of the visual fields leads to blindness at the latest during the sixth decade of life. Patients generally have normal intelligence (summary by Peltola et al., 2002).See {238970} for another hyperornithinemia syndrome.
GYRATE ATROPHY OF CHOROID AND RETINA; GACR Is also known as hyperornithinemia with gyrate atrophy of choroid and retina;hoga, gyrate atrophy, ornithine aminotransferase deficiency, oat deficiency, ornithine keto acid aminotransferase deficiency, okt deficiency, ornithine-delta-aminotransferase deficiency;hoga; hyperornithinemia; hyperornithinemia-gyrate atrophy of choroid and retina syndrome; ornithine aminotransferase deficiency
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SOURCES: ORPHANET SCTID MONDO MESH UMLS OMIM NCIT
More info about GYRATE ATROPHY OF CHOROID AND RETINA; GACRThis form of autosomal recessive congenital muscular dystrophy is characterized by early-onset muscle wasting and mental retardation. Some patients develop fatal cardiomyopathy. Muscle biopsy shows peculiar enlarged mitochondria that are prevalent toward the periphery of the fibers but are sparse in the center (summary by Mitsuhashi et al., 2011).
MUSCULAR DYSTROPHY, CONGENITAL, MEGACONIAL TYPE; MDCMC Is also known as muscular dystrophy, congenital, with mitochondrial structural abnormalities;congenital megaconial myopathy; congenital muscular dystrophy due to phosphatidylcholine biosynthesis defect; congenital muscular dystrophy with mitochondrial structural abnormalities
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SOURCES: MONDO DOID OMIM ORPHANET UMLS MESH GARD
More info about MUSCULAR DYSTROPHY, CONGENITAL, MEGACONIAL TYPE; MDCMCLimb-girdle muscular dystrophies resulting from defective glycosylation of alpha-dystroglycan (DAG1 ) represent the mildest end of the phenotypic spectrum of muscular dystrophies collectively known as dystroglycanopathies. The limb-girdle phenotype is characterized by onset of muscular weakness apparent after ambulation is achieved; mental retardation and mild brain anomalies are variable (Balci et al., 2005; review by Godfrey et al., 2007). The most severe end of the phenotypic spectrum of dystroglycanopathies is represented by congenital muscular dystrophy-dystroglycanopathy with brain and eye anomalies (type A; see MDDGA1, {236670}), previously designated Walker-Warburg syndrome (WWS) or muscle-eye-brain disease (MEB), and the intermediate range of the spectrum is represented by congenital muscular dystrophy-dystroglycanopathy with or without mental retardation (type B; see MDDGB1, {613155}).
MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (LIMB-GIRDLE), TYPE C, 1; MDDGC1 Is also known as muscular dystrophy, limb-girdle, type 2k;lgmd2k;lgmd2k; limb-girdle muscular dystrophy-intellectual disability syndrome
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SOURCES: GARD NCIT MONDO EFO UMLS DOID OMIM ORPHANET SCTID
More info about MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (LIMB-GIRDLE), TYPE C, 1; MDDGC1Autosomal recessive centronuclear myopathy (AR-CNM) is an inherited neuromuscular disorder defined by numerous centrally placed nuclei on muscle biopsy and clinical features of a congenital myopathy.
MYOPATHY, CENTRONUCLEAR, 2; CNM2 Is also known as myopathy, centronuclear, autosomal recessive, myotubular myopathy, autosomal recessive;ar-cnm
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SOURCES: OMIM MESH UMLS ORPHANET SCTID MONDO
More info about MYOPATHY, CENTRONUCLEAR, 2; CNM2Mitochondrial complex II deficiency is an autosomal recessive disorder with a highly variable phenotype. Some patients have multisystem involvement of the brain, heart, muscle, liver, and kidneys resulting in death in infancy, whereas others have only isolated cardiac or muscle involvement with onset in adulthood and normal cognition. Measurement of complex II activity in muscle is the most reliable means of diagnosis; however, there is no clear correlation between residual complex II activity and severity or clinical outcome. In some cases, treatment with riboflavin may have clinical benefit (summary by Jain-Ghai et al., 2013).
MITOCHONDRIAL COMPLEX II DEFICIENCY Is also known as succinate coq reductase deficiency;isolated mitochondrial respiratory chain complex ii deficiency; isolated succinate-coenzyme q reductase deficiency; isolated succinate-ubiquinone reductase deficiency
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SOURCES: GARD UMLS ORPHANET SCTID MONDO OMIM MESH DOID
More info about MITOCHONDRIAL COMPLEX II DEFICIENCYSymptoms // Phenotype | % cases |
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Motor delay | Common - Between 50% and 80% cases |
Autosomal recessive inheritance | Common - Between 50% and 80% cases |
Intellectual disability | Common - Between 50% and 80% cases |
Waddling gait | Common - Between 50% and 80% cases |
Gowers sign | Common - Between 50% and 80% cases |
Patients with Delayed speech and language development and Proximal muscle weakness. may also develop some of the following symptoms:
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