Muscular hypotonia, and Pneumonia

X-linked myopathy with excessive autophagy is a childhood-onset X-linked myopathy characterised by slow progression of muscle weakness and unique histopathological findings.

X-LINKED MYOPATHY WITH EXCESSIVE AUTOPHAGY Is also known as xmea|vacuolar myopathy

• Global developmental delay
• Generalized hypotonia
• Muscle weakness
• Cardiomyopathy
• Myopathy

SOURCES: OMIM ORPHANET MENDELIAN

EIEE52 is an autosomal recessive seizure disorder characterized by infantile onset of refractory seizures with resultant delayed global neurologic development that causes intellectual disability and other persistent neurologic abnormalities (summary by Patino et al., 2009).For a general phenotypic description and a discussion of genetic heterogeneity of EIEE, see EIEE1 (OMIM ).

• Intellectual disability
• Seizures
• Global developmental delay
• Generalized hypotonia
• Ataxia

SOURCES: OMIM MENDELIAN

• Seizures
• Generalized hypotonia
• Feeding difficulties
• Edema
• Blindness

SOURCES: OMIM MENDELIAN

LICS is an autosomal recessive chromosome breakage syndrome characterized by failure to thrive in infancy, immune deficiency, and fatal progressive pediatric lung disease induced by viral infection. Some patients may have mild dysmorphic features (summary by van der Crabben et al., 2016).

• Global developmental delay
• Generalized hypotonia
• Hypertelorism
• Failure to thrive
• Abnormal facial shape

SOURCES: OMIM MENDELIAN

Brain-lung-thyroid syndrome is a rare disorder characterized by congenital hypothyroidism (CH), infant respiratory distress syndrome (IRDS) and benign hereditary chorea (BHC; see these terms).

BRAIN-LUNG-THYROID SYNDROME Is also known as choreoathetosis-hypothyroidism-neonatal respiratory distress syndrome|brain-lung-thyroid syndrome

• Global developmental delay
• Generalized hypotonia
• Ataxia
• Muscular hypotonia
• Motor delay

SOURCES: OMIM MESH ORPHANET MENDELIAN

Early infantile epileptic encephalopathy-14 is a severe neurologic disorder characterized by onset in the first 6 months of life of refractory focal seizures and arrest of psychomotor development. Ictal EEG shows discharges that arise randomly from various areas of both hemispheres and migrate from one brain region to another. The disorder presents as 'malignant migrating partial seizures of infancy' (MMPSI), a clinical designation (summary by Barcia et al., 2012).For a general phenotypic description and a discussion of genetic heterogeneity of EIEE, see EIEE1 (OMIM ).

MALIGNANT MIGRATING PARTIAL SEIZURES OF INFANCY Is also known as mmpei|malignant migrating partial epilepsy of infancy|mmpsi|migrating partial epilepsy of infancy|mpsi|mpei|migrating partial seizures of infancy

• Intellectual disability
• Seizures
• Global developmental delay
• Generalized hypotonia
• Microcephaly

SOURCES: OMIM ORPHANET MENDELIAN

Infantile dystonia-parkinsonism (IPD) is an extremely rare inherited neurological syndrome that presents in early infancy with hypokinetic parkinsonism and dystonia and that can be fatal.

INFANTILE DYSTONIA-PARKINSONISM Is also known as dopamine transporter deficiency syndrome|ipd|pkdys|dtds

• Global developmental delay
• Generalized hypotonia
• Cognitive impairment
• Flexion contracture
• Feeding difficulties

SOURCES: OMIM ORPHANET MENDELIAN

Familial acute necrotizing encephalopathy or ADANE is a potentially fatal neurological disease characterised by neuropathological lesions principally involving the brainstem, thalamus and putamen.

FAMILIAL ACUTE NECROTIZING ENCEPHALOPATHY Is also known as adane|recurrent acute necrotizing encephalopathy|ane|encephalopathy, acute necrotizing, susceptibility to

• Intellectual disability
• Seizures
• Generalized hypotonia
• Ataxia
• Spasticity

SOURCES: OMIM ORPHANET MENDELIAN

Combined malonic and methylmalonic acidemia is a rare inborn error of metabolism characterized by elevation of malonic acid (MA) and methylmalonic acid (MMA) in body fluids, with higher levels of MMA than MA. CMAMMA presents in childhood with metabolic acidosis, developmental delay, dystonia and failure to thrive or in adulthood with seizures, memory loss and cognitive decline.

COMBINED MALONIC AND METHYLMALONIC ACIDEMIA Is also known as combined malonic and methylmalonic aciduria|cmamma

• Seizures
• Global developmental delay
• Generalized hypotonia
• Microcephaly
• Failure to thrive

SOURCES: MESH OMIM ORPHANET MENDELIAN

The overlapping phenotypes of neonatal adrenoleukodystrophy (NALD) and infantile Refsum disease (IRD) represent the milder manifestations of the Zellweger syndrome spectrum (ZSS) of peroxisome biogenesis disorders. The clinical course of patients with the NALD and IRD presentation is variable and may include developmental delay, hypotonia, liver dysfunction, sensorineural hearing loss, retinal dystrophy, and visual impairment. Children with the NALD presentation may reach their teens, and those with the IRD presentation may reach adulthood (summary by Waterham and Ebberink, 2012).For a complete phenotypic description and a discussion of genetic heterogeneity of PBD(NALD/IRD), see {601539}.Individuals with mutations in the PEX2 gene have cells of complementation group 5 (CG5, equivalent to CG10 and CGF). For information on the history of PBD complementation groups, see {214100}.

• Global developmental delay
• Generalized hypotonia
• Hearing impairment
• Ataxia
• Nystagmus

SOURCES: OMIM MENDELIAN