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Items: 4

1.

COFFIN-LOWRY SYNDROME, MILD

MedGen UID:
864892
Concept ID:
C4016455
Finding
2.

Hypomagnesemia 4, renal

MedGen UID:
388692
Concept ID:
C2673648
Disease or Syndrome
3.

Mental retardation, X-linked 19

X-linked mental retardation-19 (MRX19) is a nonsyndromic form of mild to moderate mental retardation. Carrier females may be mildly affected. Mutation in the RPS6KA3 gene also causes Coffin-Lowry syndrome (CLS; 303600), a mental retardation syndrome with dysmorphic facial features and skeletal anomalies. Some patients with RPS6KA3 mutations have an intermediate phenotype with mental retardation and only mild anomalies reminiscent of CLS. These individuals have mutations resulting in some residual protein function, which likely explains the milder phenotype (summary by Field et al., 2006). [from OMIM]

MedGen UID:
208676
Concept ID:
C0796225
Disease or Syndrome
4.

Coffin-Lowry syndrome

Coffin-Lowry syndrome (CLS) is usually characterized by severe-to-profound intellectual disability in males; less severely impaired individuals have been reported. Intellect ranges from normal to profoundly impaired in heterozygous females. The facial appearance is characteristic in the affected, older male child or adult. The hands are short, soft, and fleshy, often with remarkably hyperextensible fingers that taper from wide (proximally) to narrow with small terminal phalanges and nails. Males are consistently below the third centile in height. Microcephaly is common. Cardiac abnormalities may be present and can contribute to premature death. Stimulus-induced drop attacks (SIDAs) in which unexpected tactile or auditory stimuli or excitement triggers a brief collapse but no loss of consciousness are present in approximately 20% of affected individuals. Typically SIDAs begin between mid-childhood and the teens. Progressive kyphoscoliosis is one of the most difficult aspects of long-term care. Life span may be reduced. [from GeneReviews]

MedGen UID:
75556
Concept ID:
C0265252
Congenital Abnormality; Disease or Syndrome
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