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  2. Meier-Gorlin syndrome

Meier-Gorlin syndrome

Definition:

Meier-Gorlin syndrome (MGS) is a genetically heterogeneous primordial dwarfism syndrome characterized by microtia, patellar aplasia/hypoplasia, and a proportionate short stature. Additional clinical findings include pulmonary emphysema, feeding difficulties, urogenital abnormalities, and mammary hypoplasia. Characteristic facial features, which gradually change with age, are frequently described. Infants typically have a small mouth with full lips and micrognathia, whereas in adults, a high forehead and a more prominent, narrow nose with a broad nasal bridge are distinguishable. The diagnosis of MGS should be considered in patients with at least two of the three features of the clinical triad of microtia, patellar anomalies, and pre- and postnatal growth retardation. Mutations in genes involved in DNA-replication have been detected in patients with MGS.

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