Langer-Giedion syndrome


tricho-rhino-phalangeal syndrome type 2

A hereditary condition (OMIM:150230) with features of both tricho-rhino-phalangeal syndrome type 1 and multiple exostoses type 1, and which is characterised by multiple dysmorphic facial features (e.g., large, laterally protruding ears, a bulbous nose, an elongated upper lip and sparse scalp hair), winged scapulae, multiple cartilaginous exostoses, redundant skin and mental retardation.
Molecular pathology
Defects of TRPS1 and EXT1 are present in tricho-rhino-phalangeal syndrome type 2.

Alè,

G., Italian radiologist. Alè-Calò syndrome - Synonym(s): Langer-Giedion syndrome

Giedion,

Andreas, Swiss pediatric cardiologist, 1925–. Giedion syndrome - genetic recessive or dominant trait causing orofacial defects and abnormalities of the phalanges. Synonym(s): trichorhinophalangeal syndromeLanger-Giedion syndrome - see under Langer, Leonard O, Jr

Langer,

Leonard O., Jr., U.S. radiologist, 1928–. Langer-Giedion syndrome - syndrome of mental retardation accompanied by numerous physical abnormalities. Synonym(s): Alè-Calò syndromeLanger-Saldino syndrome - fatal form of neonatal dwarfism.Langer syndrome - skeletal dysplasia of short-limbed dwarfism.