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Partial duplication of the phalanx of hand

MedGen UID:
869692
Concept ID:
C4024120
Anatomical Abnormality
Synonym: Partial duplication of hand bones
 
HPO: HP:0009999

Definition

A partial duplication, depending on severity leading to a broad or bifid appearance, affecting one or more of the phalanges of the hand. As opposed to a complete duplication there is still a variable degree of fusion between the duplicated bones. [from HPO]

Conditions with this feature

Autosomal dominant Robinow syndrome 2
MedGen UID:
897039
Concept ID:
C4225363
Disease or Syndrome
Autosomal dominant Robinow syndrome (ADRS) is characterized by skeletal findings (short stature, mesomelic limb shortening predominantly of the upper limbs, and brachydactyly), genital abnormalities (in males: micropenis / webbed penis, hypoplastic scrotum, cryptorchidism; in females: hypoplastic clitoris and labia majora), dysmorphic facial features (widely spaced and prominent eyes, frontal bossing, anteverted nares, midface retrusion), dental abnormalities (including malocclusion, crowding, hypodontia, late eruption of permanent teeth), bilobed tongue, and occasional prenatal macrocephaly that persists postnatally. Less common findings include renal anomalies, radial head dislocation, vertebral abnormalities such as hemivertebrae and scoliosis, nail dysplasia, cardiac defects, cleft lip/palate, and (rarely) cognitive delay. When present, cardiac defects are a major cause of morbidity and mortality. A variant of Robinow syndrome, associated with osteosclerosis and caused by a heterozygous pathogenic variant in DVL1, is characterized by normal stature, persistent macrocephaly, increased bone mineral density with skull osteosclerosis, and hearing loss, in addition to the typical features described above.

Recent clinical studies

Etiology

Abid A, Accadbled F, Knorr G, Darodes P, Cahuzac JP, Sales de Gauzy J
Orthop Traumatol Surg Res 2010 Sep;96(5):521-4. Epub 2010 Jul 1 doi: 10.1016/j.otsr.2010.01.013. PMID: 20594929
Trusen A, Beissert M, Collmann H, Darge K
Pediatr Radiol 2003 Mar;33(3):168-72. Epub 2002 Nov 12 doi: 10.1007/s00247-002-0823-3. PMID: 12612814

Diagnosis

Lai S, Zhang X, Feng L, He M, Wang S
Medicine (Baltimore) 2020 Oct 16;99(42):e22533. doi: 10.1097/MD.0000000000022533. PMID: 33080687Free PMC Article
Trusen A, Beissert M, Collmann H, Darge K
Pediatr Radiol 2003 Mar;33(3):168-72. Epub 2002 Nov 12 doi: 10.1007/s00247-002-0823-3. PMID: 12612814

Prognosis

Abid A, Accadbled F, Knorr G, Darodes P, Cahuzac JP, Sales de Gauzy J
Orthop Traumatol Surg Res 2010 Sep;96(5):521-4. Epub 2010 Jul 1 doi: 10.1016/j.otsr.2010.01.013. PMID: 20594929
Trusen A, Beissert M, Collmann H, Darge K
Pediatr Radiol 2003 Mar;33(3):168-72. Epub 2002 Nov 12 doi: 10.1007/s00247-002-0823-3. PMID: 12612814

Clinical prediction guides

Abid A, Accadbled F, Knorr G, Darodes P, Cahuzac JP, Sales de Gauzy J
Orthop Traumatol Surg Res 2010 Sep;96(5):521-4. Epub 2010 Jul 1 doi: 10.1016/j.otsr.2010.01.013. PMID: 20594929

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