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Duplication of phalanx of hand

MedGen UID:
866992
•Concept ID:
C4021349
•
Anatomical Abnormality
Synonym: Duplication of finger bones
 
HPO: HP:0009997

Definition

This term applies if one or more of the phalanges of the hand are either partially duplicated, depending on severity leading to a broad or bifid appearance of the phalanges, or completely duplicated. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVDuplication of phalanx of hand

Professional guidelines

PubMed

Opposable triphalangeal thumb: clinical features and results of treatment.
Ogino T, Ishii S, Kato H
J Hand Surg Am 1994 Jan;19(1):39-47. doi: 10.1016/0363-5023(94)90222-4. PMID: 8169367

Recent clinical studies

Etiology

Modified Wassel-Flatt Type III Radial Polydactyly: Subtypes and Their Outcomes.
Kim JK, Yoon JO, Shin YH, Lee SH
J Hand Surg Am 2024 Jan;49(1):60.e1-60.e8. Epub 2022 Jul 6 doi: 10.1016/j.jhsa.2022.04.024. PMID: 35803781
Reoperation after primary operation for pre-axial polydactyly of the hand: A 12-year experience at a single institute.
Shin YH, Yoon JO, Kim SS, Joo HS, Al-Dhafer BAA, Kim JK
J Plast Reconstr Aesthet Surg 2022 Aug;75(8):2658-2663. Epub 2022 Apr 22 doi: 10.1016/j.bjps.2022.04.015. PMID: 35570116
The anatomy of Wassel type IV-D thumb duplication.
He B, Liu G, Nan G
J Hand Surg Eur Vol 2017 Jun;42(5):516-522. Epub 2017 Feb 14 doi: 10.1177/1753193417691747. PMID: 28196434
Postoperative Growth in Radial Polydactyly: A Clinical Study.
Wang L, Tao X, Gao W, Ding J, Zhou Z, Feng X
J Hand Surg Am 2016 Sep;41(9):e273-8. Epub 2016 Jul 27 doi: 10.1016/j.jhsa.2016.06.012. PMID: 27475961
Type IV-D thumb duplication: A new reconstruction method.
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

Diagnosis

Congenital Palmar Duplication of the Index Finger: Ventral Polydactyly With Ventral Dimelia.
Shintani K, Hidaka N, Sato M
J Hand Surg Am 2023 Mar;48(3):315.e1-315.e6. Epub 2022 Mar 12 doi: 10.1016/j.jhsa.2022.01.010. PMID: 35292177
Triphalangeal thump, thumb duplication, and syndactyly: The first case report in the literature.
Swed S, Nashwan AJ, Saleh HH, Chawa Y, Baria A, Etr A
Medicine (Baltimore) 2022 Oct 21;101(42):e31237. doi: 10.1097/MD.0000000000031237. PMID: 36281136Free PMC Article
The prenatal diagnosis and genetic counseling of chromosomal micro-duplication on 10q24.3 in a fetus: A case report and a brief review of the literature.
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
Robinow syndrome: a diagnosis at the fingertips.
Murali CN, Keena B, Zackai EH
Clin Dysmorphol 2018 Oct;27(4):135-137. doi: 10.1097/MCD.0000000000000230. PMID: 29864040Free PMC Article
The anatomy of Wassel type IV-D thumb duplication.
He B, Liu G, Nan G
J Hand Surg Eur Vol 2017 Jun;42(5):516-522. Epub 2017 Feb 14 doi: 10.1177/1753193417691747. PMID: 28196434

Therapy

Botulinum toxin type A in the treatment of focal hand dystonia after surgical treatment for thumb duplication.
Santamato A, Panza F, Solfrizzi V, Frisardi V, Moretti B, Notarnicola A, Neve A, Ranieri M, Fiore P
Orthopedics 2009 Jul;32(7):529. doi: 10.3928/01477447-20090527-07. PMID: 19634837

Prognosis

Modified Wassel-Flatt Type III Radial Polydactyly: Subtypes and Their Outcomes.
Kim JK, Yoon JO, Shin YH, Lee SH
J Hand Surg Am 2024 Jan;49(1):60.e1-60.e8. Epub 2022 Jul 6 doi: 10.1016/j.jhsa.2022.04.024. PMID: 35803781
Use of the duplication range concept for understanding morphology and predicting prognosis in thumb polydactyly.
Saito S, Makino A, Yamanaka H, Tsuge I, Morimoto N
J Hand Surg Eur Vol 2023 Jan;48(1):10-19. Epub 2022 Oct 6 doi: 10.1177/17531934221126864. PMID: 36204982
An intragenic duplication of TRPS1 leading to abnormal transcripts and causing trichorhinophalangeal syndrome type I.
Zepeda-Mendoza CJ, Cousin MA, Basu S, Jenkinson G, Oliver G, Pittock ST, Baughn LB, Klee EW, Babovic-Vuksanovic D
Cold Spring Harb Mol Case Stud 2019 Dec;5(6) Epub 2019 Dec 13 doi: 10.1101/mcs.a004655. PMID: 31662300Free PMC Article
Robinow syndrome: a diagnosis at the fingertips.
Murali CN, Keena B, Zackai EH
Clin Dysmorphol 2018 Oct;27(4):135-137. doi: 10.1097/MCD.0000000000000230. PMID: 29864040Free PMC Article
The anatomy of Wassel type IV-D thumb duplication.
He B, Liu G, Nan G
J Hand Surg Eur Vol 2017 Jun;42(5):516-522. Epub 2017 Feb 14 doi: 10.1177/1753193417691747. PMID: 28196434

Clinical prediction guides

Use of the duplication range concept for understanding morphology and predicting prognosis in thumb polydactyly.
Saito S, Makino A, Yamanaka H, Tsuge I, Morimoto N
J Hand Surg Eur Vol 2023 Jan;48(1):10-19. Epub 2022 Oct 6 doi: 10.1177/17531934221126864. PMID: 36204982
Reoperation after primary operation for pre-axial polydactyly of the hand: A 12-year experience at a single institute.
Shin YH, Yoon JO, Kim SS, Joo HS, Al-Dhafer BAA, Kim JK
J Plast Reconstr Aesthet Surg 2022 Aug;75(8):2658-2663. Epub 2022 Apr 22 doi: 10.1016/j.bjps.2022.04.015. PMID: 35570116
Opening wedge phalangeal osteotomy for correction of Wassel type IV-D thumb duplication.
Wang K, Ai F, Zhou P, Liu Z, Chen Z, Chen J
Handchir Mikrochir Plast Chir 2020 Apr;52(2):147-150. Epub 2019 Oct 9 doi: 10.1055/a-0893-6659. PMID: 31597168
An intragenic duplication of TRPS1 leading to abnormal transcripts and causing trichorhinophalangeal syndrome type I.
Zepeda-Mendoza CJ, Cousin MA, Basu S, Jenkinson G, Oliver G, Pittock ST, Baughn LB, Klee EW, Babovic-Vuksanovic D
Cold Spring Harb Mol Case Stud 2019 Dec;5(6) Epub 2019 Dec 13 doi: 10.1101/mcs.a004655. PMID: 31662300Free PMC Article
Opposable triphalangeal thumb: clinical features and results of treatment.
Ogino T, Ishii S, Kato H
J Hand Surg Am 1994 Jan;19(1):39-47. doi: 10.1016/0363-5023(94)90222-4. PMID: 8169367

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