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Duplication of phalanx of toe

MedGen UID:
866971
•Concept ID:
C4021328
•
Anatomical Abnormality
Synonyms: Duplicated toe bone; Partial/complete duplication of the phalanges of the toes
 
HPO: HP:0010181

Definition

Partial/complete duplication of one or more phalanx of toe. [from HPO]

Recent clinical studies

Etiology

Surgical Outcomes and Predictive Factors of Medial Toe Excision for Polysyndactyly of the Fifth Toe.
Ko KR, Shim JS, Kang J, Park J
Foot Ankle Int 2021 May;42(5):562-569. Epub 2020 Nov 16 doi: 10.1177/1071100720971289. PMID: 33198478
Isolated heptadactylia: A case report of central polydactyly of the foot.
Piette N, Zambelli PY, N'Dele D
Medicine (Baltimore) 2017 Oct;96(42):e8324. doi: 10.1097/MD.0000000000008324. PMID: 29049244Free PMC Article
Treatment of lateral ray polydactyly of the foot: focusing on the selection of the toe to be excised.
Uda H, Sugawara Y, Niu A, Sarukawa S
Plast Reconstr Surg 2002 Apr 15;109(5):1581-91. doi: 10.1097/00006534-200204150-00015. PMID: 11932601
Treatment of preaxial polydactyly of the foot.
Masada K, Tsuyuguchi Y, Kawabata H, Ono K
Plast Reconstr Surg 1987 Feb;79(2):251-8. doi: 10.1097/00006534-198702000-00018. PMID: 3809271

Diagnosis

Is an association of acro-osteolysis, bone fragility, and enchondromatosis a newfound disease caused by an amplification of PTHLH? A case report.
Echaubard S, Pebrel-Richard C, Chausset A, Kemeny JL, Merlin E, Laffargue F
Pediatr Rheumatol Online J 2022 Jul 30;20(1):58. doi: 10.1186/s12969-022-00720-8. PMID: 35908058Free PMC Article
Duplicated distal phalanx of thumb or hallux in trisomy 13: A recurrent feature in a series of 42 fetuses.
Létard P, Guimiot F, Dupont C, Rosenblatt J, Delezoide AL, Khung-Savatovsky S
Am J Med Genet A 2018 Nov;176(11):2325-2330. Epub 2018 Oct 17 doi: 10.1002/ajmg.a.40505. PMID: 30328679
Isolated heptadactylia: A case report of central polydactyly of the foot.
Piette N, Zambelli PY, N'Dele D
Medicine (Baltimore) 2017 Oct;96(42):e8324. doi: 10.1097/MD.0000000000008324. PMID: 29049244Free PMC Article
Are triphalangeal thumb-polysyndactyly syndrome (TPTPS) and tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome (THPTTS) identical? A father with TPTPS and his daughter with THPTTS in a Thai family.
Kantaputra PN, Chalidapong P
Am J Med Genet 2000 Jul 17;93(2):126-31. doi: 10.1002/1096-8628(20000717)93:2<126::aid-ajmg9>3.0.co;2-s. PMID: 10869115
Acrorenal syndrome in an adult--presentation with proteinuria, hypertension, and glomerular lesions.
Zeier M, Tariverdian G, Waldherr R, Andrassy K, Ritz E
Am J Kidney Dis 1989 Sep;14(3):221-4. doi: 10.1016/s0272-6386(89)80075-7. PMID: 2773925

Prognosis

Surgical Outcomes and Predictive Factors of Medial Toe Excision for Polysyndactyly of the Fifth Toe.
Ko KR, Shim JS, Kang J, Park J
Foot Ankle Int 2021 May;42(5):562-569. Epub 2020 Nov 16 doi: 10.1177/1071100720971289. PMID: 33198478
Treatment of preaxial polydactyly of the foot.
Masada K, Tsuyuguchi Y, Kawabata H, Ono K
Plast Reconstr Surg 1987 Feb;79(2):251-8. doi: 10.1097/00006534-198702000-00018. PMID: 3809271

Clinical prediction guides

Is an association of acro-osteolysis, bone fragility, and enchondromatosis a newfound disease caused by an amplification of PTHLH? A case report.
Echaubard S, Pebrel-Richard C, Chausset A, Kemeny JL, Merlin E, Laffargue F
Pediatr Rheumatol Online J 2022 Jul 30;20(1):58. doi: 10.1186/s12969-022-00720-8. PMID: 35908058Free PMC Article
Surgical Procedures Based on the Arthrographic Findings of the Fifth MTP Joint With Proximal Phalanx Duplication in Postaxial Polydactyly of the Foot.
Kurokawa T, Iba K, Hanaka M, Teramoto A, Emori M, Hayakawa H, Saito A, Takashima K, Yamashita T
J Foot Ankle Surg 2021 Sep-Oct;60(5):983-989. Epub 2021 Apr 20 doi: 10.1053/j.jfas.2021.04.011. PMID: 34006434
Surgical Outcomes and Predictive Factors of Medial Toe Excision for Polysyndactyly of the Fifth Toe.
Ko KR, Shim JS, Kang J, Park J
Foot Ankle Int 2021 May;42(5):562-569. Epub 2020 Nov 16 doi: 10.1177/1071100720971289. PMID: 33198478
Duplicated distal phalanx of thumb or hallux in trisomy 13: A recurrent feature in a series of 42 fetuses.
Létard P, Guimiot F, Dupont C, Rosenblatt J, Delezoide AL, Khung-Savatovsky S
Am J Med Genet A 2018 Nov;176(11):2325-2330. Epub 2018 Oct 17 doi: 10.1002/ajmg.a.40505. PMID: 30328679
Palmar and plantar pads and flexion creases of genetic polydactyly mice (Pdn).
Kimura S, Naruse I, Schaumann BA, Plato CC, Shimada M, Shiota K
J Morphol 1999 Jan;239(1):87-96. doi: 10.1002/(SICI)1097-4687(199901)239:1<87::AID-JMOR6>3.0.CO;2-5. PMID: 9918099

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