arachnodactyly


Also found in: Encyclopedia, Wikipedia.

arachnodactyly

 [ah-rak″no-dak´tĭ-le]
extreme length and slenderness of the fingers or toes, as in marfan syndrome.

a·rach·no·dac·ty·ly

(ă-rak'nō-dak'ti-lē),
A condition in which the hands and fingers, and often the feet and toes, are abnormally long and slender; a characteristic of Marfan syndrome [MIM*154700], Achard syndrome [MIM*100700], MASS syndrome [MIM*157700], and related hereditary disorders of connective tissue.
Synonym(s): spider finger
[G. arachnē, spider, + daktylos, finger]

arachnodactyly

/arach·no·dac·ty·ly/ (ah-rak″no-dak´tĭ-le) extreme length and slenderness of fingers and toes.

arachnodactyly

[ərak′nōdak′tilē]
Etymology: Gk, arachne, spider, dactylos, finger
a congenital anomaly in which the fingers and toes are long, thin, and spiderlike. It is seen in Marfan's syndrome.
enlarge picture
Arachnodactyly in Marfan's syndrome
(1) Long spider-like fingers and/or toes
(2) An older term for Marfan syndrome

arachnodactyly

1. Long fingers/toes.
2. Obsolete for Marfan syndrome.

a·rach·no·dac·ty·ly

, arachnodactylia (ă-rak'nō-dak'ti-lē, -dak-tilē-ă)
A condition in which the hands and fingers, and often the feet and toes, are abnormally long and slender; a characteristic of Marfan syndrome and kindred hereditary disorders of connective tissue.
[G. arachnē, spider, + daktylos, finger]

arachnodactyly

Having abnormally long, spider-like hands and fingers. Arachnodactyly is a feature of MARFAN'S SYNDROME.

Arachnodactyly

A condition characterized by abnormally long and slender fingers and toes.
Mentioned in: Marfan Syndrome

Beals,

Rodney Kenneth, U.S. orthopedic surgeon, 1931–.
Beals syndrome - congenital condition resulting in abnormally long hands and fingers and often feet and toes. Synonym(s): arachnodactyly

arachnodactyly

abnormally long or slender hands, feet, fingers and toes characteristic of Marfan's syndrome (see syndrome, Marfan's)
References in periodicals archive ?
Keratosis palmoplantaris congenita with periodontosis, arachnodactyly and peculiar deformity of terminal phalanges.
Fibrillin-2 (FBN2) mutations result in the Marfan-like disorder, congenital contractural arachnodactyly.
Although both HMS and PLS share the common pathogenomic features of PPK and severe periodontitis6,7 and are allelic variants of cathepsin C gene mutations6,8, a number of additional findings are reported in HMS including onychogryphosis (curved nails), arachnodactyly (spider fingers/ elongated and slender shaped fingers and toes), acro-osteolysis (tappered pointed distal phalangeal ends due to osteolysis), pes planus (flat foot), occasionally hyperkeratotic psorisiform lesions with an erythematous background on the extensor surfaces of elbows and knees9,10,11,12 and rarely destructive arthritis of the wrists and shoulder joints.
Beals Hecht syndrome, also known as congenital contractural arachnodactyly, is a member of arthrogryposis multiplex congenita family.
05, tall stature, arachnodactyly, hyperextensibility and ligamentous laxity, scoliosis, and chest wall deformity (pectus excavatum or carinatum), in addition to ectopia lentis (lens dislocation).
Beals syndrome, also known as congenital contractural arachnodactyly (CCA), is an autosomal-dominant connective tissue disorder, similar in many respects to Marfan syndrome, characterized by multiple flexion contractures, arachnodactyly, severe kyphoscoliosis, abnormal pinnae and muscular hypoplasia [1, 2].
Marfan syndrome and classic homocystinuria represent the top 2 in the list of differential diagnoses for a patient presenting with external features of tall stature, disproportionately long limbs, arachnodactyly, scoliosis, and, after ophthalmologic investigation, lens dislocation.
The diagnosis of MS was established on the characteristics of tall stature, intermaxillary narrowness, myopia, retinitis pigmentosa, blue sclera, scoliosis, pectus excavatum, arachnodactyly and diminished ratio of Us/Ls.
Contractual arachnodactyly is characterized by a Marfan-like appearance (ie, tall and gangly with long digits) and has been confused with Marfan syndrome for many years.
The latter condition has a phenotypic expression similar to PLS, plus in addition arachnodactyly, atrophic changes of the nails, and deformity of the phalanges of the hand [Hart and Shapira, 1994].
Key Words: congenital contractural arachnodactyly, Beals syndrome, "crumpled ear," fibrillin-2 protein
Arachnodactyly or long thin fingers are a common skeletal finding.