The dermatoglyphics of nine Japanese (three males and six females) with triphalangeal thumb were studied.
The dermal pattern on the triphalangeal thumb showed the high increased frequency of radial loop pattern (69.2%).
Get full access to this article
View all access options for this article.
References
1.
CHAN, KM, and DW LAMB (1983). Triphalangeal Thumb and Five-Fingered Hand. The Hand, 15, 329-334.
2.
CUMMINS, H (1926). Epidermal-Ridge Configurations in Developmental Defects, with Particular Reference to Ontogenetic Factors which Condition Ridge Direction. The American Journal of Anatomy, 38, 89-151.
3.
CUMMINS, H (1932). Spontaneous Amputation of Human Supernumerary Digits; Pedunculated Postminimi. American Journal of Anatomy, 51, 381-416.
4.
HAAS, SC (1939). Three Phalangeal Thumbs. The American Journal of Roentgenology, 42, 677-682.
5.
JAMES, JIP, and DW LAMB (1963). Congenital Abnormalities of the Limbs. The Practitioner, 191, 159.
6.
JOACHIMSTHAL, G (1900). Die angeborenen Verbildungen der oberen Extremitäten. Fortschritte auf dem Gebiete der Roentgenstrahlen, 42, 677-682.
7.
LAPIDUS, PW, and FP GUIDOTTI (1944). Triphalangeal Bifid Thumb. Report of six cases. Archives of Surgery, 49, 228-234.
8.
MULVIHILL, JJ, and DW SMITH (1969). The genetics of dermatoglyphics. The Journal of Pediatrics, 75, 579-589.
9.
SHIONO, H, and T OGINO (1980). Dermatoglyphs in duplication of the thumb. Journal of Medical Genetics, 17, 194-196.
10.
SHIONO, H, and T OGINO (1981). Primary Absence—Defects of Limbs and Dermatoglyphics. American Journal of Medical Genetics, 9, 89-90.
11.
SWANSON, AB, and KS BROWN (1962). Hereditary Triphalangeal Thumb. The Journal of Heredity, 53, 259-265.
12.
TEMTAMY, S, and V McKUSICK (1978). The Genetics of Hand Malformations. In National Foundation—March of Dimes. New York: Alan R. Liss. Inc.