CONGENITAL SPLIT FOOT (LOBSTER CLAW) AND TRIPHALANGEAL THUMB

Congenital split foot (lobster claw) and triphalangeal thumb.

Triphalangeal thumb.

Triphalangeal thumb (TPT), a rare malformation of uncertain pathogenesis, may occur as an isolated defect, in association with other malformations of the hands, or as a feature of a syndrome or sequence. Isolated TPT occurs in two functional types: opposable and non-opposable. The latter appears to be inherited as a simple autosomal dominant trait, while the former is generally sporadic. TPT is...

Lobster claw leg.

His right leg was shorter than the left and ended in a conical stump. The foot had a well developed big toe and rudimentary second toe, and was located halfway up the lateral aspect ofthe leg (Fig. 1). The lateral three toes were absent. He could grasp the examiner’s two fingers firmly with this clawlike malformation and pick up a rubber ball 4 cm in diameter. His hips, femora, knees, left leg ...

Triphalangeal thumb in a Bantu family.

its comparative rarity may be indicated by the fact that in a review of the literature for the ensuing fifty-two years (Stieve 1916) only thirty-nine cases were collected. Lapidus, Guidotti and Coletti (1943) discovered six cases while examining 75,000 men drafted to an American Army centre. These workers quoted a statement by Dr M. Pomeranz. radiologist of the Hospital for Joint Diseases in Ne...

Ectrodactyly or Lobster Claw Syndrome ,

Split-hand/split-foot malformation is a rare limb malformation with median clefts of the hands and feet and aplasia/hypoplasia of the phalanges, metacarpals and metatarsals. When present as an isolated anomaly, it is usually inherited as an autosomal dominant form We report a case of autosomal dominant inheritance and discuss the antenatal diagnosis, genetic counseling and treatment for the mal...