De Smet L, Keymolen K, Fryns J P
Center for Human Genetics, U.Z. Gasthuisberg, Leuven, Belgium.
Genet Couns. 1999;10(4):369-72.
We report 3 non related patients with severe hypoplasia/aplasia of the thumb with an ipsilateral synostosis of the fourth and fifth metacarpals. A review of few reports on this unusual association is presented and the possible pathogenetic mechanism is discussed.