Figure 1. Full-thickness defect of the volar aspect of the right distal thumb. DESCRIPTION A 56-year-old right-hand-dominant man sustained an avulsion injury to his right thumb while operating a rotating chain machine, resulting in a full-thickness traumatic defect of the volar aspect of the distal thumb measuring 7 cm 2 (Fig 1).

For many years hypoplastic or aplastic anemia has been identified with a confusing group of pancytopenias which are refractory to treatment. Recently The Committee for Clarification of the Nomenclature of Cells and Diseases of the Blood and Blood-forming Organs has redefined the term hypoplastic anemia and discarded the term aplastic anemia."3 Hypoplastic anemia is defined by this committee as ...

Among the congenital abnormalities of the urinary tract, the term hypoplastic kidney is one of the least well defined and also one of the most widely used. Certain abnormal structures are sometimes called hypoplastic kidneys and certain abnormal kidneys which we term hypoplastic are called by some aplastic (even agenetic) kidneys, dysplastic, congenital atrophic, miniature, or infantile kidneys...

Congenital adducted thumb has been called variously as congenital clasped thumb, thumb in palm deformity or flexion adduction deformity of the thumb. This condition can be an isolated anomaly or associated with several genetic disorders. The syndromes that include adducted thumb as a cardinal feature such as Dundar Syndrome are few in the literature. This syndrome is an autosomal-recessive very...

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...