The term distal symphalangism refers to a bony fusion of the distal and middle phalanges of the digits of the hand, in other words the distal interphalangeal joint (DIJ) is missing which can be seen either on x-rays or as an absence of the distal interphalangeal finger creases.
Synonyms:
exact_synonym:
Fused outermost bones of hand; Symphalangism affecting the distal phalanges of the hand; Synostosis of distal phalanges; Terminal symphalangism