Preferred Label : hitchhiker thumb;
RADLEX synonyms : hitch-hiker's thumb;
Definition : Hypoplasia of the first metacarpal; characteristic of diastrophic dysplasia (diastrophic
dwarfism). Alternate definition: An autosomal recessive trait more formally known
as distal hyperextensibility of the thumb.;
Source : Mulligan ME. Classic radiologic signs: an atlas and history.;
Origin ID : RID35276;
Associated condition(s)
Automatic exact mappings (from CISMeF team)
Hypoplasia of the first metacarpal; characteristic of diastrophic dysplasia (diastrophic
dwarfism). Alternate definition: An autosomal recessive trait more formally known
as distal hyperextensibility of the thumb.