Paediatric Upper Limb
A 6-month-old infant is referred with bilateral small thumbs noted at birth. The right thumb is smaller than the left with an unstable MCP joint. Examination reveals a hypoplastic thenar eminence, absent opposition, and an unstable ulnar collateral ligament. The CMC joint is present and stable. Radiographs show a hypoplastic first metacarpal with all phalanges present. The hand surgeon discusses the Blauth classification and treatment options. Regarding thumb hypoplasia and the Blauth classification:
Mark each as TRUE or FALSE
BLAUTH CLASSIFICATION of thumb hypoplasia: Type I = minor hypoplasia (small but functional); Type II...
The critical distinction is between IIIA and IIIB: Types I-IIIA have a STABLE CMC joint and are amen...
Blauth Type IIIB thumbs should undergo reconstruction rather than pollicization because they retain ...
POLLICIZATION involves transposition of the index finger to thumb position with: shortening and rota...
Thumb hypoplasia is commonly associated with RADIAL LONGITUDINAL DEFICIENCY (radial club hand); VACT...
Answer the questions to see explanations
Click T (True) or F (False) for each option