Which condition is characterized by shortening of the bones in the hands and feet?

Which condition is characterized by shortening of the bones in the hands and feet?

• A. Acromelia
• B. Banana Sign
• C. Hydrocephalus
• D. Frontal Bossing

Answer: (A)

Shortening of the distal limb bones describes acromelia. In skeletal dysplasias, limb shortening is labeled by which part of the limb is affected: distal segments (hands and feet) are acromelic, proximal segments (humerus, femur) are rhizomelic, and the middle portions (forearms, lower legs) are mesomelic. The other terms refer to different findings: Banana Sign is a brain feature seen with Arnold-Chiari II malformation, hydrocephalus involves enlarged ventricles, and frontal bossing is a prominent forehead not specifically tied to distal limb shortening. So, the pattern of shortened hands and feet fits acromelia.

Shortening of the distal limb bones describes acromelia. In skeletal dysplasias, limb shortening is labeled by which part of the limb is affected: distal segments (hands and feet) are acromelic, proximal segments (humerus, femur) are rhizomelic, and the middle portions (forearms, lower legs) are mesomelic. The other terms refer to different findings: Banana Sign is a brain feature seen with Arnold-Chiari II malformation, hydrocephalus involves enlarged ventricles, and frontal bossing is a prominent forehead not specifically tied to distal limb shortening. So, the pattern of shortened hands and feet fits acromelia.