Day 15

Question 1

Which hand abnormality would be expected in the hand of a child with achondroplasia?

Answer 1

Trident hand

A patient with achondroplasia has disproportionate short stature, with an enlarged head and short arms and legs when compared to the trunk length. There is a separation between the middle and ring fingers (trident hand).

• A patient with achondroplasia has disproportionate short stature, with an enlarged head and short arms and legs when compared to the trunk length.
• Most individuals with achondroplasia eventually reach an adult height of about 4 feet.
• Hands are short with stubby fingers.
• There is a separation between the middle and ring fingers (trident hand).

Question 2

How long after birth does cephalohematoma take to manifest?

Answer 2

It usually manifests several hours after delivery.

Question 3

Under which layer does the cephalohaematoma manifest?

Answer 3

The haematoma occurs as a result of damage to capillaries beneath the periostium.

Question 4

How long does a cephalohematoma take to resolve?

Answer 4

They usually require no treatment, but may take up to three months to resolve.

Question 5

Which conditions are associated with short stature?

Prematurity

Down’s syndrome

Pseudohypoparathyroidism

Homocystinuria

Turner’s syndrome