Podcast
Questions and Answers
Which of the following is NOT a condition associated with dysmelia?
Which of the following is NOT a condition associated with dysmelia?
Individuals with achondroplasia have a normal intelligence.
Individuals with achondroplasia have a normal intelligence.
True
What is the typical maximal height range in individuals with achondroplasia?
What is the typical maximal height range in individuals with achondroplasia?
120-125 cm
The fusion of fingers or toes from birth is known as __________.
The fusion of fingers or toes from birth is known as __________.
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Match the condition with its description:
Match the condition with its description:
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Study Notes
Dysmelia
- Congenital malformations of the extremities
- Amelia: Absence of a whole limb
- Polydactyly: An excess of fingers or toes
- Oligodactyly: A deficiency of fingers or toes
- Syndactyly: Fusion of fingers or toes at birth
Achondroplasia
- A disorder affecting endochondral bone growth
- Epiphyseal fusion occurs prematurely, impacting longitudinal bone growth
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Clinical Findings:
- Disproportionate short stature with the maximum height of 120-125 cm
- Short, stocky extremities (micromelia) with O-shaped leg alignment
- Characteristic facial features, including a depressed nasal bridge, a prominent forehead, and a larger skull
- Joint malformations of the hip with increased lumbar lordosis (curve of the lower back)
- Spinal stenosis
- Normal intelligence
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Description
This quiz explores congenital malformations of the extremities, focusing on dysmelia conditions such as amelia, polydactyly, oligodactyly, and syndactyly. It also covers achondroplasia, detailing its effects on bone growth, clinical findings, and characteristic features. Test your knowledge on these important medical conditions.
