Question

A 10 year old child presents with limb pain. Bone mineral density is normal. Diagnosis

• A. Scurvy
• B. Rickets
• C. Pyknodysostosis
• D. Metaphyseal Dysplasia

Answer 1

The Correct Option is A

In diagnosing a 10-year-old child with limb pain and normal bone mineral density, we need to consider the given options and their characteristics:

1. Scurvy: This condition, caused by a deficiency in vitamin C, leads to symptoms such as gingival swelling, anemia, and especially bone pain, often due to subperiosteal hemorrhages. It is consistent with normal bone mineral density.
2. Rickets: Typically associated with vitamin D deficiency, rickets leads to defective mineralization of growing bones, causing low bone mineral density.
3. Pyknodysostosis: A rare genetic disorder characterized by dense and brittle bones, not compatible with normal bone mineral density.
4. Metaphyseal Dysplasia: A group of disorders affecting bone growth, usually revealing abnormal bone density on radiological examination.

Given the normal bone mineral density and limb pain presented in the question, the most likely diagnosis is Scurvy, as bone mineral density remains unaffected in this condition while limb pain is a common symptom. This matches the clinical presentation described.