A painless lump in the armBMJ 2016; 354 doi: https://doi.org/10.1136/bmj.i4503 (Published 13 September 2016) Cite this as: BMJ 2016;354:i4503
- Shahrukh Raees Ahmad, foundation year 2 doctor1,
- Raees Bhatti, 4th year medical student2,
- Gulraiz Ahmad, radiology registrar3
- 1Pennine Acute Hospitals NHS Trust, Manchester, UK
- 2University of Liverpool, UK
- 3North West School of Radiology
- Correspondence to: S R Ahmad
A 15 year old boy presented to his doctor with a painless palpable lump in his right upper arm. He had had it for “many years,” but was now conscious about it. A plain radiograph of the arm showed multiple bony lesions (fig 1⇓). What is the diagnosis?
Hereditary multiple exostoses (also known as diaphyseal aclasis) (fig 2⇓).
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