Artigo Revisado por pares

‘Snapping’ knee secondary to a tibial osteochondroma

2007; Elsevier BV; Volume: 15; Issue: 1 Linguagem: Inglês

10.1016/j.knee.2007.09.003

ISSN

1873-5800

Autores

Jacob Yoong-Leong Oh, Ker‐Kan Tan, Yue-Shuen Wong,

Tópico(s)

Knee injuries and reconstruction techniques

Resumo

Osteochondroma is the most common bone tumour and is usually found around the knee. Typical presentations range form painless masses around the joint to mechanical irritation caused by direct pressure over surrounding muscles. Snapping of the knee caused by an osteochondroma however has not been described in literature.An active 19-year-old gentleman presented with snapping of the left medial hamstring tendon for over 5 years, but with recent increase in frequencies of attack. The patient was initially diagnosed to have a sporting injury. Radiological investigation showed an opaque lesion on the medial border of the proximal tibia, which was suggestive of an osteophyte.The lump was surgically excised and the patient made good recovery with resolution of symptoms. Histological results revealed the lesion to be that of an osteochondroma.Although rare, osteochondroma should be considered as a differential when approaching a case of snapping knee pain.

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