Osteoid Osteoma of Left Pars Inter-Articularis of Fourth Lumbar
Vertebra
S Ajnin, U K Debnath, and M H Mehdian
Corresponding address: U. K Debnath, MS (Orth),
FRCS, Research Fellow, 140B Marlborough Road, Roath, Cardiff CF23
5BZ, UK.
Email: ukdeb86@hotmail.com
; ujjwalkd@yahoo.com
Abstract
A 19-year old boy presented with a 3-month duration
of intermittent low back pain. SPECT imaging and CT scan confirmed
the diagnosis of osteoid osteoma in the left pars inter-articularis
of the L4 vertebra. Surgical
enucleation of the tumour, curettage and bone grafting was performed
through a posterior approach. The pars inter-articularis of L4
is an unusual location of the tumour. Early surgery resulted in
a successful outcome.
Key words
Osteoid osteoma, pars inter-articularis, lumbar
spine
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