PMC7094050_01
Computed tomography scan showing apparent destruction at the anterior superior corner of the L4 vertebra (Pedro Pons' sign) accompanied by prominent osteosclerosis and osteophytes resembling a parrot's beak.
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A computed tomography (CT) scan revealed apparent destruction at the anterior superior corner of the L4 vertebra, known as Pedro Pons' sign, accompanied by osteophyte formation (Figure 1).
Magnetic resonance imaging showing bone destruction in the L3 and L4 vertebrae, narrowed intervertebral space, and paravertebral abscesses resembling teardrops.
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Magnetic resonance imaging showed bone destruction in the L3 and L4 vertebrae accompanied by paravertebral abscesses (Figure 2).