6-year-old castrated male Doberman Pinscher

• Lateral and ventrodorsal spinal images centered at the midthoracic, thoracolumbar, and midlumbar regions. Focused images centered at the caudal lumbar spine provided at request.
• Lysis of the right transverse process of L5 with extension of lytic process into the body of L5

• Primary bone tumor of the spine
• Metastatic bone tumor
• Soft tissue neoplasm invading bone
• Infectious process – much lower diagnosis

• Biopsy of L5
• Thoracic radiographs to evaluate for metastasis
• Bone scintigraphy

• Unsuccessful candidates failed to recognize the L5 lesion