Lab Studies:
Complete blood count: normal
<br>Complete metabolic panel: anion gap metabolic acidosis
<br>C-reactive protein: 3.4 mg/dl
<br>Erythrocyte sedimentation rate: 50 mm
<br>Creatine kinase: normal
<br>Urinalysis: unremarkable
Other Studies:
Anteroposterior pelvis x-ray and lateral sacrum/coccyx x-ray: no acute fracture or dislocation
<br> <a href="CaseStudyImages/CS1WhenWalkingFunnyI-1181.jpg" title="Case Photo #1" data-lity><b>Case Photo #1</b></a>
<br> <a href="CaseStudyImages/CS2CS1WhenWalkingFun-1181.jpg" title="Case Photo #2" data-lity><b>Case Photo #2</b></a>
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<br>Magnetic resonance imaging of the entire spine with and without intravenous contrast: large right presacral, partially necrotic mass 4.8 cm x 6.2 cm x 5.6 cm at the anterior right S1 vertebral body with caudal extension to the coccyx and invasion of the right sacrum, right sacral neural foramina and encasement of the right internal iliac artery
<br> <a href="CaseStudyImages/CS3CS2CS1WhenWalking-1181.jpg" title="Case Photo #3" data-lity><b>Case Photo #3</b></a>
<br>Magnetic resonance imaging of lumbar spine, sagittal view, STIR
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<br> <a href="CaseStudyImages/CS4CS3CS2CS1WhenWalk-1181.jpg" title="Case Photo #4" data-lity><b>Case Photo #4</b></a>
<br>Magnetic resonance imaging of S1, axial view, T1 post
Consultations:
Pediatric oncology, orthopedics, neurology
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