PMC4089259_01
Renal biopsy specimen demonstrating oxalate deposition (arrows) visualized under A) light microscopy and B) polarized light
ijotm-2-126-g002.jpg
PMC4089259_01_ijotm-2-126-g002.jpg
F2
A renal biopsy demonstrated severe tubulo-interstital disease with extensive oxalate crystal deposition in the renal tubules (Fig 2).
Bone marrow biopsy specimen demonstrating oxalate deposition (arrows) visualized under A) light microscopy and B) polarized light
ijotm-2-126-g003.jpg
PMC4089259_01_ijotm-2-126-g003.jpg
F3
Over the next 20 months, the patient's functional status deteriorated significantly due to myopathy as confirmed by electromyography; he developed a restrictive ventilatory disorder based on pulmonary function testing, and erythropoietin-resistant anemia secondary to oxalate deposition as demonstrated on bone marrow biopsy (Fig 3).