Background: Gorham-Stout disease (GSD), a fibro-lymphovascular entity in which tissue replaces the bone leading to massive osteolysis and its sequelae, rarely leads to spinal deformity/instability and neurological deficits. Here, we report a 12-year-old female who was diagnosed and treated for GSD.
Case description: A 12-year-old female presented with back pain, and the inability to walk, sit, or stand attributed to three MR/CT documented L2-L4 lumbar vertebral collapses. Closed biopsies were negative. However, an open biopsy diagnosed GSD. She underwent a dorsal-lumbar-to-pelvis fusion (i.e., T5-T12 through L5/S1/S2) using multilevel pedicle screw/rod stabilization and human leukocyte antigens (HLAs) matched allograft (i.e. from her father). Postoperatively, she was treated with "off-label" teriparatide injections, bisphosphonates, and sirolimus. Four years later, while continuing the bisphosphonate therapy, she remained stable.
Conclusion: Surgical multirod stabilization from T5 to S2, supplemented with HLA compatible allograft, and multiple medical "off-label" therapies (i.e., teriparatide, sirolimus, and bisphosphonates) led to a good 4-year outcome in a 12-year-old female with GSD.
Keywords: Gorham-Stout; Osteolysis; Paraparesis; Sirolimus; Teriparatide; Vanishing.
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