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  • Title: Symptomatic lumbar osteochondroma treated via a multidisciplinary military surgical team: case report and review of the literature.
    Author: Rymarczuk GN, Dirks MS, Whittaker DR, Neal CJ.
    Journal: Mil Med; 2015 Jan; 180(1):e129-33. PubMed ID: 25562870.
    Abstract:
    The authors describe the case of a giant osteochondroma emanating from the L5 vertebral body and extending into the retroperitoneum of a 40-year-old man, causing low back pain. Osteochondromas are benign bony tumors that typically occur within the appendicular skeleton, although in the sporadic form, up to 4% occur in the spine. A review of the English language literature has returned 44 cases of lumbar osteochondroma, including the present example. The lesions were sporadic in 81% of cases. Mean age of presentation overall is 39.5 years, with a mean age of 18.4 years (range 8-34 years) for hereditary cases and 45.7 years (range 11-81 years) for solitary lesions. Of the instances where gender was reported, 64% were male. The most common level of origin was L4 (38%). The most common anatomic site of origin was the inferior articular process (one-third). Of those lesions treated operatively, 46% underwent simple decompression, with 22% requiring decompression and fusion. This particular lesion was resected via a transperitoneal approach performed by a multidisciplinary team of neurosurgeons, vascular surgeons, and urologists. The bony tumor measured 6.1 × 7.8 × 7.7 cm. Removal of the lesion resulted in a significant improvement of the patient's symptoms.
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