Abstract
Tumoral calcinosis is a rare disease involving the ectopic calcifications in the major juxtaarticular sites that was first described by Inclan Alberto in 1943. The etiology of tumoral calcinosis is still obscure. A disturbance of the phosphate metabolism in the kidney has been considered a major cause. However, some patients have no laboratory abnormalities. Tumoral calcinosis in the spine has not been reported in Korea. Recently, we encountered a case of tumoral calcinosis in the lumbar region. The clinical and pathological findings are discussed with a review of the relevant literature.
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Fig. 2.
Lateral X-ray of lumbar spine shows scanty calcification (arrow) at L3~4 interspinous ligament area.
![jkss-14-207f2.tif](/upload/SynapseXML/0089jkss/thumb/jkss-14-207f2.gif)
Fig. 3.
Sagittal images of MRI shows a mass at interspinous ligament area. T1-weighted and T2-weighted images show that heterogenous low signal change is surrounded by a rim of increased signal. (A) T1-weighted image, (B) T2-weighted image.
![jkss-14-207f3.tif](/upload/SynapseXML/0089jkss/thumb/jkss-14-207f3.gif)
Fig. 4.
Axial images of MRI shows septum of increased signal at T1-weighted and T2-weighted image. T1 weighted image shows sedimentation sign (arrow). (A) T1-weighted image, (B) T2-weighted image.
![jkss-14-207f4.tif](/upload/SynapseXML/0089jkss/thumb/jkss-14-207f4.gif)
Fig. 5.
It is a photograph of the mass after excision. The excised specimen is measured 1.5×2.0×2.0 cm in size. (A) Axial view of the mass, (B) Sagittal view of the mass
![jkss-14-207f5.tif](/upload/SynapseXML/0089jkss/thumb/jkss-14-207f5.gif)