title: Breakdancer's back.
abstract: We report a case of a painful soft tissue swelling in the thoracolumbar region of the spine of a breakdancer, which caused serious diagnostic difficulty because of coexisting congenital absence of a transverse process of the first lumbar vertebra.
mesh_terms: D001416:Back Pain / Q000209:etiology*; D002062:Bursitis / Q000209:etiology; D002648:Child; D003615:Dancing; D005355:Fibrosis / Q000209:etiology; D006801:Humans; D008159:Lumbar Vertebrae / Q000002:abnormalities*; D008297:Male