Disk disease and occult malignancies.
D000230:Adenocarcinoma / Q000000981:diagnostic imaging / Q000473:pathology; D000368:Aged; D001706:Biopsy; D003937:Diagnosis, Differential; D005260:Female; D005266:Femoral Neoplasms / Q000000981:diagnostic imaging; D006801:Humans; D007403:Intervertebral Disc / Q000473:pathology; D007405:Intervertebral Disc Displacement / Q000175:diagnosis* / Q000000981:diagnostic imaging; D016403:Lymphoma, Large B-Cell, Diffuse / Q000000981:diagnostic imaging / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009192:Myelography; D009362:Neoplasm Metastasis; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D012208:Rhabdomyosarcoma / Q000000981:diagnostic imaging / Q000473:pathology; D013125:Spinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging