title: Thymoma-associated myasthenia gravis without acetylcholine receptor antibodies.
abstract: Patients with myasthenia gravis and thymoma usually present antibodies to the acetylcholine receptor (AchR-Ab). Only two cases of thymoma-associated myasthenia gravis without AchR-Ab have been previously reported. We describe a case of seronegative thymoma-associated myasthenia gravis as a further evidence of the variability of myasthenia gravis in terms of antibody profile and thymic pathological findings.
authors.affiliation: Neurological Department, A. Manzoni Hospital, Via Dell'Eremo 9/11, 23900 Lecco, Italy. rig74@libero.it
authors.forename: Andrea
authors.initials: A
authors.lastname: Rigamonti
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Lauria
authors.forename: Francesca
authors.initials: F
authors.lastname: Piamarta
authors.forename: Anna
authors.initials: A
authors.lastname: Fiumani
authors.forename: Elio
authors.initials: E
authors.lastname: Agostoni
mesh_terms: D000200:Action Potentials / Q000502:physiology; D000893:Anti-Inflammatory Agents / Q000627:therapeutic use; D001323:Autoantibodies; D001379:Azathioprine / Q000627:therapeutic use; D004558:Electric Stimulation; D019054:Evoked Potentials, Motor / Q000502:physiology; D017809:Fatal Outcome; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D018908:Muscle Weakness / Q000209:etiology; D018482:Muscle, Skeletal / Q000502:physiology; D009157:Myasthenia Gravis / Q000150:complications* / Q000276:immunology; D009460:Neurologic Examination; D011241:Prednisone / Q000627:therapeutic use; D011863:Radioimmunoassay; D011950:Receptors, Cholinergic / Q000276:immunology*; D013945:Thymoma / Q000150:complications* / Q000276:immunology; D013953:Thymus Neoplasms / Q000150:complications* / Q000276:immunology; D014057:Tomography, X-Ray Computed
chemical_list: D000893:Anti-Inflammatory Agents; D001323:Autoantibodies; D007166:Immunosuppressive Agents; D011950:Receptors, Cholinergic; D001379:Azathioprine; D011241:Prednisone