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J Thorac Cardiovasc Surg 2006;131:494-495
© 2006 The American Association for Thoracic Surgery
Brief Communication |
Department of Thoracic and Vascular Surgery and Heart-Lung Transplantation, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.
Received for publication September 4, 2005; accepted for publication September 28, 2005. * Address for reprints: Elie Fadel, MD, Laboratoire de Chirurgie Expérimentale, Hôpital Marie-Lannelongue, 133 avenue de la Résistance, 92350 Le Plessis-Robinson, France (Email: efadel@free.fr).
| The first 20% of the full text of this article appears below. |
Myasthenia gravis (MG) results in weakness and fatigability of skeletal muscles caused by an autoimmune-antibody reaction against acetylcholine receptors at the neuromuscular junction. Treatment includes anticholinesterase agents, thymectomy, and immunosuppression. Surgical thymectomy can induce remission or improvement, allowing for reduction in immunosuppressive treatment.
1
Although myocardial dysfunction is usually minimal in MG, thymoma can be associated with severe myocardial failure.
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We report a rare case of fatal giant cell myocarditis (GCM) after a thymoma resection in MG.
Clinical Summary
A 43-year-old man with no previous medical history was given a diagnosis of MG. Thoracic computed tomographic scanning revealed an anterior mediastinal tumor without superior vena caval invasion on venography. Complete resection was performed through a median sternotomy with resection of the anterior pericardium, sparing both phrenic nerves. Histologic analysis revealed an encapsulated thymoma extending in mediastinal fat. The patient was discharged on day 5 after an uneventful recovery. One week later, after a short episode of fever and diarrhea,
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