Myasthenic crisis appearing after resection of intracardiac ectopic thymoma with superior vena cava syndrome
| Autor: | Masato Morita, Yasuji Yoshikawa, Ryotaro Nagashima, Satoshi Takebayashi, Yuichi Nakazono, Shinji Miyamoto |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
medicine.medical_specialty
Thymoma Myasthenic crisis RD1-811 medicine.medical_treatment Case Report Edrophonium Ectopic thymoma Intracardiac injection law.invention 03 medical and health sciences 0302 clinical medicine law hemic and lymphatic diseases medicine Cardiopulmonary bypass Myasthenia gravis Mechanical ventilation Superior vena cava syndrome business.industry medicine.disease Surgery 030220 oncology & carcinogenesis medicine.symptom Complication business 030217 neurology & neurosurgery medicine.drug |
| Zdroj: | Surgical Case Reports, Vol 7, Iss 1, Pp 1-5 (2021) Surgical Case Reports |
| ISSN: | 2198-7793 |
| Popis: | Background We describe herein an extremely rare case of intracardiac ectopic thymoma—only two pure cases have been reported to date—associated with myasthenia gravis, an infrequent complication of ectopic thymoma. Case presentation A 71-year-old woman with superior vena cava syndrome was found to have a large mass mainly located in the right atrium. Tumor resection under cardiopulmonary bypass was performed. The pathological diagnosis was type AB ectopic thymoma. The postoperative course was complicated by progressive respiratory failure, and she was diagnosed with myasthenic crisis based on clinical signs and the edrophonium test. The patient recovered and was weaned from prolonged mechanical ventilation after receiving intravenous immunoglobulin, and was subsequently discharged uneventfully. Conclusions This is the first report of myasthenic crisis due to intracardiac ectopic thymoma. Residual thymoma is a risk factor for the development of post-thymectomy myasthenia gravis, and long-term follow-up is required. |
| Databáze: | OpenAIRE |
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