Abstract
A 28-year-old male was diagnosed with acute pericarditis after presenting with acute chest pain, fever and an abnormality in an electrocardiogram. No symptoms suggestive of myasthenia gravis were observed. Although the symptoms were alleviated by antibiotics, computed tomography (CT) showed an anterior mediastinal mass with bilateral pleural effusion. He was, therefore, diagnosed with thymoma and referred to our hospital. Surgery was performed, since the pleural effusion disappeared. The pathological examination revealed the mass to be a type B2 thymoma classified as pathological stage I (Masaoka's classification) with a multilocular thymic cyst.
MeSH terms
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Acute Disease
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Adult
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Anti-Bacterial Agents / therapeutic use
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Ceftriaxone / therapeutic use
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Humans
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Magnetic Resonance Imaging
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Male
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Mediastinal Cyst / complications*
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Mediastinal Cyst / diagnosis
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Mediastinal Cyst / pathology
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Mediastinal Cyst / surgery*
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Mediastinal Neoplasms / complications*
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Mediastinal Neoplasms / diagnostic imaging
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Mediastinal Neoplasms / pathology
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Mediastinal Neoplasms / surgery*
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Pericarditis / complications
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Pericarditis / diagnosis
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Pericarditis / drug therapy
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Pleural Effusion / diagnostic imaging
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Thymectomy
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Thymoma / complications*
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Thymoma / diagnostic imaging
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Thymoma / pathology
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Thymoma / surgery*
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Tomography, X-Ray Computed
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Treatment Outcome
Substances
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Anti-Bacterial Agents
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Ceftriaxone