What question did this study set out to answer?

To discuss the rare association of thymoma type B2 with myasthenia gravis and its impact on respiratory function.

June 14, 2026CureusOpen Access

Thymoma Type B2 Associated with Myasthenia Gravis Presenting as Progressive Respiratory Distress: A Case Report

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Case report illustrates diagnostic challenges in thymoma with myasthenia gravis leading to respiratory distress, highlighting clinical implications.

To discuss the rare association of thymoma type B2 with myasthenia gravis and its impact on respiratory function.
Case report of a 54-year-old woman with myasthenia gravis and respiratory distress.
Diagnostic imaging with contrast-enhanced computed tomography revealed a necrotic anterior mediastinal lesion.
Surgical excision of the thymoma was performed, followed by histopathological examination.
Histopathology confirmed WHO type B2 thymoma with invasion, consistent with Masaoka-Koga stage II.
Patient experienced early postoperative neurological improvement and showed no persistent neuromuscular transmission abnormality on electromyography.
Clinical symptoms of myasthenia gravis improved after surgical intervention.

Iskandar et al. (2026) studied this question.

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Case report illustrates diagnostic challenges in thymoma with myasthenia gravis leading to respiratory distress, highlighting clinical implications.