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Myasthenia gravis and prostatic neoplasia: a rare association
  1. Mafalda Sá Pereira,
  2. Maria Conceição Escarigo,
  3. Pedro Correia Azevedo and
  4. Francisca Delerue
  1. Internal Medicine Department, Hospital Garcia de Orta, Almada, Portugal
  1. Correspondence to Dr Francisca Delerue; mafalda.pereira{at}


An 88-year-old male patient presented with left ptosis, diplopia, muscle weakness of the lower limbs, dysphagia for solids, dysphonia and constipation. On investigation, he was found to have myasthenia gravis (MG). Further evaluation for the possible cause of MG, with CT scan, revealed that the patient had concomitant prostatic cancer. The patient was given steroids and pyridostigmine, with consequent resolution of his neurological symptoms. This is a rare case of MG associated with prostatic cancer.

  • neuromuscular disease
  • prostate cancer
  • neurology

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  • Contributors All authors contributed to the case. MSP: Contributed to patient management, planning, conduct, reporting, conception and design, acquisition of data and manuscript writing. MCE: Contributed to patient management and manuscript review. PCA: Contributed to patient management, planning and manuscript review. FD: Contributed to manuscript review.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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