ABSTRACT A 55‐year‐old male developed POLG‐related ophthalmoplegia in 2015 and was misdiagnosed with seronegative myasthenia gravis for 10 years. Whole‐genome sequencing identified compound heterozygous POLG mutations, highlighting its value in diagnosing refractory neuromuscular disorders.
Lu et al. (Mon,) studied this question.