The most frequent initial manifestation of polymyositis is:

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Muscle weakness in hips and thighs is the most common initial manifestation of polymyositis, affecting approximately 80% of patients. This can result in difficulty getting up from a chair, climbing stairs, or lifting objects. Drooping eyelids (A) and double vision (B) are more commonly associated with myasthenia gravis, another autoimmune disorder that affects muscle strength. While weakened leg and pelvic muscles (C) may be a symptom of polymyositis, it is not the most common initial manifestation.

The Most Frequent Initial Manifestation of Polymyositis Is