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On electron microscopy, nemaline bodies within the affected muscle fibers may be found. These bodies are sometimes crisply rod-shaped, but can also be irregular and punctate. The rods may be found alongside atrophic muscle fibers, and may be seen arising from the thickened Z-discs of the sarcolemmae. Affected fibers may be vacuolated or ...
Foot drop in one or both feet can occur. [14] Part of the cause for this dysfunction is the early involvement of the quadriceps muscles. [1] Weakness of the tibialis anterior muscle is responsible for foot drop. Another common early symptom is trouble manipulating the fingers, such as difficulty with tasks such as turning doorknobs or gripping ...
Physical symptoms of TM may include muscle weakness, the breakdown of muscle tissue, fatigue, and heat intolerance. [2] Physical acts such as lifting objects and climbing stairs may become increasingly difficult. [3] If untreated, TM can be an extremely debilitating disorder that can, in extreme rare cases, lead to death.
The damage to nerves supplying specific muscles may cause muscle twitching (fasciculations) in addition to the weakness. It is sometimes associated with weight loss. [2] Diabetes most commonly causes damage to the long nerves that supply the feet and lower legs, causing numbness, tingling and pain (diabetic polyneuropathy). Although these ...
The intensity of the symptoms may progress over the course of hours, days or weeks, culminating in a symmetric paralysis of the arms and legs, which can range from mild to more severe — and in ...
The weakness is usually symmetrical; [5] the limb muscles closer to the trunk (proximal) are predominantly affected, and weakness tends to start in the legs and spread to the arms. Muscles of the mouth and throat, eyes, and breathing are usually not affected, but occasionally weakness of the respiratory muscles can cause life-threatening ...
Nemaline myopathy (also called rod myopathy or nemaline rod myopathy) is a congenital, often hereditary neuromuscular disorder with many symptoms that can occur such as muscle weakness, hypoventilation, swallowing dysfunction, and impaired speech ability. The severity of these symptoms varies and can change throughout one's life to some extent.
It can often be treated by drugs like corticosteroids or immunosuppressants. (M33.2) Polymyositis produces muscle weakness. It can often be treated by drugs like corticosteroids or immunosuppressants. Inclusion body myositis is a slowly progressive disease that produces weakness of hand grip and straightening of the knees. No effective ...