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Mononeuropathy in Diabetes
Aka: Mononeuropathy in Diabetes, Diabetic Mononeuropathy, Diabetic Focal Neuropathy
- Background
- Subtype of Diabetic Neuropathy
- Sudden onset large nerve involvement
- Associated with nerve infarction
- Distribution: Common areas effected
- Wrist Drop (Radial Nerve)
- Loss of finger flexion and grip (Median Nerve)
- Foot Drop (deep peroneal nerve, L4-L5)
- Recurrent laryngeal nerve
- Cranial Nerve palsy (CN 3, CN 4, CN 6)
- Ophthalmoplegia, Ptosis, Diplopia yet PERRLA (CN 3)
- Affected eye slightly more elevated (CN 4)
- Affected eye deviated medially (CN 6)
- Bell's Palsy (CN 7)
- Course
- Often resolves spontaneously in 3-12 months
- Associated Conditions: Mononeuropathy Multiplex (variant)
- Multiple nerves affected
- Consider Vasculitis as cause
- Differential Diagnosis
- See Mononeuropathy
- Management
- See Diabetic Peripheral Neuropathy