Assessment of lower extremity mononeuropathy

Images and videos

Rheumatoid arthritis (chronic hand deformities)

From the collection of Dr Soumya Chatterjee

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Dermatome map

Adapted by BMJ from an image by Ralf Stephan

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Severe herpes zoster in an immunocompromised patient involving dermatomes T1 and T2

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A purpuric rash

From the collection of Loic Guillevin, MD, Hopital Cochin, Paris, France

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Patient undergoing electromyography

Reproduced with permission from Science Photo Library

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