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Schwannomas, also referred as neurilemmomas, are benign, encapsulated perineural tumour of neuroectdermal derivative that originate from the schwan cells of the neural sheath of motor and sensory peripheral nerves. About 25% of schwannomas occur in the head and neck region, 1 usually involving cranial nerves and sympathetic chain; however, brachial plexus schwannomas are uncommon, occurring in 0.3-0.4/100 000 person per year. 2-4 Their malignant potential is low, they can be locally destructive if allowed to progress. Primary tumours of the brachial plexus are unusual. Patients commonly seek medical attention because of pain and loss of function of the affected part of the body. We report a case of schwannoma arising from left brachial plexus and presented as monoparesis of left upper limb.
A young 16-year-old girl presented to our hospital with sharp shooting pain on medial aspect left upper limb radiating up to medial aspect of hand since 10 months. Over the last 2 months, she noticed progressive weakness in left hand along with the inability to perform fine tasks (difficulty in gripping objects, breaking morsels). There was...