Boy 17yo with pain at anterior brachial both 2 sides. Clinical palpation revealed many small subcutaneous nodules, size as a pepper nut, painful at palpation ; and swelling neck (see chest XRays).
Ultrasound scanning of the antebrachial areas detected many small ellypsoid nodules along the arterial way looked like the nerve ( US 1, US 2: longitudinal scan and cross-section).
US 3, US 4 scan at the carotid detected hypoechoic mass along the carotid sites which belong to vagus nerves 2 sites.
US 5, US 6 scan at left carotid= big size vagus nerve, hypoechoic #1.5 cm in diameter at cross section.
MRI of the neck and thorax= MRI 1, MRI 2: hypertrophic nodular vagus nervi go to mediastinum.
MRI 3: lateral view of the neck; MRI 4 = cross section of vagus nerve at the neck in relation with carotid artery.
MRI 5: hypertrophic intercostal nerve at thorax.
Biopsy of the subcutaneous nodule at forearm reported neurofibroma in microscopic result.
