Fig. 2
From: Treatment of simple bone cysts of the humerus by intramedullary nailing and steroid injection
Radiographs of a 10-year-old boy who presented with pathological fracture of the left humerus. a-b Anteroposterior and lateral radiograph on admission. c-e MRI indicates a low signal on T1-weighted images and a homogeneous high signal on T2 weighting. f-k After the operation of minimally invasive intramedullary decompression and drainage with ESIN combined with intralesional injections of steroids; At the interval points of postoperative 1 weeks, 2 months, 6 months, 9 months, 12 months, 14 months, the lesion is significantly smaller and shows signs of healing gradually. At 14 months, Radiograph show complete cyst healing (Capanna grade 1 healing). l-o At 16 months, the bone cyst has resolved, and then the intramedullary nails are removed. n-o Radiographs show complete cyst healing (Capanna grade 1 healing) after second surgery