A 33-year-old man presented with a slowly progressive swelling in the middle 1/3' of his right tibia. X-rays examination revealed multiple sharply demarcated radiolucent lesions separated by areas of dense and sclerotic bone. Microscopic examination of a biopsy specimen revealed island of epithelial cells in a fibrous stroma. Which of the following is the most probable diagnosis?
Adamantinoma
Osteofibrous dysplasia
Osteosarcoma
Fibrous cortical defect
The characteristic radiological and microscopic features, together with other clinical features suggests the diagnosis of Adamantinoma.
X-ray features ofAdamantinoma
Multiple sharply demarcated radioluscent lesions in the diaphysis of tibia. There radioluscent lesions are separated by areas of dense sclerotic bone.
Microscopic feature — Islands of epithelial cells are present in fibrous stroma.