Paranasal sinus osteoma
Loading Stack -
0 images remaining
Mixed density bone lesion in the left frontal sinus.
The osteomas are benign bone tumours often settle in the sinuses being the most frequent, in order decreasing: the frontal sinus, ethmoidal cells and maxillary sinuses rarely and sphenoidal. They are slow-growing tumours, no tendency to become malignant and unknown etiology.
Most of these lesion do not cause symptoms and are detected incidentally on imaging studies.