60 year old lady came for evaluation of a midline neck swelling. Clinical examination revealed a possible thyroid mass arising from isthmus Fine needle aspiration of the mass revealed suspicious nuclear grooving and hence she was advised surgical removal of thyroid. She also complained of a swelling over her left cheek since the last ten years. The swelling was insidious in onset, non tender, slow growing. On palpation the lesion was deep to skin and muscle and was hard, fixed to bone. A CT head and neck was advised as a screening prior to surgery and to further evaluate the bony lesion.
Non enhanced CT head
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There is a uniformly dense, lobulated osseous lesion arising from the angle of the left mandible.
CT plain study revealed a well defined lobulated homogeneously dense sclerotic bony lesion arising from the outer table of ramus of left mandible. The lesion shows a narrow zone of transition, no periosteal reaction and no soft tissue component.
- Waldron, Charles A., and Joseph S. Giansanti. "Benign fibro-osseous lesions of the jaws: a clinical-radiologic-histologic review of sixty-five cases: Part I. Fibrous dysplasia of the jaws." Oral Surgery, Oral Medicine, Oral Pathology 35, no. 2 (1973): 190-201. Pubmed citation