Brown tumor

Case contributed by Rania Adel Anan
Diagnosis almost certain

Presentation

Left maxillary swelling.

Patient Data

Age: 35 years
Gender: Male
ct
  • diffuse bone sclerosis involving the skull bones, mandible and scanned cervical vertebrae with widespread minute lytic lesions seen scattered within giving the skull the characteristic salt and pepper appearance

  • an expansile multilocular osteolytic lesion is seen at the left side of the superior alveolar margin. No associated cortical destruction, periosteal reaction or extra-osseous soft tissue component

  • mild mucosal thickening of the left maxillary sinus obliterating the left osteomeatal unit

  • mild mucosal thickening of the frontal sinus as well as the anterior ethmoid air cells

  • bilateral middle concha bullosa

  • mild rightward deviation of the nasal septum

Case Discussion

The patient had a history of chronic renal failure and on dialysis. He presented with left maxillary swelling.

CT findings are in keeping with renal osteodystrophy with left maxillary brown tumor.

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