Trucut biopsy from right maxillary sinus suspicious mass.

Microscopic Examination: Sections prepared reveal fibrous stroma containing clusters of giant cells together with hemosiderin & extravasated RBCs. Snips of skin & muscle were detected.

Diagnosis: Giant cell containing reactive lesion consistent with giant cell reparative granuloma. Correlation with clinical, radiological & laboratory data for the possibility of hyperparathyroidism.

Dr Shaimaa Mohamed Ebrahim, Pathology Department, Mansoura Faculty of Medicine.