title: A calcified adenocarcinoma of the lung with very high CT numbers.
abstract: A case is reported of a man with a solitary pulmonary nodule that had an average CT number of 366 HU. Biopsy of the lesion demonstrated a primary adenocarcinoma of the lung with diffuse calcification. It is concluded that high CT numbers of solitary nodules do not ensure a benign lesion.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging* / Q000473:pathology; D000328:Adult; D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D014057:Tomography, X-Ray Computed