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Medical records and radiologic studies of 238 patients with non-small cell lung cancer who had preoperative evaluation by chest radiography and CT were reviewed. Thirty-six patients were staged as T1N0M0 by chest radiograph. Of this group, 18 (50%) had abnormalities on CT requiring additional evaluation. Confirmation of abnormalities was by tissue sampling or clinical follow-up. Evidence for unresectable spread of disease was obtained in 12 (33%). We conclude that routine preoperative staging of T1N0M0 lung cancer with CT has a positive impact on patient management.

The radiographic demonstration of lymph node involvement in amyloidosis is rare. We report a case of calcified, enlarged perioartic and mediastinal lymph nodes detected by CT.

Increased hepatic density on CT has been described in several clinical entities. We present a case of arsenic poisoning demonstrating both increased hepatic and splenic attenuation.

A case of wandering spleen with torsion of the splenic vascular pedicle and pancreatic tail is presented. The entity was diagnosed and evaluated preoperatively with various imaging modalities (ultrasound, nuclear medicine, and CT) as well as visceral angiography.

Fulminant necrotizing arteritis can be a rapidly fatal disease with protean manifestations often suggesting other diagnoses. We present two cases with angiographic and CT correlation and discuss CT findings that are suggestive of the diagnosis.

Computed tomography was used to evaluate three patients with complicated pulmonary vascular patterns. The physiologic and anatomic changes seen on chest radiography were well defined by CT and in each case CT suggested the correct diagnosis.