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        • Associated lymphoma and abdominal aortic aneurysm demonstrated by computed tomography
          Journal of Computed TomographyVol. 4Issue 3
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            In a review of 260 cases of lymphoma, there were 6 patients with an aneurysm of the abdominal aorta. In four cases there was surrounding abdominal lymphadenopathy. The diagnosis was established by computed tomography (CT) because calcification in the aortic wall was visible on the scans in all 6 cases. This calcification was not sufficiently clear to permit identification of the aneurysm on plain films in three of the cases. In two cases without abdominal lymphadenopathy, contrast-filled nodes delineated the outer margin of the wall of the aorta.
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        • The value of CT in malignant colonic tumors
          Journal of Computed TomographyVol. 4Issue 3
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            Fifty-five patients with malignant colonic tumors were reviewed, and the CT findings were analyzed, as well as two cases of carcinoid tumors of the terminal ileum. There is increased incidence of recurrence in patients under 60 years of age and 22% of local recurrences occurred 5 years or later after “curative” surgery. A local recurrence alone was found in 44% of patients, distant metastases alone in 10%, and concomitant local recurrence and distant spread in 46%. Three-quarters of the locally recurrent masses were infiltrative and one-quarter were non-infiltrative.
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        • Tumor calcification after radiotherapy demonstrated by computed tomography
          Journal of Computed TomographyVol. 4Issue 3
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            Tumor ossification or calcification occurring after radiotherapy was shown by computed tomography (CT) in three cases. In both the case within the aodomen and that within the pelvis these changes were also apparent on plain films, but in the third case, involving the nasopharynx, no evidence of calcification was seen without CT. In the two cases of carcinoma, ossification or calcification indicated resolution, but in the case of lymphoma these changes were accompanied by rapid recurrence in adjacent tissue.
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