Diagnostic value of CT scan in kidney lymphoma / 中华泌尿外科杂志

ABSTRACT

Objective To discuss the diagnostic value of CT scan in kidney lymphoma. Methods Review the CT findings of 14 cases with kidney lymphoma proved by pathology.Eight cases were male and the other 6 cases were female,the average age was 52-year-old.Nine cases showed abdominal discomfort,2 cases showed abdominal pain,3 cases showed diarrhea,2 cases were accompanied with hematuria and 2 cases were with fever.Using Somatom Plus4 spiral CT and 4-slice Presto multi-slice spiral CT,plain scan and enhanced scan were carried out in 12 cases,arterial phase scan plus parenchymal phase scan were carried out in 2 cases.The direct and indirect signs were analyzed.Results The CT performance of 14 cases.Direct sign Single node was in 1 case,which manifested uniform density on plain scanning and uniformly on contrast,the border was clear.Multiple nodes were in 6 cases,which presented clear border and lightly enhanced.the kidney's shape had no significantly outer convex.Diffusely invading tumor were in 7 cases,which had the finding of enlarged kidney,lightly enhanced lesions and ambiguous border.Indirect signthe lymphoma nodes beside abdominal aortor and renal hilus enlaged were in 13 cases,in which the lymphoma nodes enlarged like array were in 4 cases,the lymphoma nodes swelled and fused,enveloped vessels,showed"abdominal aortic submerged sign"were in 3 cases.The lymphoma nodes swelled with uniform and lightly enahanted density were in 13 cases,in which the lymphoma nodes had clear border were in 9 cases.accompanied with sacral vertebra,sacral lymphoma was in 1 case,with perinephrium invasion were in 2 cases.The right kidney Surgically resected was 1 case,biopsy confirmed were 13 cases,pathology reports were all B-cell non-Hodgkin lymphoma. Conclusion For diagnosis of kidney lymphoma,the indirect typical signs have great importance besides direct important signs