TY - JOUR
T1 - Small (≤3-cm) renal masses
T2 - Detection with CT versus US and pathologic correlation
AU - Jamis-Dow, Carlos A.
AU - Choyke, Peter L.
AU - Jennings, Scott B.
AU - Linehan, W. Marston
AU - Thakore, Kailash N.
AU - Walther, McClellan M.
PY - 1996/3
Y1 - 1996/3
N2 - PURPOSE: To determine the sensitivities of computed tomography (CT) and ultrasound (US) for detection and characterization of surgically verified small renal lesions. MATERIALS AND METHODS: Twenty-one patients with von Hippel-Lindau disease or hereditary papillary renal cancer underwent CT and US before partial nephrectomy or enucleation; 205 renal masses were removed (92% were <3 cm). Detection rates and accuracy of CT and US in the characterization of renal morphology were correlated with lesion size. RESULTS: CT and US detection rates for lesions of 0-5 mm were respectively 47% and 0%; 5-10 mm, 60% and 21%; 10-15 mm, 75% and 28%; 15-20 mm, 100% and 58%; 20-25 mm, 100% and 79%; and 25-30 mm, 100% and 100%. Among the lesions 10-35 mm, 80% and 82% were correctly characterized with CT and US, respectively. CONCLUSION: A substantial proportion of lesions under 1 cm were not detected with either modality. Neither CT nor US was superior in the characterization of lesions 3 cm or less. CT and particularly US screening studies in patients with von Hippel-Lindau disease should be interpreted cautiously because missed or mischaracterized small renal lesions are a frequent problem in these patients.
AB - PURPOSE: To determine the sensitivities of computed tomography (CT) and ultrasound (US) for detection and characterization of surgically verified small renal lesions. MATERIALS AND METHODS: Twenty-one patients with von Hippel-Lindau disease or hereditary papillary renal cancer underwent CT and US before partial nephrectomy or enucleation; 205 renal masses were removed (92% were <3 cm). Detection rates and accuracy of CT and US in the characterization of renal morphology were correlated with lesion size. RESULTS: CT and US detection rates for lesions of 0-5 mm were respectively 47% and 0%; 5-10 mm, 60% and 21%; 10-15 mm, 75% and 28%; 15-20 mm, 100% and 58%; 20-25 mm, 100% and 79%; and 25-30 mm, 100% and 100%. Among the lesions 10-35 mm, 80% and 82% were correctly characterized with CT and US, respectively. CONCLUSION: A substantial proportion of lesions under 1 cm were not detected with either modality. Neither CT nor US was superior in the characterization of lesions 3 cm or less. CT and particularly US screening studies in patients with von Hippel-Lindau disease should be interpreted cautiously because missed or mischaracterized small renal lesions are a frequent problem in these patients.
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U2 - 10.1148/radiology.198.3.8628872
DO - 10.1148/radiology.198.3.8628872
M3 - Article
C2 - 8628872
AN - SCOPUS:0029671182
VL - 198
SP - 785
EP - 788
JO - Radiology
JF - Radiology
SN - 0033-8419
IS - 3
ER -