Prevalence of Solid Tumors in Incidentally Detected Homogeneous Renal Masses Measuring > 20 HU on Portal Venous Phase CT
The purpose of this study was to determine the prevalence of solid tumors in incidental homogeneous renal masses with attenuation greater than 20 HU on portal venous phase CT images. In this retrospective study, the records of patients with incidental indeterminate (> 20 HU) homogeneous renal mas...
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| Veröffentlicht in: | American journal of roentgenology (1976) 2018-09, Vol.211 (3), p.W173-W177 |
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| container_title | American journal of roentgenology (1976) |
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| creator | Corwin, Michael T Hansra, Shan S Loehfelm, Thomas W Lamba, Ramit Fananapazir, Ghaneh |
| description | The purpose of this study was to determine the prevalence of solid tumors in incidental homogeneous renal masses with attenuation greater than 20 HU on portal venous phase CT images.
In this retrospective study, the records of patients with incidental indeterminate (> 20 HU) homogeneous renal masses on portal venous phase CT scans from September 11, 2007, through March 18, 2017, were identified. Adult patients were included if they had undergone follow-up ultrasound, contrast-enhanced MRI, multiphase contrast-enhanced CT, or pathologic analysis alone to confirm the solid or cystic nature of the lesion. A single ROI was placed in the center of the mass, and lesions were characterized as ≥ 50% exophytic, < 50% exophytic, or entirely surrounded by renal parenchyma.
There were 322 masses in 267 patients. The mean lesion size was 16.6 (SD, 9.8) mm (range, 9-45 mm). Lesions were ≥ 50% exophytic in 92 cases, < 50% exophytic in 111 cases, and completely surrounded by renal parenchyma in 119 cases. All nonsolid lesions were characterized as benign cysts. The numbers of solid lesions per total number of lesions in each attenuation group were: 20-30 HU (0/140), 30-40 HU (0/67), 40-50 HU (1/38), 50-60 HU (3/24), 60-70 HU (5/17), 70-80 HU (5/17), and > 80 HU (8/19). All 207 lesions in the 20- to 40-HU range were benign cysts with no solid lesions (0%; 95% CI, 0.0-1.4%).
Small homogeneous renal masses measuring 20-40 HU on portal venous phase CT images are highly likely to be benign cysts. |
| doi_str_mv | 10.2214/AJR.17.19351 |
| format | Article |
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In this retrospective study, the records of patients with incidental indeterminate (> 20 HU) homogeneous renal masses on portal venous phase CT scans from September 11, 2007, through March 18, 2017, were identified. Adult patients were included if they had undergone follow-up ultrasound, contrast-enhanced MRI, multiphase contrast-enhanced CT, or pathologic analysis alone to confirm the solid or cystic nature of the lesion. A single ROI was placed in the center of the mass, and lesions were characterized as ≥ 50% exophytic, < 50% exophytic, or entirely surrounded by renal parenchyma.
There were 322 masses in 267 patients. The mean lesion size was 16.6 (SD, 9.8) mm (range, 9-45 mm). Lesions were ≥ 50% exophytic in 92 cases, < 50% exophytic in 111 cases, and completely surrounded by renal parenchyma in 119 cases. All nonsolid lesions were characterized as benign cysts. The numbers of solid lesions per total number of lesions in each attenuation group were: 20-30 HU (0/140), 30-40 HU (0/67), 40-50 HU (1/38), 50-60 HU (3/24), 60-70 HU (5/17), 70-80 HU (5/17), and > 80 HU (8/19). All 207 lesions in the 20- to 40-HU range were benign cysts with no solid lesions (0%; 95% CI, 0.0-1.4%).
Small homogeneous renal masses measuring 20-40 HU on portal venous phase CT images are highly likely to be benign cysts.</description><identifier>ISSN: 0361-803X</identifier><identifier>EISSN: 1546-3141</identifier><identifier>DOI: 10.2214/AJR.17.19351</identifier><identifier>PMID: 29995501</identifier><language>eng</language><publisher>United States</publisher><subject>Aged, 80 and over ; Contrast Media ; Female ; Humans ; Incidental Findings ; Kidney Neoplasms - diagnostic imaging ; Kidney Neoplasms - epidemiology ; Kidney Neoplasms - pathology ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Prevalence ; Radiographic Image Interpretation, Computer-Assisted ; Retrospective Studies ; Tomography, X-Ray Computed - methods</subject><ispartof>American journal of roentgenology (1976), 2018-09, Vol.211 (3), p.W173-W177</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c206t-e747d50e16fc0be4dfd6453ba07f0b545da0d41aaebae354dab2977124adfc863</citedby><cites>FETCH-LOGICAL-c206t-e747d50e16fc0be4dfd6453ba07f0b545da0d41aaebae354dab2977124adfc863</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4120,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29995501$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Corwin, Michael T</creatorcontrib><creatorcontrib>Hansra, Shan S</creatorcontrib><creatorcontrib>Loehfelm, Thomas W</creatorcontrib><creatorcontrib>Lamba, Ramit</creatorcontrib><creatorcontrib>Fananapazir, Ghaneh</creatorcontrib><title>Prevalence of Solid Tumors in Incidentally Detected Homogeneous Renal Masses Measuring > 20 HU on Portal Venous Phase CT</title><title>American journal of roentgenology (1976)</title><addtitle>AJR Am J Roentgenol</addtitle><description>The purpose of this study was to determine the prevalence of solid tumors in incidental homogeneous renal masses with attenuation greater than 20 HU on portal venous phase CT images.
In this retrospective study, the records of patients with incidental indeterminate (> 20 HU) homogeneous renal masses on portal venous phase CT scans from September 11, 2007, through March 18, 2017, were identified. Adult patients were included if they had undergone follow-up ultrasound, contrast-enhanced MRI, multiphase contrast-enhanced CT, or pathologic analysis alone to confirm the solid or cystic nature of the lesion. A single ROI was placed in the center of the mass, and lesions were characterized as ≥ 50% exophytic, < 50% exophytic, or entirely surrounded by renal parenchyma.
There were 322 masses in 267 patients. The mean lesion size was 16.6 (SD, 9.8) mm (range, 9-45 mm). Lesions were ≥ 50% exophytic in 92 cases, < 50% exophytic in 111 cases, and completely surrounded by renal parenchyma in 119 cases. All nonsolid lesions were characterized as benign cysts. The numbers of solid lesions per total number of lesions in each attenuation group were: 20-30 HU (0/140), 30-40 HU (0/67), 40-50 HU (1/38), 50-60 HU (3/24), 60-70 HU (5/17), 70-80 HU (5/17), and > 80 HU (8/19). All 207 lesions in the 20- to 40-HU range were benign cysts with no solid lesions (0%; 95% CI, 0.0-1.4%).
Small homogeneous renal masses measuring 20-40 HU on portal venous phase CT images are highly likely to be benign cysts.</description><subject>Aged, 80 and over</subject><subject>Contrast Media</subject><subject>Female</subject><subject>Humans</subject><subject>Incidental Findings</subject><subject>Kidney Neoplasms - diagnostic imaging</subject><subject>Kidney Neoplasms - epidemiology</subject><subject>Kidney Neoplasms - pathology</subject><subject>Magnetic Resonance Imaging</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Prevalence</subject><subject>Radiographic Image Interpretation, Computer-Assisted</subject><subject>Retrospective Studies</subject><subject>Tomography, X-Ray Computed - methods</subject><issn>0361-803X</issn><issn>1546-3141</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kLtOxDAQRS0EguXRUaMpKcjiSex40yCh5bEgECtYEF3kxBMISuzFThD8PeFZTXPm3qvD2C7ycRyjODy-vB2jGmOWSFxhI5QijRIUuMpGPEkxmvDkcYNthvDCOVeTTK2zjTjLMik5jtj73NObbsiWBK6CO9fUBhZ963yA2sKFLWtDttNN8wEn1FHZkYGZa90TWXJ9gFuyuoFrHQIFuCYdel_bJziCmMPsHpyFufPDPzyQ_eLnzzoQTBfbbK3STaCd37vF7s9OF9NZdHVzfjE9vorKmKddREooIzlhWpW8IGEqkwqZFJqrihdSSKO5Eag1FZoSKYwu4kwpjIU2VTlJky22_5O79O61p9DlbR1Kahr9vT8fWiYZohBqQA9-0NK7EDxV-dLXrfYfOfL8y3U-uM5R5d-uB3zvN7kvWjL_8J_c5BOBRnoQ</recordid><startdate>201809</startdate><enddate>201809</enddate><creator>Corwin, Michael T</creator><creator>Hansra, Shan S</creator><creator>Loehfelm, Thomas W</creator><creator>Lamba, Ramit</creator><creator>Fananapazir, Ghaneh</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201809</creationdate><title>Prevalence of Solid Tumors in Incidentally Detected Homogeneous Renal Masses Measuring > 20 HU on Portal Venous Phase CT</title><author>Corwin, Michael T ; Hansra, Shan S ; Loehfelm, Thomas W ; Lamba, Ramit ; Fananapazir, Ghaneh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c206t-e747d50e16fc0be4dfd6453ba07f0b545da0d41aaebae354dab2977124adfc863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Aged, 80 and over</topic><topic>Contrast Media</topic><topic>Female</topic><topic>Humans</topic><topic>Incidental Findings</topic><topic>Kidney Neoplasms - diagnostic imaging</topic><topic>Kidney Neoplasms - epidemiology</topic><topic>Kidney Neoplasms - pathology</topic><topic>Magnetic Resonance Imaging</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Prevalence</topic><topic>Radiographic Image Interpretation, Computer-Assisted</topic><topic>Retrospective Studies</topic><topic>Tomography, X-Ray Computed - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Corwin, Michael T</creatorcontrib><creatorcontrib>Hansra, Shan S</creatorcontrib><creatorcontrib>Loehfelm, Thomas W</creatorcontrib><creatorcontrib>Lamba, Ramit</creatorcontrib><creatorcontrib>Fananapazir, Ghaneh</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of roentgenology (1976)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Corwin, Michael T</au><au>Hansra, Shan S</au><au>Loehfelm, Thomas W</au><au>Lamba, Ramit</au><au>Fananapazir, Ghaneh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prevalence of Solid Tumors in Incidentally Detected Homogeneous Renal Masses Measuring > 20 HU on Portal Venous Phase CT</atitle><jtitle>American journal of roentgenology (1976)</jtitle><addtitle>AJR Am J Roentgenol</addtitle><date>2018-09</date><risdate>2018</risdate><volume>211</volume><issue>3</issue><spage>W173</spage><epage>W177</epage><pages>W173-W177</pages><issn>0361-803X</issn><eissn>1546-3141</eissn><abstract>The purpose of this study was to determine the prevalence of solid tumors in incidental homogeneous renal masses with attenuation greater than 20 HU on portal venous phase CT images.
In this retrospective study, the records of patients with incidental indeterminate (> 20 HU) homogeneous renal masses on portal venous phase CT scans from September 11, 2007, through March 18, 2017, were identified. Adult patients were included if they had undergone follow-up ultrasound, contrast-enhanced MRI, multiphase contrast-enhanced CT, or pathologic analysis alone to confirm the solid or cystic nature of the lesion. A single ROI was placed in the center of the mass, and lesions were characterized as ≥ 50% exophytic, < 50% exophytic, or entirely surrounded by renal parenchyma.
There were 322 masses in 267 patients. The mean lesion size was 16.6 (SD, 9.8) mm (range, 9-45 mm). Lesions were ≥ 50% exophytic in 92 cases, < 50% exophytic in 111 cases, and completely surrounded by renal parenchyma in 119 cases. All nonsolid lesions were characterized as benign cysts. The numbers of solid lesions per total number of lesions in each attenuation group were: 20-30 HU (0/140), 30-40 HU (0/67), 40-50 HU (1/38), 50-60 HU (3/24), 60-70 HU (5/17), 70-80 HU (5/17), and > 80 HU (8/19). All 207 lesions in the 20- to 40-HU range were benign cysts with no solid lesions (0%; 95% CI, 0.0-1.4%).
Small homogeneous renal masses measuring 20-40 HU on portal venous phase CT images are highly likely to be benign cysts.</abstract><cop>United States</cop><pmid>29995501</pmid><doi>10.2214/AJR.17.19351</doi></addata></record> |
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| source | American Roentgen Ray Society; MEDLINE; Alma/SFX Local Collection |
| subjects | Aged, 80 and over Contrast Media Female Humans Incidental Findings Kidney Neoplasms - diagnostic imaging Kidney Neoplasms - epidemiology Kidney Neoplasms - pathology Magnetic Resonance Imaging Male Middle Aged Prevalence Radiographic Image Interpretation, Computer-Assisted Retrospective Studies Tomography, X-Ray Computed - methods |
| title | Prevalence of Solid Tumors in Incidentally Detected Homogeneous Renal Masses Measuring > 20 HU on Portal Venous Phase CT |
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