The incidence of hepatic pseudolesions caused by focal rib compression as seen on multidetector row CT in patients of different hepatic function

Akihiro Nishie, Kengo Yoshimitsu, Hiroyuki Irie, Hitoshi Aibe, Tsuyoshi Tajima, Yoshiki Asayama, Kunishige Matake, Kousei Ishigami, Tomohiro Nakayama, Daisuke Kakihara, Hiroshi Honda

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Abstract

Objective: To determine whether the incidence of pseudolesions of the liver caused by rib compression is correlated with liver function. Materials and methods: Multidetector row CT images of 150 consecutive cases were evaluated for the presence of pseudolesions caused by rib compression. Liver function was categorized into two groups mainly using the Child-Pugh classification: Group I - normal liver function and Grade A; Group II - Grades B and C. The number of focal deformities of the liver caused by rib compression was also counted. The incidence of pseudolesions based on number of patients or focal deformities of liver parenchyma by rib compression were compared between the two groups. Results: There were 108 and 42 patients in Groups I and II, respectively. 169 and 41 focal deformities of the liver caused by rib compression were found in Groups I and II, respectively. Patient-based and deformity-based incidences of pseudolesions were 10.7% (16/150) and 7.6% (16/210), respectively. All pseudolesions were seen in patients of Group I. Both patient-based and deformity-based incidences of pseudolesions were significantly higher in Group I as compared with those in Group II. Conclusion: Pseudolesions of the liver caused by focal rib compression may be seen more frequently in patients with preserved liver function than in those with impaired function.

Original languageEnglish
Pages (from-to)108-114
Number of pages7
JournalEuropean Journal of Radiology
Volume57
Issue number1
DOIs
Publication statusPublished - Jan 1 2006

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Ribs
Liver
Incidence

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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The incidence of hepatic pseudolesions caused by focal rib compression as seen on multidetector row CT in patients of different hepatic function. / Nishie, Akihiro; Yoshimitsu, Kengo; Irie, Hiroyuki; Aibe, Hitoshi; Tajima, Tsuyoshi; Asayama, Yoshiki; Matake, Kunishige; Ishigami, Kousei; Nakayama, Tomohiro; Kakihara, Daisuke; Honda, Hiroshi.

In: European Journal of Radiology, Vol. 57, No. 1, 01.01.2006, p. 108-114.

Research output: Contribution to journalArticle

Nishie, Akihiro ; Yoshimitsu, Kengo ; Irie, Hiroyuki ; Aibe, Hitoshi ; Tajima, Tsuyoshi ; Asayama, Yoshiki ; Matake, Kunishige ; Ishigami, Kousei ; Nakayama, Tomohiro ; Kakihara, Daisuke ; Honda, Hiroshi. / The incidence of hepatic pseudolesions caused by focal rib compression as seen on multidetector row CT in patients of different hepatic function. In: European Journal of Radiology. 2006 ; Vol. 57, No. 1. pp. 108-114.
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abstract = "Objective: To determine whether the incidence of pseudolesions of the liver caused by rib compression is correlated with liver function. Materials and methods: Multidetector row CT images of 150 consecutive cases were evaluated for the presence of pseudolesions caused by rib compression. Liver function was categorized into two groups mainly using the Child-Pugh classification: Group I - normal liver function and Grade A; Group II - Grades B and C. The number of focal deformities of the liver caused by rib compression was also counted. The incidence of pseudolesions based on number of patients or focal deformities of liver parenchyma by rib compression were compared between the two groups. Results: There were 108 and 42 patients in Groups I and II, respectively. 169 and 41 focal deformities of the liver caused by rib compression were found in Groups I and II, respectively. Patient-based and deformity-based incidences of pseudolesions were 10.7{\%} (16/150) and 7.6{\%} (16/210), respectively. All pseudolesions were seen in patients of Group I. Both patient-based and deformity-based incidences of pseudolesions were significantly higher in Group I as compared with those in Group II. Conclusion: Pseudolesions of the liver caused by focal rib compression may be seen more frequently in patients with preserved liver function than in those with impaired function.",
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AU - Irie, Hiroyuki

AU - Aibe, Hitoshi

AU - Tajima, Tsuyoshi

AU - Asayama, Yoshiki

AU - Matake, Kunishige

AU - Ishigami, Kousei

AU - Nakayama, Tomohiro

AU - Kakihara, Daisuke

AU - Honda, Hiroshi

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AB - Objective: To determine whether the incidence of pseudolesions of the liver caused by rib compression is correlated with liver function. Materials and methods: Multidetector row CT images of 150 consecutive cases were evaluated for the presence of pseudolesions caused by rib compression. Liver function was categorized into two groups mainly using the Child-Pugh classification: Group I - normal liver function and Grade A; Group II - Grades B and C. The number of focal deformities of the liver caused by rib compression was also counted. The incidence of pseudolesions based on number of patients or focal deformities of liver parenchyma by rib compression were compared between the two groups. Results: There were 108 and 42 patients in Groups I and II, respectively. 169 and 41 focal deformities of the liver caused by rib compression were found in Groups I and II, respectively. Patient-based and deformity-based incidences of pseudolesions were 10.7% (16/150) and 7.6% (16/210), respectively. All pseudolesions were seen in patients of Group I. Both patient-based and deformity-based incidences of pseudolesions were significantly higher in Group I as compared with those in Group II. Conclusion: Pseudolesions of the liver caused by focal rib compression may be seen more frequently in patients with preserved liver function than in those with impaired function.

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