Presentation
Incidental finding.
Patient Data
Age: 85 years
Gender: Female
From the case:
Intercostal muscle lipoma
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/117034/annotated_viewer_json?iframe=true\u0026lang=us"}
Well-defined intramuscular lesion of fatty density within the intercostal muscle in the left 2nd intercostal space with no calcification or septation. Normal aspect of the adjacent 2nd and 3rd ribs.
From the case:
Intercostal muscle lipoma
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/117036/annotated_viewer_json?iframe=true\u0026lang=us"}
Annotated image showing the mean density of the fatty lesion (-126 HU).
Case Discussion
CT features of an intramuscular lipoma within intercostal muscles.
Intramuscular lipomas of the chest wall are rare as compared to the superficial lipomas and they should be removed due to their potential for malignancy 1.