Presentation
Painless swelling of the right shoulder.
Patient Data
Age: 55 years
Gender: Female
From the case:
Herniated intramuscular 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/133233/annotated_viewer_json?lang=us"}
Well-defined intramuscular soft tissue mass within the deltoid muscle, of high signal intensity on both T1 and T2, attenuated on fat sat sequences (T1 fat sat, and STIR) and herniated to the subcutaneous fatty tissue through defects of the deltoid fascia.
High signal of the subcutaneous fat on T2 fat sat and STIR sequences (the patient had recently a subcutaneous injection).
From the case:
Herniated intramuscular 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/133238/annotated_viewer_json?lang=us"}
Annotated image: the green arrows indicated the muscle fascia defects.
Case Discussion
MRI features of intramuscular lipoma within the deltoid muscle, herniated to the subcutaneous fat through defects of the muscle fascia.
Unable to process the form. Check for errors and try again.