Kienbock disease
{"favouriteUrl":"/cases/kienbock-disease-2/add_favourite?lang=us","favouriteId":12811,"favouriteKind":"case","loginUrl":"/sessions/new?lang=us\u0026return_to=%2Fcases%2Fkienbock-disease-2%3Flang%3Dus","unfavouriteUrl":"/cases/kienbock-disease-2/remove_favourite?lang=us"}
{"favouriteUrl":"/cases/kienbock-disease-2/add_favourite?lang=us","favouriteId":12811,"favouriteKind":"case","loginUrl":"/sessions/new?lang=us\u0026return_to=%2Fcases%2Fkienbock-disease-2%3Flang%3Dus","unfavouriteUrl":"/cases/kienbock-disease-2/remove_favourite?lang=us"}
Diagnosis certain
Presentation
Child with wrist pain.
Patient Data
Age: Child
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Kienbock disease
{"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/12935/annotated_viewer_json?c=1696822194\u0026lang=us"}
X-rays demonstrate sclerosis and irregularity of the lunate.
From the case:
Kienbock disease
{"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/12936/annotated_viewer_json?c=1696822194\u0026lang=us"}
MRI confirms the absence of normal bone marrow signal (best seen on T1 sequence) with a thin rim of high T2 signal at the periphery of the ossified center (best seen on STIR).
Note also the apparent negative ulnar variance.
Case Discussion
Although the demographics are atypical, the findings are thought most likely to represent AVN of the lunate (Kienbock disease).
Case courtesy of Dr Yume Kohno.
Unable to process the form. Check for errors and try again.