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2020 Aug 24

Rehabilitacion (Madr)

[Aneurysmal bone cyst in the sacrum: Case report and literature review].


Elía Martínez JM, Puerta de Diego R, Gallart Úbeda V, Elía Martínez I, Losar Sogues Colom A
Rehabilitacion (Madr). 2020 Aug 24.
PMID: 32854961.


Aneurysmal bone cysts are rare benign bone lesions. Location in the sacrum is unusual. Symptoms are nonspecific. After an injury, pain develops and complications of adjacent structures can be triggered by the associated oedema. Radiological presentation is usually characteristic but must be confirmed by biopsy and a differential diagnosis must be made with other tumours. Treatment in long bones is based in curettage and refill with bone replacement material. In the sacrum, neurological complications can develop with selective arterial embolisation being an alternative in their management. We describe the case of a 71-year-old male patient with sacral aneurysmal bone cysts and a history of chronic lymphoid leukaemia and benign prostatic hyperplasia. The report includes the clinical presentation, imaging findings and outcome after treatment with selective arterial embolisation. This case highlights the therapeutic options and difficulties encountered in the management of these lesions when located in the sacrum, which complicates their usual treatment. Selective arterial embolisation is a therapeutic option in patients with sacral aneurysmal bone cysts, allowing less aggressive treatments and favourable results.