Rofo 2016; 188(01): 53-59
DOI: 10.1055/s-0041-106069
Interventional Radiology
© Georg Thieme Verlag KG Stuttgart · New York

Selective arterial Embolisation of Aneurysmal Bone Cysts of the Sacrum: a promising Alternative to Surgery

Die transarterielle Embolisation von Aneurysmatischen Knochenzysten des Os sacrum: eine vielversprechende Alternative zur Operation
M. P. Henrichs
1   General Orthopaedics and Tumororthopaedics, University Hospital Münster, Germany
,
L. Beck
2   Department of Clinical Radiology, University Hospital Münster, Germany
,
G. Gosheger
1   General Orthopaedics and Tumororthopaedics, University Hospital Münster, Germany
,
A. Streitbuerger
1   General Orthopaedics and Tumororthopaedics, University Hospital Münster, Germany
,
M. Koehler
2   Department of Clinical Radiology, University Hospital Münster, Germany
,
W. Heindel
2   Department of Clinical Radiology, University Hospital Münster, Germany
,
J. Hardes
1   General Orthopaedics and Tumororthopaedics, University Hospital Münster, Germany
,
V. Vieth
2   Department of Clinical Radiology, University Hospital Münster, Germany
› Author Affiliations
Further Information

Publication History

02 March 2015

17 July 2015

Publication Date:
22 December 2015 (online)

Abstract

Purpose: The sacrum is a rare but unfavourable location for Aneurysmal Bone Cysts (ABCs), surgical procedures aiming to achieve local tumour control can be mutilating. Aim of this study was to evaluate whether selective arterial embolisation (AE) of ABC of the sacrum is an effective treatment and might be an alternative to surgical treatment options.

Materials and Methods: Between 2007 and 2011 six patients (mean age 13.7 years, range 8 – 18 years) with an ABC of the sacrum were treated by AE. Follow-up was performed by MRI-scans as well as clinical examination (mean 36.5 months, range 14 – 56 months).

Results: No treatment related complications have been observed. AE resulted in devascularisation of ABC and led to local tumour control in all patients. A partial consolidation was noticed in three patients. Pain relief was achieved in five of six patients, neurological deficits dissolved. In two patients more than one embolization was necessary. In one of these patients due to exacerbation of pain a surgical decompression was performed.

Conclusion: AE of sacral ABCs can serve as an effective and safe treatment option. Thus it might be an alternative to potentially harmful surgical procedures. In case of ongoing tumour growth or pain recurrence AE can be repeated. In case of treatment failure surgical interventions are still possible.

Key Points:

• transarterial embolisation enables local tumour control in sacral ABCs

• transarterial embolisation of sacral ABCs is a safe procedure

• in case of tumour progression repetitive embolisations are possible and effective

Citation Format:

• Henrichs MP, Beck L, Gosheger G et al. Selective arterial Embolisation of Aneurysmal Bone Cysts of the Sacrum: a promising Alternative to Surgery. Fortschr Röntgenstr 2016; 188: 53 – 59

Zusammenfassung

Ziel: Das Os sacrum ist eine seltene Lokalisation der Aneurysmatischen Knochenzyste (AKZ). Die chirurgische Behandlung führt an dieser Stelle nicht selten zu ernsthaften Komplikationen. Ziel dieser retrospektiven Studie war es zu überprüfen, ob eine lokale Tumorkontrolle allein mittels transarterieller Embolisation als Alternative zur Operation zu erreichen ist.

Material und Methoden: Zwischen 2007 und 2011 wurden sechs Patienten (Durchschnittsalter 13,7 Jahre, Spanne 8 – 18 Jahre) mit einer AKZ des Os sacrum mittels transarterieller Embolisation behandelt. Die Nachuntersuchungen erfolgten klinisch und mittels MRT-Kontrollen (Nachbeobachtungszeitraum 36,5 Monate, Spanne 14 – 56 Monate).

Ergebnisse: Behandlungsassoziierte Komplikationen wurden nicht beobachtet. Die transarterielle Embolisation führte zur Devaskularisation der AKZ und resultierte in einer lokalen Tumorkontrolle bei allen Patienten. Eine teilweise Konsolidierung der AKZ wurde in drei Fällen beobachtet. Eine vollständige Beschwerdefreiheit wurde in fünf von sechs Patienten erreicht, sogar neurologische Ausfallserscheinungen bildeten sich zurück. Bei zwei Patienten musste mehr als eine Embolisation erfolgen. Bei einem Patienten hiervon wurde auf Grund einer Exazerbation der Schmerzsymptomatik eine operative Dekompression durchgeführt.

Schlussfolgerung: Die transarterielle Embolisation von AKZ des Os sacrum ist nicht nur eine adjuvante Maßnahme, sondern kann als effektive Behandlung eine Alternative zu potenziell gefährlichen chirurgischen Eingriffen darstellen. Im Falle weiteren Tumorwachstums oder bei Beschwerdeprogredienz kann die Embolisation mehrfach wiederholt werden. Bei Versagen sind chirurgische Eingriffe weiterhin möglich.

Kernaussagen:

• Die transarterielle Embolisation führt zur lokalen Tumorkontrolle bei AKZs des Os sacrum

• Die transarterielle Embolisation stellt eine komplikationsarme Alternative zu chirurgischen Eingriffen dar

• Bei Wachstumsprogredienz ist eine wiederholte Embolisation möglich und effektiv

Deutscher Artikel/German Article

 
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