Results of a systematic literature review of treatment modalities for jugulotympanic paraganglioma, stratified per Fisch class

Abstract

Objective

Key for successful jugulotympanic paraganglioma management is a personalized approach aiming for the best practice for each individual patient. To this end, a systematic review is performed, evaluating the local control- and complication rates for the different treatment modalities stratified by the broadly accepted Fisch classification.

Design

A systematic literature review according to the PRISMA statement was performed. A detailed overview of individual treatment outcomes per Fisch class is provided.

Main outcome measures

local control, cranial nerve damage, complications, function recovery.

Results

Eighteen studies were selected, resembling 83 patients treated with radiotherapy and 299 with surgery. Excellent local control was found post surgery for class A and B tumours and risk of cranial nerve damage was <1%. For class C1-4 tumours, local control was 80-95% post surgery (84% post radiotherapy) and, cranial nerve damage was found in 71-76% (none post radiotherapy; p < 0.05). There was no difference in treatment outcomes between tumours of different C class. For class C1-4De/Di tumours, local control was 38-86% (98% post radiotherapy; p < 0.05), cranial nerve damage/complication rates were 67-100% (3% post radiotherapy; p < 0.05). C1-4DeDi tumours showed lesser local control and cranial nerve damage rates when compared to C1-4De tumours.

Conclusions

An individual risk is constituted for surgery and radiotherapy, stratified per Fisch class. For class A and B tumours surgery is a suitable treatment option. For class C and D tumours radiotherapy results in lower complication rates and similar or better local control rates when compared to the surgical group.

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