What's known and what's new in adipose lesions of peripheral nerves?

Abstract:

BACKGROUND:Adipose lesions of nerve primarily include intra- and extraneural lipomas and lipomatosis of nerve (LN). This paper will summarize the advances that have been made in the past decade, particularly related to LN and nerve territory overgrowth that have improved our understanding of the natural history, genetic background, diagnosis, imaging features, and clinical management. METHODS AND MATERIALS:Articles about adipose lesions of nerve were reviewed from 2011, when the last comprehensive review on this topic was published. Papers reporting advances on natural history, genetic background, diagnosis, imaging features, and clinical management were screened using PubMed and Google Scholar databases and then analyzed. Case reports and small case series were included only if they reported model examples of discussed pathologies, as these types of articles were summarized in recent systematic reviews on intraneural lipomas and LN. All eligible papers were assessed by the authors, who are subject matter experts. RESULTS:The first screen revealed 404 articles. After careful evaluation, a total of 53 articles were analyzed which includes advances in diagnosis (especially imaging), classification of the lesions, the role of somatic mutations in PIK3CA in LN, and treatment approaches for all adipose lesions of the peripheral nerve. CONCLUSION:Many advances have been made in the understanding of adipose lesions of nerve in the past decade. These pathologic entities are more readily recognized as a spectrum of lesions that share common phenotypic features.

journal_name

Acta Neurochir (Wien)

journal_title

Acta neurochirurgica

authors

Marek T,Mahan MA,Carter JM,Howe BM,Bartos R,Amrami KK,Spinner RJ

doi

10.1007/s00701-020-04620-2

subject

Has Abstract

pub_date

2020-10-22 00:00:00

eissn

0001-6268

issn

0942-0940

pii

10.1007/s00701-020-04620-2

pub_type

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