Potential clinical role of FDG-PET in detecting sarcomatous transformation in von Recklinghausen's disease: a case study and review of the literature.

Abstract:

BACKGROUND:The diagnosis of sarcomatous transformation of plexiform neurofibromas in Neurofibromatosis-1 (NF 1) is a clinical and radiological challenge. Considerable overlap exists in the clinical and the radiological characteristics between the benign enlarging neurofibromas and their counterparts undergoing malignant changes. Surgical biopsy to rule out suspicious malignant transformation is often a problem in deep seated lesions. METHODS:We, in this paper, explore the clinical utility of FDG-PET in detecting and assessing this life threatening complication of neurofibromas. A case is described with FDG-PET and MRI documentation of such transformation and subsequent histopathological correlation. The case upholds the potential advantages of a FDG-PET over the conventional imaging modalities. A review of the existing literature is also carried out; a total of four published reports on this issue were identified in English literature by searches of Pubmed. RESULTS AND CONCLUSION:FDG-PET appeared a reliable as well as sensitive noninvasive technique that might minimize unnecessary deep surgical biopsy to rule out malignant transformation in cases of NF-1 with features of enlargement of a preexisting peripheral nerve sheath tumour, pain or neurodeficit.

journal_name

J Neurooncol

authors

Basu S,Nair N

doi

10.1007/s11060-006-9161-x

subject

Has Abstract

pub_date

2006-10-01 00:00:00

pages

91-5

issue

1

eissn

0167-594X

issn

1573-7373

journal_volume

80

pub_type

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