Mediastinal lipoblastoma with intraspinal extension: MRI demonstration

Lipoblastomatous lesions are mesenchymal tumors of embryonal white fat and are classified into two forms: a superficial, well-defined mass (lipoblastoma) or a deep, infiltrative lesion (lipoblastomatosis). We report an unique case of mediastinal lipoblastoma in a 17-month-old boy which harbored a du...

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Bibliographic Details
Published in:Magnetic resonance imaging 1998-05, Vol.16 (4), p.445-448
Main Authors: Ko, Sheung Fat, Shieh, Chie-Song, Shih, Teng-Yuan, Hsiao, Chih-Cheng, Ng, Shu-Hang, Lee, Tze-Yu, Wan, Yung-Liang, Chen, Wei-Jen
Format: Article
Language:English
Subjects:
Adipose Tissue - pathology
Biological and medical sciences
Children, neoplasms
Humans
Infant
Lipoma - diagnosis
Lipoma - surgery
Magnetic Resonance Imaging
Male
Mediastinal Neoplasms - diagnosis
Mediastinal Neoplasms - surgery
Mediastinum, neoplasms
Medical sciences
Neoplasm Invasiveness
Pneumology
Spine - pathology
Spine, neoplasms
Tumors of the respiratory system and mediastinum
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Summary:Lipoblastomatous lesions are mesenchymal tumors of embryonal white fat and are classified into two forms: a superficial, well-defined mass (lipoblastoma) or a deep, infiltrative lesion (lipoblastomatosis). We report an unique case of mediastinal lipoblastoma in a 17-month-old boy which harbored a dual nature and exhibited the characteristics of both forms, a large well-encapsulated intrathoracic main tumor with focal infiltrative features at the thoracic inlet and transforaminal intraspinal extension forming a long-segment extradural mass. In addition to specific signal characterization of a fatty mediastinal mass with intratumoral streaks and whorls corresponding to the fibrovascular network, magnetic resonance (MR) imaging offered clear demonstration of the chest wall, lower neck and intraspinal extension, which was important for preoperative planning.
ISSN:0730-725X
1873-5894
DOI:10.1016/S0730-725X(98)00015-0