期刊
SKELETAL RADIOLOGY
卷 51, 期 3, 页码 477-504出版社
SPRINGER
DOI: 10.1007/s00256-021-03836-2
关键词
Pediatric; Soft tissue mass; Tumor; Sarcoma; Vascular malformation
There are numerous soft tissue tumors and tumor-like conditions in the pediatric population, and MRI is the most useful modality for imaging these lesions. Most lesions are indeterminate on MRI, requiring biopsy for diagnosis. The classification and imaging features of these lesions are discussed in detail based on the WHO guidelines.
There are numerous soft tissue tumors and tumor-like conditions in the pediatric population. Magnetic resonance imaging is the most useful modality for imaging these lesions. Although certain soft tissue lesions exhibit magnetic resonance features characteristic of a specific diagnosis, most lesions are indeterminate, and a biopsy is necessary for diagnosis. We provide a detailed update of soft tissue tumors and tumor-like conditions that occur in the pediatric population, emphasizing each lesion's conventional magnetic resonance imaging appearance, using the recently released 5th edition of the World Health Organization Classification of Soft Tissue and Bone Tumors as a guide. In part one of this review, pediatric tumor-like lesions, adipocytic tumors, fibroblastic and myofibroblastic tumors, and perivascular tumors are discussed. In part two, vascular lesions, fibrohistiocytic tumors, muscle tumors, peripheral nerve sheath tumors, tumors of uncertain differentiation, and undifferentiated small round cell sarcomas are reviewed. Per the convention of the WHO, these lesions involve the connective, subcutaneous, and other non-parenchymatous-organ soft tissues, as well as the peripheral and autonomic nervous system.
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