Soft Tissue Tumors

  • Hart IsaacsJr


Soft tissue tumors are relatively common in the first year of life [1–17]. Soft tissues are the source of a wide variety of neoplasms and tumorlike conditions often presenting as a palpable mass (Tables 4.1 and 4.2). Excluding hemangiomas and lymphangiomas, they are the leading group of tumors in infants overall and are second in frequency to teratoma in the newborn [1]. Neoplasms of fibrous connective tissue (myofibroblastic) origin are the most prevalent [6–9, 12–15]. Approximately one third of all neonatal and infant soft tissue tumors are classified histologically as malignant. The major malignancies are fibrosarcoma, rhabdomyosarcoma, primitive neuroectodermal tumor (PNET), and rhabdoid tumor [3, 6, 8, 13, 15, 17] (Tables 4.1 and 4.2).


Malignant Peripheral Nerve Sheath Tumor Fibrous Histiocytoma Cavernous Hemangioma Infantile Hemangioma Granular Cell Tumor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Authors and Affiliations

  • Hart IsaacsJr
    • 1
  1. 1.Department of Pathology Rady Childrens Hospital San DiegoUniversity of California San Diego School of MedicineSan DiegoUSA

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