Which macroscopic findings are characteristic of primitive neuroectodermal tumor of the thoracopulmonary region (PNET)?

Updated: Dec 25, 2019
  • Author: Joseph F Tomashefski, Jr, MD; more...
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Answer

Answer

Gross examination reveals a large, relatively circumscribed (but nonencapsulated), round, ovoid, and multinodular or multilobular mass (mean, 6 cm in diameter) in the soft tissues of the chest wall or bulging through the parietal pleura. [19] The cut surface is grayish-white with foci of hemorrhage and necrosis. The primary soft-tissue mass may directly extend into lung or adjacent ribs. [19]


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