A Glomus Tumor With Recurrence and Malignant Transformation in the Chest Wall: A Cautionary Tale of Seeding?

Glomus tumors are rare tumors most often occurring in the extremities of the limbs. We report a unique case of a glomus tumor, originally arising in the paraspinal region, which was excised and subsequently recurred in the chest wall with malignant transformation. The recurrence is likely to have been caused by wound seeding. To the best of our knowledge, this is the first report in the English literature of a glomus tumor recurrence secondary to the notion of wound seeding. (C) 2016 by The Society of Thoracic Surgeons