Procalcitonin Perplexity - Prolonged Idiopathic Elevation in Pleomorphic Sarcoma: A Case Report and Review of the Literature.

Historically, elevations in procalcitonin (PCT) have been implicated in medullary thyroid cancer and neuroendocrine tumors. More recently, the trending of PCT has been suggested as a monitor of infection to assess the presence, clearance and eradication of infection, especially in cancer patients. Its increase serves as a marker of bacterial infections.