How are granular cell tumors (GCTs) diagnosed?

Updated: Nov 12, 2020
  • Author: Vladimir O Osipov, MD; Chief Editor: E Jason Abel, MD  more...
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Laboratory tests may be necessary to assess the functional effects of visceral lesions (eg, liver function tests in lesions along the biliary tree). However, the diagnosis of granular cell tumors centers on analysis of biopsy specimens.

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