incidentaloma

[in-si-den-tuh-loh-muh]
noun, plural in·ci·dent·a·lo·mas, in·ci·dent·a·lo·ma·ta [in-si-den-tuh-loh-muh-tuh] /ˌɪn sɪˌdɛn təˈloʊ mə tə/.
  1. an abnormal lesion or tumor detected by chance during a medical imaging test, physical examination, or surgery.

Origin of incidentaloma

First recorded in 1980–85; incidental + -oma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018