Cancer of unknown primary origin differential diagnosis
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: , Roukoz A. Karam, M.D.[2]
Overview
Cancer of unknown primary is a diagnosis of exclusion; hence, all other differentials in addition to primary tumor location must be ruled out prior to diagnosis.
Differentiating Cancer of Unknown Primary Origin from Other Diseases
- Cancer of unknown primary is a diagnosis of exclusion; hence, all other differentials in addition to primary tumor location must be ruled out prior to diagnosis.
- Cancer of unknown primary origin must be differentiated from other diseases that cause sudden weight-loss, fatigue, and loss of appetite, such as:[1]