Pyrexia of Unknown origin

Why unknown origin? Suggests disease process with non-specific, non-focal symptoms

etiology

infective

Is it actually undertreated/untreated infectoin?

autoimmune/rheum

neoplastic process

  • Lymphomas

endocrine

others and rare disorders

  • VTE
  • familial Mediterranean fever

which investigation?

  • Chest imaging for all!
  • PRobably cross sectional imaging sooner or later
  • TOE?
  • blood cutlures for sure