Um caso de Febre de Origem Indeterminada (FOI)! O Frederico trouxe esse caso desafiador pra gente discutir e estruturar uma abordagem. A FOI é uma síndrome clássica da clínica médica, um mistério repleto de pistas falsas e verdadeiras. Vem com a gente tentar descobrir a causa dessa febre! REFERÊNCIAS: PETERSDORF, ROBERT G., and PAUL B. BEESON. "Fever of unexplained origin: report on 100 cases." Medicine 40.1 (1961): 1-30. DURACK, D. T. Fever of unknown origin-reexamined and redefined. Current Clinical Topics in Infectious Disease, v. 11, p. 35-51, 1991. BLEEKER-ROVERS, Chantal P. et al. Clinical value of FDG PET in patients with fever of unknown origin and patients suspected of focal infection or inflammation. European journal of nuclear medicine and molecular imaging, v. 31, n. 1, p. 29-37, 2004. DE KLEIJN, Elisabeth MHA; VAN DEN BROUCKE, Jan P.; VAN DER MEER, Jos WM. Fever of unknown origin (FUO): I. A prospective multicenter study of 167 patients with FUO, using fixed epidemiologic entry criteria. 1997. HOROWITZ, Harold W. Fever of unknown origin or fever of too many origins?. The New England journal of medicine, v. 368, n. 3, p. 197, 2013. BLEEKER-ROVERS, Chantal P. et al. A prospective multicenter study on fever of unknown origin: the yield of a structured diagnostic protocol. Medicine, v. 86, n. 1, p. 26-38, 2007. PETERSDORF, Robert G. Fever of unknown origin: an old friend revisited. Archives of internal medicine, v. 152, n. 1, p. 21-22, 1992. DRENTH, Joost PH et al. Metastatic breast cancer presenting as fever, rash, and arthritis. Cancer, v. 75, n. 7, p. 1608-1611, 1995. BOR, David H. Approach to the adult with fever of unknown origin. UPTODATE Jan 2020. BOR, David H. Etiologies of fever of Unknown origin in adults. UPTODATE Jan 2020. DHALIWAL, Gurpreet; DETSKY, Allan S. The evolution of the master diagnostician. JAMA, v. 310, n. 6, p. 579-580, 2013. HOT, Arnaud et al. Yield of bone marrow examination in diagnosing the source of fever of unknown origin. Archives of internal medicine, v. 169, n. 21, p. 2018-2023, 2009. Knockaert, Daniel C., Laurent J. Vanneste, and Herman J. Bobbaers. "Fever of unknown origin in elderly patients." Journal of the American Geriatrics Society 41.11 (1993): 1187-1192.