Pathologic quiz case: a 79-year-old woman with a black, ulcerated cecal tumor and 3 negative guaiac test results. Medullary adenocarcinoma of the colon, poorly differentiated.
Wang
Lina
L
Department of Pathology, Charles R. Drew University of Medicine and Science, UCLA School of Medicine, MLK Jr/Drew Medical Center, 90059, USA. liwang@cdrewu.edu <liwang@cdrewu.edu>
Warner
Nancy E
NE
Sherrod
Andy E
AE
D000230:Adenocarcinoma / Q000097:blood / Q000175:diagnosis*; D000368:Aged; D018276:Carcinoma, Medullary / Q000097:blood / Q000175:diagnosis*; D002430:Cecal Neoplasms / Q000097:blood / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000097:blood / Q000175:diagnosis*; D005260:Female; D006138:Guaiac; D006801:Humans; D009780:Occult Blood; D014456:Ulcer / Q000097:blood / Q000175:diagnosis*
D006138:Guaiac