Thomas sign
Thomas's sign: Silver, aluminium or metallic coloured stools. Caused by the combination of cholestatic (acholic) pale stools secondary to CBD obstruction and the black-tar colour malaena.
80-year-old female presents with four days of left flank pain and fever. She is febrile 39.5, HR 110, and hypotensive with SBP 90. Blood results reveal an acute kidney injury with creatine 120 and lactate of 5 A Non-contrast CT…