שאלה משלב א׳ בפתולוגיה אבחנתית · מועד 2026, שאלה 99

All answers were accepted on this question. Cholesterol stones are typically 50-100% cholesterol but rarely pure; BROWN pigment stones are indeed found mainly in the INTRAHEPATIC AND EXTRAHEPATIC DUCTS in the setting of infection and stasis (black pigment stones forming in the gallbladder in haemolysis); cholesterolosis reflects cholesterol-laden macrophages in the lamina propria and is associated with stasis and supersaturation; and gastric bypass or rapid weight loss promotes stone formation - the overlapping truths left no single answer.