“…Muscle involvement could be primary or concomitant with liver or lung involvement. Among muscles involved, there are some reports of gluteal [2], thigh [4], biceps femoris [3,[5], [6], [7], [8]] and biceps brachii [11]. Besides our case, there are only five previous case report reporting the hydatid cyst in the biceps femoris [3,[5], [6], [7], [8]].…”