“…Previously it was believed that these regions were the most frequent site of hibernoma, but the latest review published by Furlong et al with 170 cases describes the thigh as the most frequent site, representing 30% of the total, followed by the shoulder, back, neck, thorax, arm, retroperitoneum, axilla, groin, supraclavicular area, buttock, scalp, abdominal wall, chest, spermatic cord and, lastly, scrotum and perineum [4]. It should be noted, therefore, that the retroperitoneal location is infrequent, being approximately 9.4% [5].…”