本文介绍一种以乳内动脉及其终枝腹壁上动脉和腹壁下动脉为蒂的上腹部岛状皮瓣。并附一例临床报告。解剖:乳内动脉通常由锁骨下动脉第一段的下面发起,其起点与甲状颈干起点上下相对,外侧为前斜角内缘。向下、前和内侧走行于胸锁乳突肌、锁骨、锁骨下静脉和颈内静脉后面。当其进入胸廓时、膈神经从外向内斜过其后方。动脉在上六个肋软骨和肋间 This article presents an upper abdominal island flap pedicled on the internal mammary artery and its apical upper abdominal artery and inferior abdominal artery. With a case of clinical report. Anatomy: The internal mammary artery is usually initiated from below the first segment of the subclavian artery. The starting point is opposite to the starting point of the thyroid neck and the medial margin of the anterior bevel. Down, front and inside the sternocleidomastoid, clavicle, subclavian vein and internal jugular vein behind. When it enters the thorax, the phrenic nerve bends from behind to outside. Artery on the six costal cartilage and intercostal