Williams C S, Gelberman R H
Department of Surgery/Orthopedics, University of Arizona College of Medicine, Tucson.
Hand Clin. 1993 Aug;9(3):391-8.
Osteonecrosis of the lunate is well established as the pathologic entity underlying the clinical condition known as Kienböck's disease. Consequently, the extraosseous and intraosseous blood supplies to the lunate have been well studied. A series of three palmar and three dorsal arterial arches provide a consistent volar supply to the lunate, and a frequent, but inconsistent, dorsal supply. Volar and dorsal foramina each generally contribute one to two vessels to a volar and dorsal intraosseous arterial network. The dorsal and volar arterial systems anastomose distal to the midline of the lunate; however, in as many as 7.5% of lunates, no anastomosis my be present. Between 7% and 26% of lunates may lack either a volar or dorsal arterial supply. These findings have significant implications regarding possible mechanisms for the development of osteonecrosis and the treatment of Kienböck's disease.
月骨缺血性坏死已被确认为是导致临床上称为金伯克氏病的病理实体。因此，对月骨的骨外和骨内血液供应进行了充分研究。一系列三个掌侧和三个背侧动脉弓为月骨提供持续的掌侧血液供应，以及频繁但不恒定的背侧血液供应。掌侧和背侧骨孔通常分别为掌侧和背侧骨内动脉网络贡献一到两条血管。背侧和掌侧动脉系统在月骨中线远侧吻合；然而，多达7.5%的月骨可能不存在吻合。7%至26%的月骨可能缺乏掌侧或背侧动脉供应。这些发现对于缺血性坏死的可能发病机制和金伯克氏病的治疗具有重要意义。
