Anatomy of the greater femoral trochanter: clinical importance for intramedullary femoral nailing: Anatomic study of 100 cadaver specimens

Background Fossa piriformis is considered the correct point of entry for a straight femoral nail. A trochanteric overhang may make the access to fossa piriformis difficult. We investigated the anatomy of the trochanteric region, paying special attention to the entry point for antegrade intramedullar...

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Bibliographic Details
Published in:Acta orthopaedica 2006-12, Vol.77 (6), p.899-901
Main Authors: Grechenig, Wolfgang, Pichler, Wolfgang, Clement, Hans, Tesch, Norbert Peter, Grechenig, Stephan
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Biological and medical sciences
Bone Nails
Cadaver
Diseases of the osteoarticular system
Femur - anatomy & histology
Femur - diagnostic imaging
Femur - surgery
Fracture Fixation, Intramedullary - instrumentation
Humans
Medical sciences
Middle Aged
Orthopedic surgery
Radiography
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Traumas. Diseases due to physical agents
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Summary:Background Fossa piriformis is considered the correct point of entry for a straight femoral nail. A trochanteric overhang may make the access to fossa piriformis difficult. We investigated the anatomy of the trochanteric region, paying special attention to the entry point for antegrade intramedullary femoral nailing. Methods and results We studied 100 cadaver specimens. In 63 specimens a shape with a free entry point was found, whereas in 37 cases the entry point was either half or fully covered. In 9 specimens the entry points could not be exactly located from a cranial aspect. Interpretation The anatomic variations of the trochanteric sometimes make it difficult to identify the correct entry point for an intramedullary nail.
ISSN:1745-3674
1745-3682
DOI:10.1080/17453670610013196