Biomedical subjects
Publications and source records attributed to F Hankin.
A technique is described that greatly reduces the problems inherent in obtaining clear radiographs of the fingers. The method is simple, inexpensive, and readily available for use in the operating room. Additionally, it allows the surgeon to leave the operative field and stand behind a lead shield while radiographs are taken.
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A case in which only one sibling of an identical, HLA-B27 negative, twin pairing is affected by ankylosing spondylitis is reported. While endogenous variables may predispose certain populations to ankylosing spondylitis, the discordance illustrated in these seronegative monozygotic twins indicates that exogenous factors may certainly influence the development and course of this disease.
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Standardized plaster replicas of bony specimens were made to determine the mechanical and architectural requirements for arthrodesis subsequent to failed arthroplasty. Surprisingly small differences were noted in the total volume of bone removed from control compared with arthroplasty patients. There were correspondingly small differences in the bone and/or limb lengths. Limb length is not a consideration in selecting a prosthesis type. Varying with the type of prosthesis, there were wide differences in the contact area of trabecular bone remaining for fusion. Bulky femoral and tibial stems or protrusions are undesirable and greatly diminish the interface areas.