Biomedical subjects
R Lapham
Publications and source records attributed to R Lapham.
Appendiceal spirochetosis.
Appendiceal spirochetosis is rarely described in the literature. We assessed the incidence of spirochetosis in a series of 109 appendectomies (76 adult and 33 pediatric cases) done for either suspected acute appendicitis or as a concurrent procedure. Appendiceal spirochetosis was identified on hematoxylin-eosin sections and confirmed by Steiner and Steiner stain and ultrastructural study in two women and two men. One of these four patients was found to have HIV infection. The HIV status of the other three patients was unknown. We observed appendiceal spirochetosis to be an uncommon phenomenon that affects both sexes, occurring with or without symptoms of acute appendicitis. None of our four positive cases occurred in the pediatric age group.
Colour duplex ultrasonographic imaging and provocation of popliteal artery compression.
OBJECTIVES: Provoked compression of the popliteal artery by active plantar flexion of the foot is still mainstay in the assessment of the popliteal artery entrapment syndrome. In this study, the effects of several provocation manoeuvres of the foot on the flow patterns of the popliteal arteries of normal healthy volunteers were evaluated. DESIGN: Experimental study among healthy volunteers in a vascular laboratory. MATERIALS AND METHODS: The popliteal artery of 16 healthy volunteers was studied with Duplex scanning in rest and during active and passive plantar and dorsal flexion of the foot. RESULTS: Active plantar flexion was the only movement that influenced popliteal artery flow patterns. Changes were found in 27 arteries (85%), consisting of either a complete occlusion (n = 19, 59%), a significant lumen reduction (n = 4, 13%) or a low flow state (n = 4, 13%). CONCLUSION: Compression of the popliteal artery by active plantar flexion of the foot is a physiologic phenomenon and its value in the assessment of patients suspected of the popliteal artery entrapment syndrome is limited.
An audit of the quality of cancer registration data.
The accuracy of cancer registration data in the East of Scotland (Tayside) Cancer Registry was audited by comparing 200 consecutive registrations (about 10% of the annual total) with the 'gold standard' of the Histopathology records. ICD codes were independently generated by a pathologist by examining final pathology reports and then compared to those codes given by the local cancer registrar. Discrepancies were graded by the pathologist and the epidemiologist according to severity. Major errors of coding were few. Minor and moderate differences in coding occurred because of the nature and structure of the coding system and the manner in which data are retrieved. The level of detail required by the Cancer Registry needs to be evaluated.
[MCH-based family planning program].
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Family planning in Tunisia and Morocco: a summary and evaluation of the recent record.
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[The place of family planning in the recent change in the birth rate in Tunisia].
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[Past and present use of contraception (practice) of women in urban and rural parts of the plain of Sais, Morocco].
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