[Evaluation of the factors affecting the formation of tendon scar under experimental conditions].
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The etiology of hallux valgus, method of patient selection, technique of carrying out a modified McBride procedure, and possible surgical pitfalls associated with the procedure are discussed. The results of the McBride procedure and the limitations that the authors feel should be placed upon the procedure were stressed. The authors believe that the modified McBride procedures is biomechanically sound and offers patients a most satisfactory correction of their deformity. The procedure has a very low incidence or postoperative complications, and if a complication arises, the surgeon has many good alternatives with which to correct the problem.
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The following case is presented to illustrate the roentgenographic and clinical findings of a condition of interest to the orthopaedic surgeon. The initial history, physical findings, and roentgenographic examinations are found on this page. The clinical and roentgenographic diagnoses are presented on the following pages.
A 59-year-old woman with a 14 years' history of seropositive nodular rheumatoid arthritis (RA) who developed multiple subcutaneous nodules during methotrexate therapy was reported. Weekly pulse methotrexate therapy (5-7.5 mg) was initiated in June, 1990 for exacerbation of RA. By January 1991 (total dose of methotrexate: ca 240-310 mg), marked clinical and laboratory improvements were observed. However, subcutaneous which were present prior to methotrexate administration, increased in number and size. The excised nodules showed typical histological features of rheumatoid nodules. The subcutaneous were also characterized by their presence in atypical locations such as the extensor surfaces of finger joints and toes. Recent reports which describe development of subcutaneous nodules and vasculitic lesions in RA patients following methotrexate therapy indicate different pathogenetic mechanisms might be involved in articular disease and nodular lesions.
Characteristic feature of pathogenesis, epidemiology and laboratory findings in hyperuricemia of gouty patients are studied and reasonable treatments of gout in clinical medicine are discussed. Gout is characterized by repeated arthritis attacks on the metacarpophalangeal joint of the first toe or other small joints, especially overworked joints or those exposed to cold. The arthritis attack lasts for 3.5 days and then diminishes gradually. The intervals are shortened in patients under poor hyperuricemic control but tophi formation is less frequent. Complications in combination with hyperlipidemia, diabetes mellitus, obesity and hypertension, which are compatible to syndrome X, are frequent in gouty patients and are suspected of rapidly progressing to arteriosclerosis, such as ischemic heart diseases. Hyperuricemia consists of over-production and underexcretion, which can be diagnosed by the urate clearance test. Classification is valuable for surveying the underlying diseases of secondary hyperuricemia and treating gouty patients. Underexcretion was observed in 85% of gouty patients with hyperuricemia and even the mean urate clearance in the overproduction type was significantly lower than that of normal controls, suggesting that underexcretion is a fundamental phenomenon in all gouty patients. Treatments of complications as well as those of hyperuricemia with uricosuric agents are required for clinical treatment of gouty patients.
Normal and deformed forefeet have been investigated by cadaver anatomical dissections and experiments, by radiographs, CT and MRI scanning, and by clinical studies. Evidence is presented to show that the skeleton of the foot rests on and is controlled by a multi-segmental ligamentous and fascial tie-bar system. Transversely across the plantar aspect of the forefoot, the plantar plates and the deep transverse metatarsal ligaments form a strong ligamentous structure which prevents undue splaying of the forefoot. Longitudinally, the five digital processes of the deeper layer of the plantar fascia are inserted into the plantar plates and control the longitudinal arch of the foot. It is suggested that many forefoot deformities result from the failure of parts of the tie-bar system and the dynamic effect of displacement of the plantar plates. Understanding this allows a more logical approach to their treatment.
The authors discuss a commonly encountered, but poorly documented, condition of the lesser digits. Unlike the clawtoe deformity, which normally occurs in the cavus-foot type, the combined hammer toe-mallet toe (double corn) deformity is perhaps most frequently associated with the pronated foot type undergoing flexor stabilization. This article reviews 20 patients undergoing 62 double resectional arthroplasty procedures for treatment of the deformity.
OBJECTIVE: To study the plantar forefoot of patients with early rheumatoid arthritis (RA) by ultrasound to detect bursitis and to correlate sonographic findings with symptoms and clinical observations. METHODS: Clinical examination, dorsoplantar radiographs, and transverse sonographic scans of the plantar region of the forefoot were performed on 30 healthy persons as well as 25 patients with early RA and forefoot symptoms. RESULTS: In 8 patients the examiner could clinically suspect plantar bursitis. Ultrasound revealed 22 incidents of plantar bursitis in 14 of the 25 patients. Except for bursitis in the forefoot no inflammatory findings were detected by ultrasound in 6 patients. CONCLUSION: Not only metatarsophalangeal arthritis or flexor tenosynovitis but also plantar bursitis can promote symptoms of the forefoot. Ultrasound is a more objective procedure than clinical examination in diagnosing plantar bursitis. This finding has diagnostic and therapeutic implications.
A case of extreme, obviously lead-induced gouty arthritis is described testing xerography for typical gouty changes. Xerography is less effective in showing differences of density than film-techniques. But highly structures shapes or their sudden abolition will be particularly clear owing to the effect of contour reinforcement. Defects of bone induced by tophi and new formations can be identified with certainly.