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  • Title: Limb girdle muscular dystrophy: a pathological and immunohistochemical reevaluation.
    Author: van der Kooi AJ, Ginjaar HB, Busch HF, Wokke JH, Barth PG, de Visser M.
    Journal: Muscle Nerve; 1998 May; 21(5):584-90. PubMed ID: 9572237.
    Abstract:
    Ninety-seven muscle biopsies from 81 limb girdle muscular dystrophy (LGMD) patients [32 autosomal recessive (AR), 15 autosomal dominant (AD), 34 sporadic] were morphologically reevaluated. Sarcoglycan analysis was done in 37 available muscle biopsies of AR and sporadic patients. Chi-square tests were used to analyze the relation between abnormalities in AR/sporadic versus AD cases. Eighty percent of the muscle biopsies showed a predominantly dystrophic pattern, 20% showed myopathic changes, and 17% of these also had neurogenic changes. Muscle histology was not significantly different between AR/sporadic and AD LGMD; however, the observed abnormalities were more pronounced in the AR/sporadic group. Collections of inflammatory cells were observed in 25% and 10% of the AR/sporadic and AD group, respectively. Sarcoglycanopathy was diagnosed in 25% of the AR and sporadic patients of the 37 families tested. We conclude that the histological picture of AR/sporadic and AD LGMD is essentially the same, and sarcoglycanopathy constitutes an important part of the AR/sporadic patients.
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