Muscle morphometry in amyotrophic lateral sclerosis. 1991

Y Iwasaki, and H Sugimoto, and K Ikeda, and K Takamiya, and T Shiojima, and M Kinoshita
Fourth Department of Internal Medicine, Toho University Ohashi Hospital, Tokyo, Japan.

Quadriceps muscle biopsies from 24 patients with amyotrophic lateral sclerosis (ALS) and 15 age-matched controls were prepared for histochemistry and analyzed morphometrically. Pathological features for denervation and reinnervation were observed in most ALS patients, although considerable variation between patients was noted. Myopathic changes were also seen in one-third of the cases. The morphometric data were not only related to the duration and mean diameter of type I fiber, but also to the duration and hypertrophy factor of type II fiber, suggesting that the progression and severity of ALS depends on the preservation of both fibers.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000690 Amyotrophic Lateral Sclerosis A degenerative disorder affecting upper MOTOR NEURONS in the brain and lower motor neurons in the brain stem and SPINAL CORD. Disease onset is usually after the age of 50 and the process is usually fatal within 3 to 6 years. Clinical manifestations include progressive weakness, atrophy, FASCICULATION, hyperreflexia, DYSARTHRIA, dysphagia, and eventual paralysis of respiratory function. Pathologic features include the replacement of motor neurons with fibrous ASTROCYTES and atrophy of anterior SPINAL NERVE ROOTS and corticospinal tracts. (From Adams et al., Principles of Neurology, 6th ed, pp1089-94) ALS - Amyotrophic Lateral Sclerosis,Lou Gehrig Disease,Motor Neuron Disease, Amyotrophic Lateral Sclerosis,Amyotrophic Lateral Sclerosis With Dementia,Amyotrophic Lateral Sclerosis, Guam Form,Amyotrophic Lateral Sclerosis, Parkinsonism-Dementia Complex of Guam,Amyotrophic Lateral Sclerosis-Parkinsonism-Dementia Complex 1,Charcot Disease,Dementia With Amyotrophic Lateral Sclerosis,Gehrig's Disease,Guam Disease,Guam Form of Amyotrophic Lateral Sclerosis,Lou Gehrig's Disease,Lou-Gehrigs Disease,ALS Amyotrophic Lateral Sclerosis,Amyotrophic Lateral Sclerosis Parkinsonism Dementia Complex 1,Amyotrophic Lateral Sclerosis, Parkinsonism Dementia Complex of Guam,Disease, Guam,Disease, Lou-Gehrigs,Gehrig Disease,Gehrigs Disease,Sclerosis, Amyotrophic Lateral
D001344 Autopsy Postmortem examination of the body. Autopsies,Post-Mortem Examination,Postmortem Examination,Examination, Post-Mortem,Examination, Postmortem,Examinations, Post-Mortem,Examinations, Postmortem,Post Mortem Examination,Post-Mortem Examinations,Postmortem Examinations
D001706 Biopsy Removal and pathologic examination of specimens from the living body. Biopsies

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