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1996-02-27
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Document 0513
DOCN M9630513
TI [A comparative study of the clinical and histological characteristics
between classic nemaline myopathy and that associated with the human
immunodeficiency virus]
DT 9603
AU Miro O; Masanes F; Pedrol E; Garcia-Carrasco M; Mallolas J; Casademont
J; Grau JM; Servicio de Medicina Interna General, Hospital Clinic i;
Provincial, Barcelona.
SO Med Clin (Barc). 1995 Oct 21;105(13):500-3. Unique Identifier : AIDSLINE
MED/96077776
AB BACKGROUND: Several cases of nemaline myopathy (NM) have been described
in patients with human immunodeficiency virus (HIV) infection. The
clinical and histological characteristics of classical NM are known, but
remain to be defined in HIV positive patients. METHODS: A retrospective
review of the NM over a 12-year period (1982-1993) was carried out. The
clinical and histological data of the classical NM were compared with
those associated to the HIV. RESULTS: Eight cases of NM were collected:
five in HIV negative patients (classical NM) and three in HIV positive
patients. The latter patients with NM were all males with no family
history of myopathy. Motor development had been normal and was not
associated with disorders in other systems and the muscular symptoms
were slight. On muscle biopsy a lower percentage of fibers with nemaline
bodies and type 2 muscle fiber atrophy were observed, as well as slight
alterations in the oxidative reactions. A second muscle biopsy performed
two years after in one of these patients was normal. Females
predominated in the group of HIV negative patients with family history,
motor retardation during infancy and different extramuscular alterations
being frequent. The muscle symptoms were more marked and severe in the
two cases with respiratory musculature involvement. Histologic study
demonstrated a higher percentage of nemaline bodies, predominance of
type 1 muscle fiber atrophy and frequent alterations in the oxidative
reactions. CONCLUSION: Nemaline myopathy presented in patients with HIV
infection differs from the classically described form. The presence of
nemaline bodies on muscle biopsy in HIV positive patients may be
interpreted more as an epiphenomenon in relation with HIV infection than
as a primary myopathy.
DE Adult Biopsy Comparative Study English Abstract Female Human HIV
Infections/COMPLICATIONS/*DIAGNOSIS/PATHOLOGY *HIV-1 Male
Muscles/PATHOLOGY Nemaline
Myopathy/*DIAGNOSIS/ETIOLOGY/GENETICS/PATHOLOGY Retrospective Studies
Sex Characteristics Support, Non-U.S. Gov't JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).