Farber's disease or Farbers
lipogranulomatosis
Description of Farber's disease
or Farbers lipogranulomatosis
Farber disease is one of
the rarest forms of lysosomal disease. It is an autosomal recessive disorder due to the
defective enzymatic activity of acid ceramidase (a lysosomal hydrolase that hydrolyses
ceramide to sphingosine and fatty acid), leading to intracellular accumulation of
ceramides.
Clinically, the disorder shows various forms. The onset may
occur early in infancy or much later, causing death within the first year or in some cases
at an adult age. The most frequent signs are: periarticular subcutaneous nodules,
contractures (which account for painful clinical examination), hoarseness, neurological
symptoms, and sometimes hepatosplenomegaly.
Diagnosis is confirmed by assaying the activity of acid
ceramidase or by studying lysosomal ceramide catabolism in peripheral blood leucocytes or
cultured skin fibroblasts. Prenatal diagnosis is available. Currently there is no specific
therapy, and symptomatic treatment is based on antalgics, corticotherapy, and plastic
surgery. * Author: T. Levade, M.D. (May 2002) *
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