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Linear IgA disease associated with lymphocytic colitis.

Abstract
A 66-year-old woman presented with a bullous skin eruption and chronic diarrhoea. Lesional skin showed subepidermal blistering, and direct immunofluorescence of perilesional skin revealed linear deposits of IgA at the dermoepidermal junction, establishing a diagnosis of linear IgA disease (LAD). Chronic watery diarrhoea complicated by substantial loss of body weight preceded the skin eruption for several months. On endoscopy, the colon appeared macroscopically normal. On histology, the colon mucosa showed increased numbers of intraepithelial lymphocytes and infiltrates of mononuclear cells in the lamina propria, indicative of lymphocytic colitis. Treatment with methylprednisolone and dapsone led to complete clearing of the bullous skin eruption and marked improvement of the patient's diarrhoea. Gastrointestinal disorders such as lymphocytic colitis have rarely been reported in patients with LAD. Whether the simultaneous occurrence of these two diseases is coincidental or due to related pathogenetic mechanisms remains to be seen.
AuthorsO Swensson, E Stüber, T Nickel, M Sticherling, R F Ghohestani, R Nitsche, E Christophers
JournalThe British journal of dermatology (Br J Dermatol) Vol. 140 Issue 2 Pg. 317-21 (Feb 1999) ISSN: 0007-0963 [Print] England
PMID10233230 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Immunoglobulin A
  • Methylprednisolone
Topics
  • Aged
  • Colitis (complications, drug therapy)
  • Female
  • Humans
  • Immunoglobulin A (analysis)
  • Lymphocytosis (complications, drug therapy)
  • Methylprednisolone (therapeutic use)
  • Skin Diseases, Vesiculobullous (complications, drug therapy, immunology)

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