Henoch-Schönlein purpura laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

There is no specific diagnostic test available for HSP. Platelet count, coagulation studies such as PT, aPTT, and BT are done to rule out other diseases like coagulopathies. They are usually normal. Urinalysis is done to check for any blood in the urine or proteinuria for renal involvement. Serum IgA levels are elevated in the majority of patients with HSP, and in patients with renal involvement higher IgA levels are detected.

Laboratory findings

References

  1. Calviño MC, Llorca J, García-Porrúa C, Fernández-Iglesias JL, Rodriguez-Ledo P, González-Gay MA (September 2001). "Henoch-Schönlein purpura in children from northwestern Spain: a 20-year epidemiologic and clinical study". Medicine (Baltimore). 80 (5): 279–90. PMID 11552081.
  2. Trygstad CW, Stiehm ER (June 1971). "Elevated serum IgA globulin in anaphylactoid purpura". Pediatrics. 47 (6): 1023–8. PMID 5003905.
  3. Davin JC, Ten Berge IJ, Weening JJ (March 2001). "What is the difference between IgA nephropathy and Henoch-Schönlein purpura nephritis?". Kidney Int. 59 (3): 823–34. doi:10.1046/j.1523-1755.2001.059003823.x. PMID 11231337.
  4. Lin Q, Min Y, Li Y, Zhu Y, Song X, Xu Q, Wang L, Cheng J, Feng Q, Li X (May 2012). "Henoch-Schönlein purpura with hypocomplementemia". Pediatr. Nephrol. 27 (5): 801–6. doi:10.1007/s00467-011-2070-z. PMID 22271365.

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