Which lab tests are performed in the workup of granuloma gluteale infantum (GGI)?

Updated: May 27, 2021
  • Author: Marlene T Dytoc, MD, PhD, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Answer

The following investigations may be performed to exclude other entities in the differential diagnoses for granuloma gluteale infantum:

  • Periodic acid-Schiff staining of biopsy specimens to rule out fungi

  • Potassium hydroxide slide mounts and fungal culture of biopsy specimens

  • Fite staining of biopsy specimens for acid-fast bacilli

  • Warthin-Starry stain of biopsy specimens for spirochetes

  • Polarizing microscopy of biopsy specimens for foreign bodies or crystals

  • Rapid plasma reagin test for syphilis


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