Immunopathology of pityriasis lichenoides acuta.

  title={Immunopathology of pityriasis lichenoides acuta.},
  author={J. E. Muhlbauer and Atul K. Bhan and T J Harrist and R A Moscicki and Rhonda Rand and W Frank Caughman and B Loss and Martin C. Mihm},
  journal={Journal of the American Academy of Dermatology},
  volume={10 5 Pt 1},
Eleven biopsy specimens (five papules and six dusky or crusted lesions) from four patients with pityriasis lichenoides et varioliformis acuta ( PLEVA ) were studied by direct immunofluorescence and immunoperoxidase technics. Slight vascular deposits of IgM and C3 were present in most lesions. Slight perivascular deposits of fibrin were observed in early lesions; more extensive perivascular and interstitial deposits of fibrin were detected in advanced lesions. Most of the infiltrating cells were… CONTINUE READING