Fig. 2From: Acute respiratory distress syndrome emerging after surgical debridement in a patient with extranodal natural killer/T cell lymphomaThe histopathology of the removed tonsil. Immunohistochemical stains showed positive reactivity for CD-2, CD3, CD30, CD56, c-Myc, TIA-1, and granzyme B. In situ hybridization for Epsteine Barr virus encoded RNA showed positive reaction in atypical cells. The Ki-67 proliferation index showed 80% nuclear stainingBack to article page