They can be detected by standard immunohistochemical staining using an antiserum raised against theophylline.
However, recent immunohistochemical studies have raised the possibility that neoplastic basophils express significant amounts of tryptase.
Here we analyze the prognostic relevance of histopathological grading and the immunohistochemical detection of p53 and p21/WAF1.
The microscopic findings of the resected mass showed a stromal cell component by immunohistochemical stain.
Immunohistochemical analysis of retinoblastoma protein expression revealed low levels of expression, but no histopathological signs of malignancy.