A rare case of signet ring cell lymphoma: Diagnosis aided by immunofluorescent staining
Signet ring cell lymphomas are the proliferations of malignant lymphoid cells containing cytoplasmic vacuoles or globules which displace the nuclei, imparting it a signet ring appearance.This rare tumor is a variant of non-Hodgkin lymphoma.Signet ring appearance is due to cytoplasmic accumulation of immunoglobulin or vacuoles derived from multivesi