Fig. 3From: Peripheral neuropathy associated with chronic lymphoproliferative disorders of natural killer cells (CLPD-NK): a case report and literature reviewSural nerve biopsy. HE staining demonstrated a plethora of lymphocytes that infiltrated into nerve fascicles (A&B). Immunohistochemical staining and analysis demonstrated the major cells strongly expressed CD56 (C), indicating NK cell immunotype. There was also a small number of CD3 positive cells, which might be T lymphocytes (D)Back to article page