a neurofibroma tissue sample in neurofibromatosis genetic disease, light micrograph

photomicrograph neurofibromatosis microscope genetic disorder cellular structure medical condition microscopy histology neurofibromas tissue examination disease diagnosis scientific research histopathology nf1 nf2 nerve tumors cell abnormalities pathology microscopic view healthcare health detail anatomical biology imaging science micrograph light sample slide biopsy neurofibroma schwann cells fibroblast spindle shaped stroma myxoid nuclei