Abstract
The observation through the transmission electron microscope on the follicular lymphoma, which appeared in the left side lower jaw and the same side cervical regions of a 41-year-old male, is as follows.1) The tumor cell consisting of a follicule exists close with one another and this tumor cell consists of three kinds of cells - - clear cell, dark cell and small lymphocytes.2) The nucleo-cytoplasmic ratio in the tumor cell is large, and pseudoinclusion bodies can be observed in the clear cells.3) The development of the tumor cells within the cytoplasmic organelle is various and in the dark cell exist various kinds of inclusion bodies.4) Each of the tumor cells comparatively exists rather smoothly and desmosome-like junction can not be observed, and the collagen fiber running a furnicular structure can be seen between the tumor cells.From the above mentioned findings, it is suggested that the tumor tissue considerably originates from the lymphathic cells.
