Brief Report: Nuclear Bodies of Normal and Pathological Human Lymph Node Cells: An Electron Microscopic Study

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Abstract
Nuclear bodies in normal and pathologic human lymph node cells have been examined with the electron microscope and their structure has been illustrated and described. In normal lymph node cells, nuclear bodies are 0.3-0.5 microns in diameter, are slightly less electron dense than the nucleolus, and consist of peripheral fibrillar material with centrally located, dense granules, 200-400 Å in diameter. Morphologically abnormal nuclear bodies have been observed in a case of Hodgkin’s disease. The appearance of these atypical bodies would suggest either contact and fusion of two or more atypical bodies, or possibly the existence of single, large, irregular bodies.