[Hyperostosis of the skull (author's transl)].

X-ray findings and the result of microradiographic examinations of hyperostotic processes of the skull (Osteomas, Meningioma, Fibrous Dysplasia, Morbus Paget) are described. The films permit a reliable diagnosis statement only in a few cases, because similar findings can be seen in different diseases. Microradiographic investigations demonstrate the microstructure of the tissue of hyperostotic processes. There are no specific findings typical for one disease alone, but there are qualitative and quantitative variations in the different diseases mentioned above. Microradiography gives information about morphology and dynamics in the transformation of the calvarium in the observed pathologic conditions.