| Literature DB >> 7281499 |
I Bab, E Rosenmann, Z Ne'eman, J Sela.
Abstract
Mineralization in pulmonary alveolar microlithiasis was studied by transmission electron microscopy. The disease is characterized by psammoma like calcifications composed of hydroxyapatite crystals. The calcifications were surrounded by typical forming cells and matrix composed of collagen fibers arranged in a longitudinal pattern. Abundant calcifying extracellular matrix vesicles were found between the cells and the calcified fronts. The type of calcification found in the present lesion is similar to ectopic primary mineralization in other diseases, embryonal ossification and bone wound healing.Entities:
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Year: 1981 PMID: 7281499 DOI: 10.1007/BF00709168
Source DB: PubMed Journal: Virchows Arch A Pathol Anat Histol ISSN: 0340-1227