Enostosis (osteopoikylosis, bone islands) in medieval (14-15th centuries) skeletons

László G. Józsa, Gyula L. Farkas

Research output: Contribution to journalArticle


Enostosis (i.e. osteopoikylosis, bone islands, etc.) is a focus of mature cortical bone within cancellous bone. Bone islands are often recognized on radiographic pictures taken for other diagnostical purpose. The authors examined x-ray images of 652 long bones and 44 innominate bones of 124 adult skeletons from the 14-15th centuries AD. Six cases of enostoses were recognized (2 innominate bones, 2 fibulas, 1 femur head and 1 tibia). The biggest alteration was 22×9 mm, while most of the bone islands were 2-5 mm in size. Histological examination was performed in two cases. Microscopical view of one case showed lamellar (cortical) bone; in the other case woven bone structure was found. Enostosis of archeological bones can only be diagnosed performing routine radiographic examination.

Original languageEnglish
Pages (from-to)329-331
Number of pages3
JournalActa Biologica Szegediensis
Issue number2
Publication statusPublished - Dec 1 2008


  • Archeological material
  • Enostosis
  • Osteopoikylosis

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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