Fibrous ankylosis

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Fibrous ankylosis is a fibrous connective tissue process which results in decreased range of motion.[1] Symptoms present as bony ankylosis, in which osseous tissue fuses two bones together reducing mobility, which is why fibrous ankylosis is also known as false ankylosis.

Pathology may be the result of trauma, disease, chronic inflammation, or surgery.

Some research suggests fibrous ankylosis may precede the development of bony ankylosis [2]


  1. ^ Chabner, Davi-Ellen. (2007). The Language of Medicine (8th ed.). Saunders Elsevier, St. Louis, MO, USA.
  2. ^ Ikeno, Hidenori, Matsumura, Hirofumi, Murakami, Gen, Sato, Toshio J., and Ohta, Makoto. Which morphology of dry bone articular surfaces suggests socalled fibrous ankylosis in the elderly human sacroiliac joint? Anatomical Science International (2006) 81, 39–46.