A light and ultrastructural study of rice bodies recovered from a case of date thorn-induced extra-articular synovitis

D. E. Muirhead, E. H. Johnson, C. Luis

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Rice bodies are most commonly found in inflammatory joints of patients with rheumatoid arthritis and have traditionally been considered to be a nonspecific response to inflammatory synovial disease. In the present study 18 rice bodies were found in the tibialis tendon sheath of a nine-year-old Omani boy subsequent to a date thorn injury. The rice bodies consisted of three major components: fibrin, collagen, and fibroblasts. In contrast to the findings of other authors there were no type A, B, or C synoviocytes cartilage or vascularisation of the rice body. At this extra-articulate site it would appear that rice bodies are composed chiefly of fibrin and that the fibrosis of the rice body occurs as a result of the entrapment of fibroblasts, which subsequently produce collagen. These findings shed doubt on the synovial origin of rice bodies and suggest that rice bodies may have multiple origins, depending on their location. This is the first ultrastructural study of rice bodies associated with a date thorn injury.

Original languageEnglish
Pages (from-to)341-347
Number of pages7
JournalUltrastructural Pathology
Volume22
Issue number4
Publication statusPublished - 1998

Fingerprint

Synovitis
rice
Fibroblasts
Collagen
Joints
Light
Tendons
Cartilage
fibrin
fibroblasts
collagens
Fibrin
Oryza
tendons
arthritis
fibrosis
cartilage
entrapment
Wounds and Injuries
sheaths

Keywords

  • Date thorn
  • Fibrin
  • Fibroblasts
  • Rice body
  • Synovitis
  • Ultrastructure

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Instrumentation
  • Structural Biology

Cite this

A light and ultrastructural study of rice bodies recovered from a case of date thorn-induced extra-articular synovitis. / Muirhead, D. E.; Johnson, E. H.; Luis, C.

In: Ultrastructural Pathology, Vol. 22, No. 4, 1998, p. 341-347.

Research output: Contribution to journalArticle

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