The usefulness of infraorbital nerve enlargement on MRI imaging in clinical diagnosis of IgG4-related orbital disease

Koh Ichi Ohshima, Yuka Sogabe, Yasuharu Sato

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Purpose: To investigate the frequency of infraorbital nerve enlargement (IONE) in orbital lymphoproliferative disorders, and to show that IONE can contribute to the clinical diagnosis of IgG4-related orbital diseases (IgG4- ROD). Subjects and methods: 71 cases in which orbital lymphoproliferative disorders were diagnosed at Okayama Medical Center and Mitoyo General Hospital from April, 2004 to March, 2011 were investigated. The male-to-female ratio was 39:32, and the age range 27-87 years old (average age 64.1 years). Whenever the coronal section of the infraorbital nerve was larger than that of the optic nerve on MRI, it was defined as IONE. Results: The breakdown of the 71 cases was: 45 cases of non-Hodgkin lymphoma, 16 cases of IgG4-ROD, 5 cases of reactive lymphoid hyperplasia, and 5 cases of idiopathic orbital inflammation. Of these, a total of 9 cases had IONE. The incidence of IONE was compared between the IgG4- ROD patient group and the non-IgG4-ROD patient group and was significantly higher in the IgG4-ROD patient group (p <0.0001). Conclusion: If IONE is observed in a case of orbital lymphoproliferative disorders on MRI, then it is highly possible that such a case is IgG4-ROD.

Original languageEnglish
Pages (from-to)380-382
Number of pages3
JournalJapanese Journal of Ophthalmology
Volume56
Issue number4
DOIs
Publication statusPublished - Jul 2012

Fingerprint

Orbital Diseases
Immunoglobulin G
Lymphoproliferative Disorders
Pseudolymphoma
Optic Nerve
General Hospitals
Non-Hodgkin's Lymphoma
Inflammation
Incidence

Keywords

  • IgG4-related disease
  • IgG4-related orbital disease
  • Infraorbital nerve
  • Infraorbital nerve enlargement
  • Orbital lymphoproliferative disorders

ASJC Scopus subject areas

  • Ophthalmology

Cite this

The usefulness of infraorbital nerve enlargement on MRI imaging in clinical diagnosis of IgG4-related orbital disease. / Ohshima, Koh Ichi; Sogabe, Yuka; Sato, Yasuharu.

In: Japanese Journal of Ophthalmology, Vol. 56, No. 4, 07.2012, p. 380-382.

Research output: Contribution to journalArticle

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