Elsevier

Ophthalmology

Volume 121, Issue 6, June 2014, Pages 1304-1309
Ophthalmology

Original article
Clinical and Imaging Features Predictive of Orbital Granulomatosis with Polyangiitis and the Risk of Systemic Involvement

https://doi.org/10.1016/j.ophtha.2013.12.003Get rights and content

Objective

Granulomatosis with polyangiitis (GPA), previously Wegener's granulomatosis, requires prompt diagnosis and systemic review to exclude life-threatening disease. However, early diagnosis of orbital GPA may be difficult because anti–neutrophil cytoplasmic antibody (ANCA) and anti-PR3 antibody screening can be negative at presentation and orbital biopsies taken for diagnosis may not show the classic features of GPA. This study was designed to compare GPA with other causes of orbital inflammation and to identify the presenting clinical and imaging features most likely to predict GPA and its systemic spread.

Design

Retrospective noninterventional comparative case series.

Participants

A total of 247 patients who had undergone orbital biopsies for clinical presentations with orbital inflammation were identified from the Institute of Ophthalmology pathology database.

Methods

Patients were divided into GPA and non-GPA groups on the basis of their final clinical diagnosis. Clinical and imaging features of these 2 groups were compared to determine those predictive of GPA, and patients with GPA also had long-term evaluation for systemic involvement.

Main Outcome Measures

A diagnosis of orbital GPA and development of systemic GPA were the main outcome measures.

Results

Features highly suggestive of GPA were sinonasal symptoms, sinonasal changes, or paranasal bone erosion on imaging (P < 0.001). Bony erosion was independent of ANCA status or systemic involvement. Twenty-two percent of patients (8/37) with GPA had evidence of systemic involvement at presentation, and no patient presenting with solely orbital GPA developed later systemic disease over a median follow-up of 2.7 years.

Conclusions

A high index of suspicion should be maintained for GPA when a patient presents with an orbital mass and sinonasal symptoms or imaging shows sinonasal involvement or paranasal bone erosion. No patient with solely orbital GPA involvement at presentation developed systemic disease, suggesting that orbital GPA can remain localized in the long-term.

Section snippets

Methods

Ethical approval was obtained from the Moorfields and Whittington Research Ethics Committee for a retrospective noninterventional study of patients who had an orbital biopsy for orbital inflammatory disease at Moorfields Eye Hospital over a 21-year period.

Patient demographics and clinical data were gathered from clinical records, including the presenting signs and symptoms, imaging features, ANCA status, final orbital diagnosis, evidence of systemic involvement, treatment, and follow-up

Results

Complete clinical and pathologic records were available for 247 patients undergoing biopsy for orbital inflammation, for whom imaging was available in 165 (67%). Thirty-seven patients (15%) had a final diagnosis of GPA; of the 210 patients without GPA, the final diagnosis was idiopathic orbital inflammatory disease (n = 70; 33%), dacryoadenitis (n = 33; 16%), sarcoidosis (n = 19; 9%), lymphoid hyperplasia (n = 11; 5%), atypical thyroid eye disease (n = 11; 5%), lymphoma (n = 7; 3%), and various

Discussion

Granulomatosis with polyangiitis often is a multisystem disorder that can affect almost any organ, although localized disease without renal involvement has been recognized as a distinct subtype, and, more recently, there has been recognition of disease restricted to the eye and periocular tissues.13, 15, 20, 21 Orbital involvement is uncommon but can lead to devastating complications with reduced orbital functions, visual loss, and facial deformity. The clinical features of orbital disease are

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    Financial Disclosure(s): The author(s) have no proprietary or commercial interest in any materials discussed in this article.

    Funding: G.E.R. receives some funding from the National Institute of Health Research (NIHR) Biomedical Research Centre at Moorfields Eye Hospital, NHS Foundation Trust, and UCL Institute of Ophthalmology. C.D.P. receives support from the Imperial NIHR Biomedical Research Centre. The sponsor or funding organization had no role in the design or conduct of this research.

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