AIMS: To describe the clinical features of orbital involvement arising from @entity3885 and to highlight key features to aid diagnosis. METHODS: A retrospective review of the case notes of 15 @entity1 who presented to three regional oculoplastics units over a 7-year period were reviewed. @entity1 demographics, clinical characteristics, relevant medical history, microbiology results, imaging, management and outcomes were assessed. RESULTS: The mean age of our @entity1 was 55   years. @entity158 was the presenting feature in 8 @entity1 while 14 presented with upper lid swelling and redness. This swelling was medial in 60% and diffuse in 40% of @entity1 . Proptosis was noted in 11 @entity1 . The correct diagnosis was suspected in only 53% of @entity1 at the time of first presentation to an ophthalmologist. The mean time from onset of symptoms to the time of correct diagnosis was 53   weeks (median 3   weeks). On direct questioning, eight @entity1 reported a previous history of intermittent upper lid swelling and eight @entity1 had a past history of @entity12476 . CONCLUSIONS: We present a large series of @entity1 with @entity50 presenting with orbital involvement. As @entity1 with this potentially life-threatening condition are often misdiagnosed, we hope this paper draws the ophthalmologist's attention to key pearls in the history and examination to make a prompt diagnosis.

Fronto-orbital mucocele and orbital involvement in XXXX .

@entity1 :: ('9606', 'Species') :: ['patients', 'Patient'] @entity3885 :: ('MESH:D008173', 'Disease') :: ['occult obstructive frontal sinus disease'] @entity158 :: ('MESH:D010146', 'Disease') :: ['Pain'] @entity12476 :: ('MESH:D015522', 'Disease') :: ['sinusitis or frontal sinus trauma'] @entity50 :: ('MESH:D012851', 'Disease') :: ['occult sinus disease']
@entity3885 :: (MESH:D008173,Disease) :: ['occult obstructive frontal sinus disease']
