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Ocular surface squamous neoplasia: analysis of 78 cases from a UK ocular oncology centre
  1. Anu Maudgil1,
  2. Trushar Patel1,
  3. Paul Rundle1,
  4. Ian G Rennie2,
  5. Hardeep Singh Mudhar3
  1. 1Department of Ophthalmology, Royal Hallamshire Hospital, Sheffield, UK
  2. 2Academic Unit of Ophthalmology & Orthoptics, The University of Sheffield, Sheffield, UK
  3. 3National Specialist Ophthalmic Pathology Service (NSOPS), Histopathology, Royal Hallamshire Hospital, Sheffield, UK
  1. Correspondence to Dr Anu Maudgil, Department of Ophthalmology, Royal Hallamshire Hospital, A-Floor, Sheffield S10 2JF, UK; anumaudgil{at}


Background/aims Ocular surface squamous neoplasia (OSSN) is a spectrum of disease, on which few large series have been published, none in particular, from the UK. The purpose of this study is to describe experience of this condition from a UK national ocular oncology centre, including statistical analysis to elucidate factors significant in recurrence.

Methods Retrospective review of case notes, clinical photographs and histopathology reports.

Results 78 cases were included, of which 10 (12.8%) recurred during the follow-up time (mean 37 months). The 1-year recurrence rate was 10.9%, and 5-year recurrence rate was 18.5% using Kaplan-Meier analysis, with a mean time to recurrence of 9.5 months. Significant factors in recurrence were tumour size and first treatment given. Grade of OSSN, including presence of invasive disease and positive biopsy margins were not found to be statistically significant in recurrence.

Conclusions OSSN in an uncommon disease in the UK population. However, when managed appropriately in a specialist centre, it is associated with good outcomes, even in recurrence situations.

  • Conjunctiva
  • Ocular Surface
  • Pathology

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