Fig. 1
Conjunctival carcinoma in situ; disease morphology. An example of an HPV DNA-positive lesion arising at the medial bulbar conjunctiva is shown in (a). The full clinical record notes this case as: Left eye: papilleroid, non-leukoplakic, red gelatinous in situ squamous cell carcinoma affecting the medial bulbar conjunctiva, plica, inferior fornix and inferomedial tarsal conjunctiva. An HPV DNA-negative tumour arising at the medial limbal conjunctiva is shown in (b). The full clinical record notes this case as: Left eye: Leukoplakic solitary raised nodule of keratinising in situ squamous cell carcinoma at the medial limbal conjunctiva with medial cornea extension, with tumour feeder vessels. Clinical details of all the tumours examined in this study are listed in Table 1
