Adnexal tumours (located on eyelids)
| I | Sweat glands: | ||
|---|---|---|---|
| (a) | Apocrine tumours: | ||
| Benign: | hidrocystoma | ||
| syringocystadenoma papilliferum | |||
| hidradenoma papilliferum | |||
| adenoma | |||
| cylindroma | |||
| Malignant: | adenocarcinoma (of the gland of Moll) | ||
| (b) | Eccrine tumours | ||
| Benign: | hidrocystoma | ||
| syringoma | |||
| chondroid syringoma (mixed tumour) | |||
| acrospiroma (clear cell hidradenoma) | |||
| spiradenoma | |||
| Malignant: | malignant forms of ‘benign eccrine tumours’ | ||
| primary mucinous carcinoma (adenocystic) | |||
| primary infiltrating signet ring carcinoma | |||
| sclerosing sweat duct carcinoma or syringomatous carcinoma | |||
| II | Pilar tumours (hair follicles) | ||
| III | Sebaceous tumours | ||
| IV | Lesions simulating primary adnexal tumours | ||