Table 2 Clinical presentations and histopathological features

From: Eyelid sebaceous carcinoma: Validation of the 8th edition of the American Joint Committee on cancer T staging system and the prognostic factors for local recurrence, nodal metastasis, and survival

Demographics 
 Male gender25 (40)
 Age (years)71 (38–94)
Tumour extent
 Upper eyelid26 (41)
 Lower eyelid24 (38)
 Conjunctiva16 (25)
 Both eyelids13 (21)
 Orbit11 (18)
 Paranasal sinus4 (6)
 Intracranium3 (5)
 Caruncle2 (3)
 Orbital wall2 (3)
 Lacrimal system2 (3)
 Nasal cavity1 (2)
Presenting sign
 Nodular56 (89)
 Lid thickening5 (8)
 Nodular mass+Lid thickening2 (3)
Histopathological features
 Pagetoid spread23 (37)
 Basaloid differentiation22 (35)
 Squamoid differentiation11 (18)
 Lymphatic invasion6 (10)
 Perivascular invasion5 (8)
 Perineural invasion4 (6)
Section margin
 Free40 (64)
 Very close7 (11)
 Not free16 (25)
Tumour growth pattern
 Comedo20 (32)
 Lobular40 (64)
 Papillary1 (2)
 Mixed2 (3)
  1. N (%); median (range)