PRIMARY ORBITAL LESIONS

LESIONS

Frequency (n)

Proportion of primary Orbital lesions (%)

Proportion of total lesions (%)

Ocular

Retinoblastoma

Malignant melanoma

Dysthyroid eye disease

264

251

12

01

27.41

26.06

01.25

00.1

21.18

20.14

00.96

00.08

Inflammatory

Acute

Orbital cellulitis

Subperiosteal abscess

Orbital abscess

Epidural abscess

Posttraumatic panophthalmitis

Chronic

Nonspecific

Granulomatous

Tuberculous

Foreign body granuloma

Giant cell

Xanthogranuloma

173

29

13

07

01

01

56

33

25

04

03

01

17.96

3.01

1.35

0.73

00.1

00.1

5.81

3.43

2.60

0.42

0.31

00.1

13.88

02.32

01.04

00.56

00.08

00.08

04.49

02.65

02.00

00.32

00.24

00.08