Table 3

Summary of basic clinico-pathological features of extranodal NK/T-cell lymphoma, nasal type of head and neck region

Demographic data (From 31 cases)

Frequency

%


Age

- Range: 15-74 years

- Median: 42 years

- Mean: 45 years (SD 13)

Sex

- Male

23

74

- Female

8

26

- M/F ratio: 2.9


Major presenting clinical symptoms* (From 31 cases)

Frequency

%


Nasal obstruction

15

48

Rhinorrhea

4

13

Epistaxis

4

13

Fever

3

10

Dysphagia

3

10

Orbital swelling and pain

2

7

Blurred vision and headache

1

3

Epiphora

1

3

Chronic oral ulcer

1

3

Palatal mass

1

3


Morphologic patterns (From 22 cases)

Frequency

%


Lymphoma cell size

- Predominantly small

0

0

- Mixed small and medium-sized

2

9

- Predominantly medium-sized

6

27

- Mixed medium-sized and large

11

50

- Predominantly large

3

17

- Anaplastic

0

0

Angioinvasion

- Present

15

68

- Not identified

7

32

Tissue necrosis

- Present

21

95

- Not identified

1

5


* Some cases have more than one major presenting symptom

Pongpruttipan et al. Diagnostic Pathology 2011 6:79   doi:10.1186/1746-1596-6-79

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