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