Table 3. Distribution of all head and neck cancers in Bhutan from 2011 to 2017 at the Jigme Dorji Wangchuk National Referral Hospital by its site and subsite.
| Head and neck cancer sites and subsites | Patient’s Sex | Total | |
|---|---|---|---|
| Male | Female | ||
| Cancer of the oral cavity | |||
| Anterior tongue | 8 | 12 | 20 |
| Buccal mucosa | 19 | 14 | 33 |
| Floor of mouth | 2 | 2 | 4 |
| Alveolus | 16 | 4 | 20 |
| Retromolar trigone | 2 | 1 | 3 |
| Hard palate | 4 | 3 | 7 |
| Lip | 4 | 4 | 8 |
| Upper GB sulcus | 2 | 0 | 2 |
| Subsite unknown | 5 | 0 | 5 |
| Total | 62 | 40 | 102 |
| Cancer of the oropharynx: | |||
| Base of tongue | 10 | 5 | 15 |
| Tonsil | 15 | 2 | 17 |
| Posterior pharyngeal | 3 | 0 | 3 |
| Subsite unknown | 5 | 4 | 9 |
| Total | 33 | 11 | 44 |
| Cancer of the larynx | |||
| Supraglottis | 24 | 7 | 31 |
| Glottis | 5 | 3 | 8 |
| Subglottis | 2 | 0 | 2 |
| Subsite unknown | 8 | 1 | 9 |
| Total | 39 | 11 | 50 |
| Cancer of the hypopharynx | |||
| Pyriform sinus | 40 | 11 | 51 |
| Post cricoid | 1 | 0 | 1 |
| Posterior pharyngeal | 0 | 1 | 1 |
| Subsite unknown | 6 | 2 | 8 |
| Total | 47 | 14 | 61 |
| Cancer of major salivary glands | |||
| Parotid | 2 | 12 | 14 |
| Submandibular | 1 | 1 | 2 |
| Subsite unknown | 0 | 1 | 1 |
| Total | 3 | 14 | 17 |
| Cancer of nasopharynx | 31 | 15 | 46 |
| Cancer of nose and sinuses | 12 | 16 | 28 |
| Cancer of the thyroid | 23 | 127 | 150 |
| Cancer of ear | 5 | 1 | 6 |
| Cancer of unknown primary | 7 | 5 | 12 |