Table 4.
Tumor specific characteristics of 26 patients receiving photodynamic therapy for cancer of the oral cavity or oropharynx with oral cavity extension.
| PDT tumor characteristics | ||||||
|---|---|---|---|---|---|---|
| n° | Location | L/R | Subsite | Rec. or new tumor | TNM | Tumor grade |
| 1 | OC + OP | Left | Tonsillar fossa + trigonum retromolare | New primary | T2N0M0 | NOS |
| 2 | OC + OP | Midline | Soft palate + hard palate | New primary | T2N0M0 | Well-to medium diff |
| 3 | OP | Right | Base of tongue, vallecula | First rec. of first primary | T2N1M0 | Poorly differentiated |
| 4 | OP | Midline | Base of tongue, vallecula | New primary | T1N1M0 | Poorly differentiated |
| 5 | OP | Left | Tonsillar fossa, lateral wall | First rec. of first primary | TisN0M0 | Carcinoma in situ |
| 6 | OP | Midline | Soft palate | First rec. of first primary | T1N0M0 | NOS |
| 7 | OC | Midline | Hard palate | Second rec. of first primary | TisN0M0 | Carcinoma in situ |
| 8 | OP | midline | Soft palate | First rec. of first primary | T2N0M0 | NOS |
| 9 | OC + OP | right | Soft palate + trigonum retromolare | First primary | T1N0M0 | NOS |
| 10 | OC | left | Tongue | First rec of second primary | T2N0M0 | Poorly differentiated |
| 11 | OC | right | Trigonum retromolare, lateral tongue | New primary | T1N0M0 | Well-to medium diff |
| 12 | OP | midline | Posterior oropharynx | New primary | T2N0M0 | Well-differentiated |
| 13 | OP | right | Soft palate | First rec of second primary | T3N0M0 | NOS |
| 14 | OC | right | Hard palate, trigonum retromolare | Second rec. of first primary | T1N0M0 | Medium differentiation |
| 15 | OC | left | Hard palate, trigonum retromolare | Second rec. of first primary | T1N0M0 | NOS |
| 16 | OC | right | Trigonum retromolare | New primary | T1N0M0 | Well-to medium diff |
| 17 | OP | right | Soft palate | New primary | T2N1M0 | NOS |
| 18 | OC + OP | Left | Soft palate + trigonum retromolare | New primary | T3N0M0 | Well-to medium diff |
| 19 | OP | Right | Soft palate | New primary | T1N0M0 | NOS |
| 20 | OP | Right | Posterior oropharynx wall | New primary | T1N0M0 | NOS |
| 21 | OP | Right | Soft palate | New primary | TisN0M0 | Carcinoma in situ |
| 22 | OP | Right | Base of tongue + floor of mouth | First rec. of first primary | T3N0M0 | Well-differentiated |
| 23 | OC | Right | Floor of mouth | Second rec. of first primary | T3N0M0 | Verrucous carcinoma |
| 24 | OP | Left | Soft palate, lateral wall | New primary | T2N0M0 | Medium differentiation |
| 25 | OC | Left | Trigonum retromolare | First rec. of first primary | T1N0M0 | Medium differentiation |
| 26 | OP | Right | Posterior oropharynx | First rec. of first primary | T2N0M0 | Medium differentiation |
OC, oral cavity; OP, oropharynx; rec., recurrence; NOS, not otherwise specified; diff, differentiation.