Figure 1 Incidence of complications assessed in patients with head and neck neoplasms submitted to conformational radiotherapy (3D), during treatment.

Figure 2 Relationship between the volumes of oral cavity and constrictor muscles of the pharynx irradiated and the development of dysphagia.

Figure 3 Relationship between the volumes of parotid glands and submandibular glands irradiated and the development of dry mouth.

Figure 4 Irradiated oral cavity and buccal mucosa volumes and the development of mucositis.

Figure 5 Relationship between the volume of oral cavity irradiated and the development of oral pain.

Figure 6 Relationship between the mean dose (Gy) received by each structure and the development of complications.

Sociodemographic characteristics Numbers (%)
Age (inyears)'60,2 ± 12,7 (38; 75)
Age group
< 50 yearsold  3 (27,0%)
50-64 years old 3 (27,0%)
> or =65 years old5  (46,0%)
Sex
Female  2 (18,0%)
Male  9 (89,0%)
Proftsion
Retired/Pensioner  4 (36,0%)
Autonomous  2 (18,0%)
Woodworker 1 (9,0%)
Realtor  1 (9,0%)
Bricklayer  3 (27,0%)
•Mun = standarddl\'iatioo (Ma.ximwn ;Minimwn)

Table 1. Sociodemographic profile of patients diagnosed with malignant lesions in the head and neck region attended at the Hospital de Câncer de Pernambuco.

Variables Numbers (%)
Smoking
Yes 8 (73,0%)
No 3 (27,0%)
Alcoholism
Yes 9 (82,0%)
No 2 (18,0%)

Table 2. Life habits of patients with diagnosis of malignant lesions in the head and neck region treated at the Hospital de Câncer de Pernambuco.

Clinical cha racteristics Numbers (%)
Tumor diagnosis
Squamous Cell Carcinoma 11 (100%)
Tumor Location
Oropharynx 6 (55,0%)
Larynx 2 (18,0%)
Oral cavity 2 (9,0%)
Rhinopharynx I (9,0%)
Degree of staging
I 0 (0,0%)
II 2 (18,0%)
m 2 (18,0%)
IV 7 (64,0%)
Chemotherapy
Yes 8 (73,0%)
No  3 (27,0%)
Surgery
Yes 4 (36,0%)
No 7 (64,0%)

Table 3. Clinical aspects of patients diagnosed with malignant lesions in the head and neck region treated at the Hospital de Câncer de Pernambuco.