Sites of synchronous malignancies (n, % among all synchronous malignancies)
|
-Oesophagus
|
41 (73.2)
|
-Lung
|
5 (8.9)
|
-Head and neck
|
3 (5.4)
|
-Other sites *
|
9 (15.5)
|
Sites of primary malignancies giving rise to synchronous malignancies (n, % among total number of patients with the primary malignancy)
|
-Hypopharynx
|
30 (27.3)
|
-Oral cavity
|
14 (3.9)
|
-Larynx
|
8 (6.3)
|
-Oropharynx
|
4 (5.3)
|
-Paranasal sinuses and nasal cavity
|
1 (3)
|
Rate of synchronous oesophageal malignancies (n, %)
|
41 (5.8)
|
Distribution in oesophagus: (n, % among all synchronous oesophageal malignancies)
|
-Upper 1/3 of oesophagus
|
14 (34.1)
|
-Middle 1/3 of oesophagus
|
11 (26.9)
|
-Lower 1/3 of oesophagus
|
16 (39)
|
Sites of primary malignancies giving rise to synchronous oesophageal malignancies (n, % among total number of patients with the primary malignancy)
|
-Hypopharynx
|
25 (22.7)
|
-Oral cavity
|
8 (2.2)
|
-Larynx
|
4 (3.2)
|
-Oropharynx
|
4 (5.4)
|
-Paranasal sinuses and nasal cavity
|
0 (0)
|
Stages of synchronous primary oesophageal malignancies (n, %)
|
-Stage 1
|
22 (53.7)
|
-Stage 2
|
4 (9.8)
|
-Stage 3
|
10 (24.4)
|
-Stage 4
|
5 (12.2)
|
Risk factors for synchronous oesophageal malignancies (Odds ratio)
|
-Male gender
|
14.89
|
-Smoker status
|
3.33
|
-Drinker status
|
26.14
|
-Primary hypopharyngeal cancer
|
10.59
|