Table 1.
Characteristics of 96 Japanese cases of Bochdalek hernias in adults, literature review (1999 − 2019)
| No. of patients 96 | |
|---|---|
| Age at diagnosis of adult Bochdalek hernia (years) | |
| Median (years) | 58 |
| Range (years) | 20 − 89 |
| Sex (male/female) | 38/58 |
| Hernia orifice location | |
| Right/left/NA | 18/73/5 |
| Size of the hernia orifice | |
| < 5 cm/≧ 5 cm/NA | 21/40/35 |
| Presenting symptoms | |
| Asymptomatic | 6 |
| Abdominal symptoms | 65 |
| Abdominal pain | 56 |
| Back pain | 5 |
| Abdominal distension | 4 |
| Pulmonary symptoms | 28 |
| Dyspnea | 19 |
| Chest pain | 11 |
| Obstructive symptoms | 42 |
| Vomiting | 31 |
| Nausea | 11 |
| Dysphagia | 3 |
| Others | 17 |
| Hernia contents | |
| Stomach | 46 |
| Colon | 40 |
| Omentum | 27 |
| Small intestine | 24 |
| Spleen | 20 |
| Liver | 6 |
| Pancreas | 4 |
| Kidney | 4 |
| NA | 5 |
NA not available