Clinical data of 35 patients with megarectum
| Sex | 20 male | 15 female (ratio 1.3:1) |
| Main diagnosis | Idiopathic megarectum | 24 (68.6%) |
| Anorectal malformation and megarectum | 11* (31.4%) | |
| Age at diagnosis | Median age at diagnosis | 8 years (range 2–25 years) |
| Other diagnoses | Psychobehavioural diagnosis | 7† (20.0%) |
| Developmental delay, premature birth, epilepsy, diabetes, hypermobility syndrome | Each category has 2 or fewer | |
| Diagnostic imaging | Number of patients with available imaging for review‡ | 20 (57.1%) |
| Median rectal diameter on imaging | 8.5 cm (range 5.3–19.0 cm) | |
| Anorectal physiology | Number of patients with Anorectal physiology results for review | 15 |
| Operative details | Median age at operation | 13 years (range 2–48 years) |
| Anterior resection§ | 26 (74.3%) | |
| Vertical reduction rectoplasty | 7 (20.0%) | |
| Anterograde continence enema surgery | 4 (11.4%) |
*Includes patients with sacrococcygeal teratoma (Currarino triad), VACTERL association (vertebral defects, anal atresia, cardiac defects, tracheo-oesophageal fistula, renal anomalies and limb abnormalitie) and Turner’s syndrome (2 or fewer each).
†Includes Asperger’s syndrome.
‡Includes 18 plain radiographs, 8 defaecating proctograms, 2 CT and 1 MRI scan.
§Includes 7 patients with extended resections including sigmoid or left hemicolon; defunctioning loop ileostomy used as routine (some patients had stoma prior to surgery).