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THOR reports returned by OPs and GPs provide a valuable source of information of workplace injury data, and complement other sources of information, such as the Reporting of Injuries, Diseases and Dangerous Occurrences Regulations and the Labour Force Survey.

Entrapment of the flexor digitorum profundus (FDP) tendon following radius and ulna midshaft paediatric forearm fractures has been reported rarely in the literature. To date, 19 cases have been described. A characteristic fracture pattern, persistent cortical defect at the fracture site and flexion contracture not responsive to hand therapy are all hallmarks of the condition. We present a case along with a review of the literature. A 12-year-old boy underwent exploration of a primary right open radius and ulna fracture site 22 months following initial open reduction and titanium elastic nail system (TENS) fixation. The little finger FDP tendon was found interposed between the ulna bone with a significant defect in the cortical surface of the ulna, correlating with a lucency identified on plain radiograph preoperatively. Removal of all interposed tissue, debridement of the bone edges and Pulvertaft tendon weave of the FDP of the little finger to the ring finger were performed. The patient recovered full upper limb function. Clinicians should be vigilant to identify this complication when managing patients with forearm fractures. A thorough clinical examination pre-and post-open or closed forearm fracture reduction should be performed to ensure early recognition of this rare complication. If the tenodesis effect and post-operative adhesions cannot be adequately released by therapy, interposition of the tendon at the fracture site should be considered as a differential diagnosis. If the complication is suspected, early operative intervention should be performed to ensure optimal fracture healing and restoration of function.

IntroductionWe present a case of an extra-luminal haematoma following routine colonoscopy. This case highlights an uncommon but potentially life threatening complication in which there is little published literature to date.Presentation of caseA 73 year old male presented with abdominal pain and a reduction in haemoglobin following an uneventful colonoscopy. The imaging had been required as part of colorectal cancer follow up. Initial differential diagnosis included colonic perforation and the patient was admitted for further investigations.Same day CT scan imaging revealed an extra-luminal haematoma in the mid descending colon. The patient was managed non-operatively and was discharged with antibiotics following a period of observation.DiscussionColonoscopy is a highly effective imaging modality for direct visualisation of the lower gastrointestinal tract and for simultaneous diagnostic or therapeutic interventions. In recent years the use of colonoscopy has increased greatly, this is largely due to an increasingly aging population, increased availability of the resource and as a consequence of the implementation of the Bowel Cancer Screening Programme. Extra-colonic bleeding following colonoscopy is rare. Causes that have been identified in the literature include splenic injury, mesenteric tears, hepatic injury and retroperitoneal haemorrhage. To the authors' knowledge, there is very little published literature specifically on isolated peri-colonic haematomas following colonoscopy.ConclusionThis case highlights an unusual but potentially life threatening complication following colonoscopy. Endoscopists and clinicians should be aware of the diagnosis to allow for early recognition and appropriate management.

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