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ISSN: 1731-5530
Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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2/2016
vol. 13
 
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Colon volvulus displaced into the chest – right-sided posttraumatic hernia or congenital malformation?

Dorota Toliczenko-Bernatowicz
,
Wojciech Dębek
,
Ewa Matuszczak

Kardiochirurgia i Torakochirurgia Polska 2016; 13 (2): 159-161
Online publish date: 2016/07/03
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Case report

A 13.5-year-old girl was admitted to the Pediatric Surgery Department from the Pediatric Department of the district hospital, where she was admitted the previous day, because of stomachache and vomiting. Thorough medical interview revealed blunt injury of the epigastrium caused by a ball a week ago, and an episode of stomachache and emesis a few months ago.
Physical examination revealed tenderness of the right epigastrium, significant reduction of the vesicular murmur on the right side of the chest and no peristalsis. Chest and abdomen X-ray examination revealed a loss of the right diaphragmatic outline, irregular radiolucency with a fluid level on the right side of the chest, collapsed right lung and mediastinal displacement to the left (Fig. 1).
The nasogastric tube was visualized inside the stomach, below the left diaphragmatic outline (Fig. 2). An additional computed tomography (CT) scan showed a small (several centimeters) defect of the right diaphragm and dislocation of the intestines and greater omentum into the chest and also liver displacement to the left (Fig. 3).
Aspartate transaminase (AST) and alanine transaminase (ALT) activity and the total concentrations of bilirubin and CRP were slightly elevated. Because of persistence of stomachache and volvulus symptoms, the patient was operated on. An upper midline laparotomy was used to access the abdominal cavity.
Herniation of the intestines and half of the stomach into the defect in the posterolateral part of the right dome of the diaphragm was revealed. The diaphragm was cut along the course of the right diaphragmatic artery and the volvulus of half of the stomach, the transverse and a large part of the ascending and descending colon and greater omentum was released. The diaphragmatic defect seemed oval-shaped, and the edge of the aperture was smooth (Fig. 4). There were no signs of necrosis or gastrointestinal perforation or other internal organ injuries. The diaphragmatic defect was closed with one layer of interrupted non-absorbable sutures. Drainage of the right pleural cavity was placed in the thorax and the lung was expanded. The postoperative period was uneventful. The pleural drainage and bladder catheter were removed on the 2nd postoperative day.
Chest X-ray performed on the 3rd post operative day did not show any features of the diaphragmatic hernia. The patient commenced oral intake on the 3rd postoperative day. Sutures were removed and the girl was discharged home on the 7th postoperative day.

Discussion

Most posttraumatic diaphragmatic ruptures are located on the left side of the diaphragm and are the result of lower elasticity and vulnerability of this side, and also of the liver anatomy.
Right-sided diaphragmatic rupture is usually associated with massive injury (44-94%) which results in liver, splenic and renal injuries and also pelvic and long bone fractures, large blood vessel injuries and head injuries [5].
A congenital diaphragmatic defect is usually located in the left part of the muscle. Only 5-10% of innate diaphragmatic defects are situated on the right side, and the symptoms are often atypical [6-8].
In our case the abdominal injury was mild, and it did not cause any specific internal organ injuries. The episode of stomachache and emesis a few months earlier might be a symptom of temporary herniation of the intestine into the congenital diaphragmatic defect.
In the case of a patient with suspicion of posttraumatic diaphragmatic rupture, X-ray examination of the chest and abdomen, performed with a nasogastric tube, is considered to be the standard of care [9-11]. In our patient, the X-ray of the chest did not exclude the possibility of right-sided diaphragmatic rupture.
Only CT of the chest and abdomen enabled 3 dimensional reconstruction and appropriate assessment of anatomical structures. According to the literature, the main cause of delay in diagnosis of posttraumatic hernia is no sign of dislocation of abdominal organs into the chest in radiological examination [3].
In the literature there are reports that in 8% of cases, the diagnosis of diaphragmatic rupture is missed from 18 days up to 15 years. An innate diaphragmatic defect, which could be the cause of the diaphragmatic hernia, might remain undiagnosed, as long as there is no herniation of the abdominal organs into the chest. In our case, the small innate defect of the diaphragm became a gateway for diaphragmatic herniation and the relatively mild injury caused dislocation of abdominal contents into the thorax with volvulus of the dislocated colon.

Conclusions

The innate diaphragmatic defect in our patient could have remained asymptomatic and undiagnosed without the posttraumatic herniation of the abdominal organs into the chest and subsequent volvulus.

Disclosure

Authors report no conflict of interest.

References

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Copyright: © 2016 Polish Society of Cardiothoracic Surgeons (Polskie Towarzystwo KardioTorakochirurgów) and the editors of the Polish Journal of Cardio-Thoracic Surgery (Kardiochirurgia i Torakochirurgia Polska). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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