Right-sided Bochdalek hernia with intrathoracic kidney

Congenital diaphragmatic hernia with intrathoracic kidney: case report, review of the literature, and strategy for treatment in neonates and infants

BACKGROUND

Congenital diaphragmatic hernia (CDH) is a rare developmental defect in the diaphragm, occurring in 2 in 10,000 births. Herniation of intraperitoneal organs through the diaphragmatic opening is always present, however few cases mention the herniation of retroperitoneal organs, such as a kidney. Due to the rarity of this condition, the optimal treatment strategy remains unclear.

METHODS

A PubMed search was conducted, gathering all published reports of CDH with intrathoracic herniation of the kidney. Cases of isolated intrathoracic kidney without CDH and cases of traumatic hernia were excluded. Patients who underwent surgical repair before the age of 5 years were included for further analysis.

RESULTS

Thirty-seven cases were found from 1970 to 2022. The approach used for surgical repair was not mentioned in 55.6% of cases. 52.9% of the remaining patients were treated through laparotomy, whereas in 23.5% a thoracoscopy was performed. A primary repair of the hernia was performed in 88.6%. A hernia sac was noted in 70%. Most patients had a normal origin of the renal vessels and reduction of the intrathoracic kidney was achieved in 78.8%. Moreover, we report a case of CDH with intrathoracic kidney treated through thoracoscopic repair.

CONCLUSION

A thoracoscopic approach is effective for the treatment of CDH with an intrathoracic kidney case with an associated intrathoracic kidney. A therapeutic strategy for CDH with intrathoracic kidney is suggested based on data from published cases.

Left-Sided Intra-thoracic Ectopic Kidney With Symptomatic Bochdalek Hernia: A Case Report

A congenital defect in the diaphragm, known as a Bochdalek hernia (BH), is a condition that allows herniation of the abdominal viscera into the thorax. BH is the most common type of congenital diaphragmatic hernia (CDH) and is typically detected on the left side. An ectopic kidney is a rare condition. An intra-thoracic ectopic kidney is an extremely uncommon condition. In adult patients, the presence of BH with an intra-thoracic kidney is extremely uncommon and is often a finding discovered unintentionally. A 51-year-old male patient presented to the outpatient unit of the pulmonology department. He stated that he had been suffering symptoms such as coughing, wheezing, and breathing difficulties for one year. A chest X-ray showed a well-defined radio-opaque lesion in the lower left zone. A computed tomography (CT) scan of the chest demonstrated a defect in the posterolateral region of the left hemidiaphragm, as well as herniation of the left kidney and retroperitoneal fat in the left hemithorax. The intra-thoracic ectopic kidney was found to be normal in size and showed normal attenuation and enhancement, with the contrast being promptly excreted into the pelvicalyceal system during CT urography. Due to the hernia's small size and lack of abnormalities on CT urography, the patient was recommended a conservative treatment. A follow-up examination was performed on the patient annually. Throughout the follow-up period, there was not a single episode of kidney-related issues. To avoid unwanted image-guided biopsies and surgical procedures, it is imperative to look for intra-thoracic kidneys in patients presenting with a thoracic mass or an elevated hemi-diaphragm.

Right-Sided Ectopic Intrathoracic Kidney Associated With Symptomatic Bochdalek Hernia in an Adult Indian Female: Case Report and Review of Literature

Bochdalek hernia is an inherited posterior lateral defect in the diaphragm that allows the abdominal organs to herniate into the thoracic cavity. In addition to being the most prevalent variety of congenital diaphragmatic hernia (CDH), it is also the type that is observed on the left hemithorax the majority of the time. Ectopic kidney is an uncommon condition, and the occurrence of ectopic intrathoracic kidney is even more uncommon, accounting for only a few of all the cases of renal ectopias. The occurrence of intrathoracic kidney associated with Bochdalek hernia is infrequent among adult individuals and is typically an incidental finding. A 52-year-old obese female patient presented to the pulmonology outpatient unit and reported experiencing the symptoms of coughing, wheezing, and difficulty in breathing since three years. A chest radiograph revealed an elevated dome of the diaphragm on the right side. A computed tomography (CT) of the chest revealed a defect in the posterior aspect of the right hemi-diaphragm with herniation of the right kidney and retroperitoneal fat into the right hemi-thorax. CT urography showed normal size and enhancement of the intrathoracic kidney with prompt excretion of contrast into the pelvicalyceal system. With regard to the small size of the hernia and considering the absence of complications on CT urography, a conservative treatment was proposed to the patient. The patient was followed up every year. There was no occurrence of renal complications during the follow-up period. When evaluating patients with 'elevated hemi-diaphragm' or thoracic 'mass', it is essential to check for the presence of intrathoracic kidney to avoid undesirable surgical procedures and image-guided biopsies.

The role of point-of-care ultrasound in the management of neonates with congenital diaphragmatic hernia

In the last few years, current evidence has supported the use of point-of-care ultrasound (POCUS) for a number of diagnostic and procedural applications. Considering the valuable information that POCUS can give, we propose a standardized protocol for the management of neonates with a congenital diaphragmatic hernia (CDH-POCUS protocol) in the neonatal intensive care unit. Indeed, POCUS could be a valid tool for the neonatologist through the evaluation of 1) cardiac function and pulmonary hypertension; 2) lung volumes, postoperative pleural effusion or pneumothorax; 3) splanchnic and renal perfusion, malrotations, and/or signs of necrotizing enterocolitis; 4) cerebral perfusion and eventual brain lesions that could contribute to neurodevelopmental impairment. In this article, we discuss the state-of-the-art in neonatal POCUS for which concerns congenital diaphragmatic hernia (CDH), and we provide suggestions to improve its use. IMPACT: This review shows how point-of-care ultrasound (POCUS) could be a valid tool for managing neonates with congenital diaphragmatic hernia (CDH) after birth. Our manuscript underscores the importance of standardized protocols in neonates with CDH. Beyond the well-known role of echocardiography, ultrasound of lungs, splanchnic organs, and brain can be useful. The use of POCUS should be encouraged to improve ventilation strategies, systemic perfusion, and enteral feeding, and to intercept any early signs related to future neurodevelopmental impairment.

Ectopic right thoracic kidney associated with Bochdalek hernia as the cause of diagnostic confusion

A 61-year-old man who was a psychiatric patient and an alcoholic was admitted to hospital after a fall in his bathroom. He showed signs of hemorrhagic shock, and CT scans showed the presence of the right kidney and part of the right retroperitoneum in the right hemithorax, surrounded by liquid. Surgery showed that the right hemidiaphragm was intact and that no intraabdominal viscera prolapsed into thoracic cavity. The bleeding in the right retroperitoneum was evacuated. The surgical report also stated that "the right kidney and ureter were explored and no injuries or active bleeding were found". The patient died the third day after admission. Autopsy revealed a livid swelling covered with parietal pleura in the right half of the thoracic cavity, behind the costophrenic sinus, about 20 × 15x12 cm in size, filled with about 1500 ml of blood, with ectopic right kidney in the right half of the thorax, slightly rotated posteriorly and downwards. The kidney was smaller (80 g in weight), compared to the normally positioned enlarged left kidney (300 g). The right hemidiaphragm was also intact with small Bochdalek's foramen behind the posterior edge, with communication between the right retropleural and retroperitoneal spaces, through which intact elongated right renal artery (15 cm), vein (14 cm) and ureter were passing. The cause of death was hemorrhagic shock due to retroperitoneal bleeding, with coagulation disorder as possible contributing factor. Intrathoracic kidneys may pose many diagnostic and management dilemmas for clinicians and pathologists. Association between a Bochdalek hernia and an intrathoracic renal ectopia is very rare and may be confusing for doctors in different clinical situations.

Congenital Diaphragmatic Hernia with Intrathoracic Renal Ectopia: Thoracoscopic Approach for a Complete Anatomical Repair

Congenital diaphragmatic herniae (CDH) with associated intrathoracic ectopic kidneys are rare congenital anomalies, with a reported incidence of only 0.25%. The authors report a case of a 24-day-old baby girl who was diagnosed with a left-sided CDH on a chest X-ray taken for pneumonia. Computed tomography scan showed CDH hernia, containing small and large bowel and whole left kidney with adrenal gland. Thoracoscopic reduction in the bowel, kidney, and adrenal gland into the abdomen and primary closure of the defect was achieved with no complications. During investigation of the child, it was discovered that her maternal aunt had also had a left-sided congenital diaphragmatic hernia containing the kidney, which was treated via open surgery after birth; she subsequently developed renal cell carcinoma and required radical nephrectomy of that kidney during her third decade.

Rare case of thoracic kidney detected by renal scintigraphy

Intrathoracic kidney is a rare congenital abnormality with lowest frequency among all renal ectopias. Patients with thoracic kidneys are usually asymptomatic, and the condition is usually discovered incidentally during radiological evaluation for other conditions or during thoracic surgery. We report a case of a 62-year-old male who was referred to our department for renal scintigraphy for a nonvisualized left kidney on ultrasonography report. Both Tc-99m dimercaptosuccinic acid and diethylenetriaminepentaacetic acid scans revealed a left thoracic kidney which was confirmed by CT scan of the thorax and abdomen.

Laparoscopic repair of Bochdalek hernia with intrathoracic kidney in a 2-year-old child

Intrathoracic kidney with Bochdalek hernia is a very rare congenital anomaly. Some case reports have discussed repair by laparotomy or thoracotomy. We report a case in a child performed using a laparoscopic approach. A 2-year-old boy arrived at our hospital with gastric volvulus caused by a left-sided Bochdalek hernia. CT also showed a left-sided intrathoracic kidney. After conservative therapy for the volvulus, laparoscopic repair of the diaphragmatic hernia was performed. The key problem during the operation was the presence of the intrathoracic kidney. If direct closure of the hernia had been performed without the intrathoracic kidney having been relocated to the abdomen, a complete closure would have been impossible because of the renal vessels. After the intrathoracic kidney was relocated to the abdomen, the diaphragmatic defect was closed. The boy has been doing well without complications for 5 years, and CT reveals that the left-sided kidney is almost normally positioned.

An Unusual Cause of Mediastinal Mass — A Case Report and Literature Review of Intrathoracic Kidney

Posterior mediastinal mass is not an uncommon condition seen in clinical practice. It often generates anxiety among healthcare providers, as the most common cause of a posterior mediastinal mass is a neurogenic tumour which potentially can be malignant and carries serious consequences. A very rare but generally benign cause of such a mass is an intrathoracic ectopic kidney. Due to its rarity, literature on the intrathoracic kidney, its management, prognosis and complications is sparse and confined to case reports. We report a rare case of a two-month old baby who had a chest x-ray done for a prolonged cough and was found to have a posterior mediastinal mass, which was later diagnosed to be an intrathoracic ectopic kidney. The approach to mediastinal mass and literature review of an intrathoracic ectopic kidney and its complications are also discussed.

The intrathoracic kidney: should we fix it?

BACKGROUND

Intrathoracic kidney is a rare congenital anomaly, with only 13 cases reported in the pediatric age group over the past 25 years. The relevant literature is limited to individual case reports or small case series with no follow-up data. Both operative and nonoperative management has been advocated. We report our experience in the management of children with an intrathoracic kidney as well as the efficacy of nonoperative management in select patients.

METHODS

Five cases of intrathoracic kidney were collected prospectively since 1992 and carefully followed up long term.

RESULTS

Two children presented with acute respiratory distress and underwent right diaphragmatic hernia repair and nephropexy. Incidental diagnosis of a left intrathoracic kidney was made in 3 children. Long-term follow-up has demonstrated normal function and development of these kidneys in all 5 children with no late bowel herniation in the nonoperative group.

CONCLUSION

Intrathoracic kidney associated with bowel in the chest should undergo standard repair and nephropexy. An isolated intrathoracic kidney without evidence of bowel herniation can safely be observed. This is the largest pediatric series of intrathoracic kidney as well as the first to document the efficacy of nonoperative management with long-term follow-up.

[Thoracic congenital ectopic right kidney with diaphragmatic hernia: a rare developmental anomaly]

Ectopic intrathoracic kidney is a very rare congenital anomaly, which is often asymptomatic and discovered incidentally on chest radiography. Diagnosis of this ectopia in the neonatal period is extremely rare. We report the case of a female infant admitted for mild respiratory distress at birth in relation with maternofetal infection in whom a right posterior opacity on chest x-ray was diagnosed as intrathoracic kidney by sonography and chest CT scan. Diaphragmatic hernia could not be confirmed at this stage. At 2 months, the presence of air blebs on chest x-ray performed for viral bronchiolitis confirmed an associated right Bochdalek hernia. The infant, although asymptomatic, underwent surgery. The intrathoracic kidney was reduced into the abdominal cavity at the time of surgery. The postoperative course was uneventful and renal function was normal.

Right thoracic ectopic kidney in a child with breathing difficulties--sonographic diagnosis

Congenital intrathoracic ectopic kidney is a rare congenital abnormality that is usually found as an incidental lesion on chest radiographs. We report the case of a 6-month-old male with a 1-day history of breathing difficulties whose chest radiograph revealed a soft tissue right basilar mass. Further investigation utilizing ultrasound revealed a thoracic kidney. This case demonstrates the importance of sonography as a diagnostic tool in identifying thoracic kidneys in the pediatric age group.

Adult intra-thoracic kidney: a case report of bochdalek hernia

Introduction. Bochdalek hernia is a congenital posterior lateral diaphragmatic defect that allows abdominal viscera to herniate into the thorax. Intrathoracic kidney is a very rare finding representing less than 5% of all renal ectopias with the least frequency of all renal ectopias. Case Presentation. We report a case of a 62-year-old man who had a left thoracic kidney associated with left Bochdalek hernia. Abdominal X-ray and chest X-ray revealed dilated loops of the colon above left hemidiaphragm. Abdominal ultrasound (US) showed the right kidney with many fluid and esophytic cysts; left kidney was unfeasible to study because of the impossibility to find it. Computed Tomography (CT) basal scan demonstrated a left-sided Bochdalek hernia with dilatated colon loops and the left kidney within the pleural space. Magnetic Resonance (MR) confirmed a defect in left hemidiaphragm with herniation of left kidney, omento, spleen and colon flexure, and intrarotation with posterior hilum on sagittal plane. Conclusion. The association of a Bochdalek hernia and an intrathoracic renal ectopia is very rare, that pose many diagnostic and management dilemmas for clinicians. Our patient has been visualized by CT and MR imaging. A high index of suspicion can result in early diagnosis and prompt intervention with reduced morbidity and mortality.

Caecal perforation with faecal peritonitis - unusual presentation of Bochdalek hernia in an adult: a case report and review of literature

The improper fusion of the postero-lateral foramen of the diaphragm was first described by Bochdalek in 1848. The incidence of congenital diaphragmatic hernia varies from1:2000 to 1:5000 live births and Bochdalek hernias (BH) account for 75 to 85% of these. Although it is a well-known entity in neonates, it is occasionally discovered incidentally in adult patients. Until now, a total of around 100 cases of occult asymptomatic Bochdalek hernia have been reported. The symptomatic cases are encountered more rarely. Colon necrosis among the symptomatic cases was reported in some reports. We discuss the present case since we believe it to be, to the best of our knowledge, the first case of a Bochdalek hernia in an adult presenting with caecal perforation and faecal peritonitis and review the published literature about this rare condition.