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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.

Objective: To evaluate if FNAC (Fine Needle Aspiration Cytology) is a useful tool in the detection of malignancy in thyroid surgery. FNAC is used routinely as a preoperative diagnostic technique and surgical strategy is often adapted. But is FNAC such a good technique in defining surgical strategy?, Methods: We retrospectively reviewed all files of 703 patients operated from 1997 till today. We obtained the results of the FNAC, the final pathological diagnosis and these data were analyzed., Results: There were 161 male and 542 female patients. 72 out 703 patients had a malignancy. 241 patients (34.3%) had a preoperative FNAC-procedure. Male patients had significantly more malignancies (p = 0.006). In 183 patients (75.9%) the FNAC was benign, 28 patients (11.6%) showed malignancy, in 15 patients (6.2%) only blood was found and 15 patients (6.2%) showed an inconclusive result. 70.1% of the patients were true negative, 5.8% were true positive, 5.8% false positive, 5.8% false negatives, 5.8% of inconclusive results were malignant on pathology. This gives a sensitivity of 50% and specificity of 92.4%., Conclusions: The specificity of FNAC in malignancy is high (92.4%) but a sensitivity of 50% is low. With these results adaptation of surgical strategy (hemithyroidectomy or total thyroidectomy) secondary to the results of the FNAC is not recommended. Free hand FNAC might be a reason for the relatively high percentage of inconclusive results. Ultrasound guided FNAC can improve the yield of the puncture. On top of that pathological interpretation of the cytology is not always straight forward.