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Background: Paraneoplastic secretion of beta-subunit of human chorionic gonadotropin ( β -HCG) in pulmonary carcinoma is rare. Case Presentation . A 65-year-old man presented with bilateral gynaecomastia with abnormally high levels of β -hCG and elevated oestradiol, progesterone, and testosterone levels on April 7, 2023. After excluding testicular malignancy, CT scan of the chest and abdomen revealed bilateral pulmonary lesions. Transthoracic biopsy confirmed malignancy with choriocarcinoma. MRI of the brain showed a solitary brain metastasis, while on a subsequent 18F-FDG PET/CT, no other metastatic lesions were seen. The patient was treated with chemoimmunotherapy carboplatin-etoposide-pembrolizumab with good partial response., Conclusion: Our case of a presumably stage IV dedifferentiated mNSCLC presenting as an extragonadal β -hCG secreting pulmonary choriocarcinoma is a very rare tumor with a poor prognosis. Its biology, origin, and treatment remain to be elucidated. Cancer genome sequencing is necessary for the identification of the origin and seeking treatment., Competing Interests: The authors declare that they have no conflict of interest., (Copyright © 2024 Brecht Devos et al.)

A stercoral rectal perforation is an uncommon cause of acute abdominal pain with only limited cases documented in medical literature. Timely and accurate imaging is essential when this condition is suspected, and immediate surgical intervention is imperative upon confirming the diagnosis of bowel perforation. Usually, the definitive diagnosis of a stercoral rectal perforation is established intraoperatively and a Hartmann procedure with (temporary) end colostomy is performed. In this case report, we present our first-hand experience in managing a stercoral rectal perforation, highlighting the importance of early diagnosis and rapid surgical intervention to achieve favorable outcomes., Competing Interests: The authors have no conflicts of interest to declare., (Published by Oxford University Press and JSCR Publishing Ltd. © The Author(s) 2024.)

Background: Pseudoaneurysm (PA) with associated arteriovenous fistula (AVF) is a rare delayed bleeding complication, occurring in less than 1% of patients after percutaneous nephrolithotomy (PNL). Case presentation . A 54-year-old man underwent PNL on February 28, 2023, for a large renal calculus in the right kidney lower pole, with postoperative delayed bleeding: macroscopic hematuria and bladder clot retention after 3 weeks. An iatrogenic PA and AVF were diagnosed after the failure of conservative measures. The patient was successfully treated with superselective angioembolization (SAE) under local anesthesia., Conclusion: Late hemorrhagic complications after PNL can be severe. Rapid identification of a renal PA and AVF with SAE has a high success rate and low complication rate, avoiding prolonged hospitalization time and major renal surgery for this patient., Competing Interests: The other authors declare that they have no conflict of interest., (Copyright © 2023 Brecht Devos et al.)