International Journal of Surgery Case Reports最新文献

{"title":"Reconstruction of a neglected extensor hallucis tendon rupture with an iliotibial band autologous graft: case report.","authors":"Yusufa Fil Ardy, Muhammad Bayu Zohari Hutagalung, Andre Triadi Desnantyo","doi":"10.1097/RC9.0000000000000886","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000886","url":null,"abstract":"<p><strong>Background: </strong>Injury to the lower extremity, especially rupture of the extensor hallucis longus (EHL) tendon, is relatively rare. This case report presents a neglected case of EHL tendon rupture with a 10 cm gap, treated with a novel graft source - the iliotibial band (ITB) - using the Pulvertaft technique.</p><p><strong>Case report: </strong>A 34-year-old man presented with a previous rupture of the EHL tendon of his right great toe, with a 10 cm gap, 12 months before admission, for which a primary repair had already been performed immediately after the trauma. The pain persisted even 6 weeks post-surgery; therefore, after clinical and ultrasound evaluation, we found a rupture of the EHL tendon with the gap filled with fibrotic tissue. We performed a tendon graft for EHL reconstruction using the ITB with the Pulvertaft technique, which showed a good postoperative result.</p><p><strong>Discussion: </strong>Rupture of the EHL has proved to be troublesome, and the management of this case can be performed by direct repair in the acute setting or by tendon transfer or tendon graft. It should be performed properly to restore function.</p><p><strong>Conclusion: </strong>After the tendon grafting was performed, intraoperative evaluation found that there was no lag in the gliding of the tendon as it passed through the extensor retinaculum, and the excursion of the tendon was preserved.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3879-3884"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544725/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-term functional outcome after conservative management of a fingertip amputation with exposed bone, using a semi-occlusive dressing: a case report.","authors":"Eladio Collado-Boira, Luis Aguilella-Fernández, Pablo Salas-Medina","doi":"10.1097/RC9.0000000000000871","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000871","url":null,"abstract":"<p><strong>Introduction and importance: </strong>Semi-occlusive dressings are established for selected fingertip amputations with exposed bone. Because this treatment is well described, the value of single-case reports depends on documenting the course, limitations, and long-term sequelae.</p><p><strong>Case presentation: </strong>A 47-year-old right-hand-dominant man presented to primary care after a mandoline-slicer injury causing partial amputation of the right little fingertip, with an exposed distal phalanx and a preserved nail bed, clinically consistent with an Allen type II injury. A transparent, semi-occlusive polyurethane dressing was applied and changed weekly. No systemic antibiotics were prescribed.</p><p><strong>Clinical discussion: </strong>The exposed bone was clinically covered by week 4, and near-complete pulp reconstruction was observed by week 6. At a 6-year in-person follow-up, following telephone contact, the patient reported no sick leave, pain 0/10, no cold intolerance, a complete active range of motion, and no secondary surgery, infection, or clinical evidence of osteomyelitis. The QuickDASH score was 2.3/100. Sequelae included a mild reduction in temperature and pressure perception, minor typing adaptation, and a subtle lateral nail-growth alteration of approximately 2 mm.</p><p><strong>Conclusion: </strong>This single selected case documents a favorable 6-year outcome after conservative management. No general conclusion regarding treatment effectiveness can be drawn from a single case.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3885-3888"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544702/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neurogenic ST-segment elevation following acute ischemic stroke with hemorrhagic transformation: a case report.","authors":"Osman Farah Dahir, Abdiwahid Ahmed Ibrahim, Ismail Gedi Ibrahim, Farah Abdullahi Ismail, Mohamed Sheikh Hassan, Said Abdirahman Ahmed","doi":"10.1097/RC9.0000000000000898","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000898","url":null,"abstract":"<p><strong>Background: </strong>Neurogenic ST-segment elevation is a rare but clinically significant cardiac manifestation that can occur after acute ischemic stroke with hemorrhagic transformation. It may closely mimic acute ST-elevation myocardial infarction (STEMI), leading to potentially inappropriate diagnostic or therapeutic interventions.</p><p><strong>Case presentation: </strong>We report on a 46-year-old man who presented with right-sided weakness and expressive aphasia for 1 day. He had a history of untreated hypertension. On admission, vital signs were notable for a BP of 190/100 mmHg and an HR of 100 bpm. The ECG revealed ST-segment elevation in leads V1-V4. Brain MRI confirmed an acute left parietotemporal ischemic stroke with hemorrhagic transformation. Echocardiography showed preserved left ventricular function with mild hypertrophy. Laboratory tests revealed elevated troponin and BNP levels. Given stable hemodynamics and the absence of regional wall motion abnormalities, cardiology recommended conservative management with close monitoring.</p><p><strong>Management and outcome: </strong>The patient received antihypertensive therapy, mannitol infusion, head-of-bed elevation, and physiotherapy. Serial ECG monitoring demonstrated resolution of ST-segment elevation by day 5. Neurological improvement was progressive, and the patient was discharged after 8 days with follow-up recommendations.</p><p><strong>Discussion: </strong>This case highlights a reversible pattern of ST-segment elevation secondary to neurogenic myocardial injury following acute ischemic stroke with hemorrhagic transformation. Recognition of this phenomenon is essential to avoid misdiagnosis and unnecessary cardiac interventions.</p><p><strong>Conclusion: </strong>In patients with acute ischemic stroke and hemorrhagic transformation presenting with ECG changes suggestive of STEMI, integrated neurological and cardiac assessment with serial ECG and biomarker monitoring is crucial to guide safe management and prevent iatrogenic harm.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3946-3951"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544848/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In-hospital progression to incarceration of a known peritoneal dialysis catheter-site incisional hernia: a diagnostic dilemma in a patient with recurrent uremic gastropathy.","authors":"Salina Subedi, Sushan Ghimire, Sushil Mishra, Mrigendra Raj Pandey","doi":"10.1097/RC9.0000000000000904","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000904","url":null,"abstract":"<p><strong>Introduction and importance: </strong>An incisional hernia at a continuous ambulatory peritoneal dialysis (CAPD) catheter site is a well-recognized complication, with a reported incidence of 12%-40%. Incarceration of such a hernia can be life-threatening.</p><p><strong>Case presentation: </strong>A 32-year-old woman with end-stage kidney disease (ESKD) on CAPD for a year, with a reducible CAPD-site hernia, presented with recurrent epigastric pain, nausea, and vomiting. Initial differential diagnoses included uremic gastropathy, acute pancreatitis, and peptic ulcer disease. Because the symptoms were nonspecific, the hernia was reducible, and the patient refused any investigations and interventions, conservative management was initially pursued. Serial clinical reassessment demonstrated progression of the hernia to an irreducible state. Abdominal radiography showed multiple air-fluid levels, and contrast-enhanced computed tomography revealed a small-bowel obstruction due to an incarcerated CAPD-site incisional hernia. The patient underwent emergency laparotomy with release of the obstruction, on-lay mesh repair, and CAPD catheter removal, with subsequent transition to hemodialysis. Follow-up was uneventful, with satisfactory wound healing, no hernia recurrences, and a functional arteriovenous fistula.</p><p><strong>Discussion: </strong>In patients with ESKD, gastrointestinal symptoms may overlap with evolving surgical pathology. This case illustrates the in-hospital progression of a previously reducible CAPD-site hernia to acute incarceration, complicated by uremic gastrointestinal symptoms and the patient's refusal of investigations.</p><p><strong>Conclusion: </strong>Clinicians should maintain a low threshold for clinical evaluation, imaging, and surgical evaluation in patients with ESKD and a previously known hernia.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3940-3945"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544694/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Primary gastric melanoma in an Asian patient: a rare case report of early detection and therapeutic uncertainty.","authors":"Binh V Pham, Nam H Ha, Van T Ta, Hoa T T Nguyen","doi":"10.1097/RC9.0000000000000899","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000899","url":null,"abstract":"<p><strong>Introduction and importance: </strong>Primary gastric melanoma (PGM) is an exceedingly rare malignancy, especially in Asian populations, that presents major diagnostic and therapeutic dilemmas.</p><p><strong>Presentation of the case: </strong>We report the case of a 53-year-old Vietnamese man who presented with only vague epigastric discomfort. During a routine esophagogastroduodenoscopy, a small pigmented lesion was incidentally discovered in the stomach. An initial biopsy confirmed the presence of malignant melanoma, supported by immunohistochemical positivity for SOX10. A subsequent comprehensive workup - including dermatological and ophthalmological evaluations and comprehensive systemic imaging - found no other primary melanocytic sites, thereby fulfilling three of Blecker's criteria. A total laparoscopic gastrectomy with D2 lymphadenectomy was performed. Postoperative histopathology showed no residual tumor in the gastric specimen or in any of the lymph nodes examined.</p><p><strong>Clinical discussion: </strong>The absence of established treatment standards for PGM necessitated a complex multidisciplinary discussion. Key questions centered on balancing oncologic radicality (total gastrectomy, D2 lymphadenectomy) with patient quality of life, especially given the likelihood of complete excision at the time of the initial biopsy. The finding of no residual disease post-resection complicated the indication for adjuvant systemic therapy. The diagnosis was supported by SOX10 staining and the fulfillment of Blecker's criteria (pending completion of the 6-month surveillance period). The upfront radical approach, though potentially excessive, preempted the need for a second operation to confirm pathological clearance.</p><p><strong>Conclusion: </strong>This report contributes to the limited literature on PGM, highlighting the importance of early detection, multidisciplinary discussion, and long-term follow-up in such rare presentations.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3960-3963"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544781/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Totally endoscopic beating-heart redo tricuspid valve replacement using a frame-preserving strategy: a case report.","authors":"Sinh Hien Nguyen, Nguyen Anh Huy, Vu Van Ba, Thanh Hung Ngo","doi":"10.1097/RC9.0000000000000818","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000818","url":null,"abstract":"<p><strong>Background: </strong>Redo tricuspid valve surgery for structural bioprosthetic degeneration is technically challenging and carries substantial operative risk, particularly after previous sternotomy. Totally endoscopic approaches may reduce re-entry-related morbidity, but experience in redo tricuspid surgery remains limited. In selected cases, preserving a well-incorporated bioprosthetic frame may avoid extensive annular dissection.</p><p><strong>Case presentation: </strong>A 46-year-old man presented with progressive right-sided heart failure 11 years after tricuspid bioprosthetic valve replacement for infective endocarditis. Echocardiography showed severe intra-prosthetic regurgitation and stenosis with calcified, retracted leaflets. Transcatheter valve-in-valve therapy was considered but not selected because of the patient's young age, durability concerns, limited availability, and cost. Totally endoscopic beating-heart redo tricuspid valve replacement was performed through a right mini-thoracotomy under peripheral cardiopulmonary bypass. The degenerated leaflets were excised, the sewing ring was preserved, and a 29-mm mechanical prosthesis was implanted onto the retained frame. Recovery was uneventful, and valve function was normal at 6 months.</p><p><strong>Conclusion: </strong>This frame-preserving, totally endoscopic approach is feasible in selected patients, although further experience is needed.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3704-3708"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544789/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A rare case report of an endobronchial teratoma of the right upper lobe invading the mediastinum.","authors":"Olalekan Babalola, Nathan Siewert, Max Frenkel, Tim Guenther, Malcolm M DeCamp","doi":"10.1097/RC9.0000000000000851","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000851","url":null,"abstract":"<p><strong>Introduction: </strong>Endobronchial teratomas are extremely rare tumors that develop within the airway of the lung. Patients often present with nonspecific symptoms that depend on the size and anatomic features, making the differential broad and the diagnosis challenging.</p><p><strong>Presentation of case: </strong>A 28-year-old man presented with a 6-month history of a dry cough, vague chest discomfort, and occasional dyspnea. A chest X-ray and CT were performed, revealing a heterogeneous mass involving the mediastinum and the medial aspect of the right lung. Serum tumor markers were normal, and a testicular ultrasound excluded a metastatic germ cell tumor. Definitive treatment required an <i>en bloc</i> resection of the thymus and right upper lobe, with pathologic review showing an endobronchial origin of a mature teratoma.</p><p><strong>Discussion: </strong>This case illustrates the diagnostic challenges of endobronchial teratomas, provides imaging and histologic characteristics of this rare tumor type, and contributes to the number of published cases with favorable outcomes.</p><p><strong>Conclusion: </strong>Given the rarity of endobronchial teratomas, a high index of suspicion among pulmonologists, surgeons, and pathologists is necessary to correctly diagnose and treat these patients.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3761-3764"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544807/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Treatment of tunica albuginea defect using double-breasted corporoplasty (Alei's technique) and small intestinal submucosa graft.","authors":"Sara Lagioni, Ioana Alexandra Iachimovsky, Michele Rizzo, Tommaso Cai, Alessandro Zucchi, Giovanni Liguori","doi":"10.1097/RC9.0000000000000337","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000337","url":null,"abstract":"<p><strong>Introduction and importance: </strong>An isolated, spontaneous defect of the tunica albuginea is an exceptionally rare condition characterized by localized thinning of its layers and herniation of cavernous tissue. Given the very limited number of reported cases and the absence of standardized management, each report contributes valuable insights into diagnostic and surgical strategies. This case highlights a reconstructive approach aimed at preserving both functional and cosmetic outcomes.</p><p><strong>Case presentation: </strong>A 26-year-old white male presented with a history of mild pain and discomfort at the base of the penis during sexual activity. Examination revealed a soft, reducible swelling on the right side of the penile root during erection. Duplex ultrasound and magnetic resonance imaging confirmed a defect in the tunica albuginea with herniation of cavernous tissue extending 12 mm. Surgical repair was performed using a double-breasted corporoplasty to reinforce the tunica, combined with a small intestinal submucosa graft for additional support. At the 12-month follow-up, the patient showed full erectile function, no recurrence, and complete radiologic resolution.</p><p><strong>Clinical discussion: </strong>Focal defects of the tunica albuginea are poorly understood, with no established causes or treatment guidelines. Surgical management aims to restore structural integrity while preserving erectile function and esthetic appearance. The double-breasted technique provides durable reinforcement by overlapping tunical layers, reducing the risk of recurrence. The graft further enhances mechanical strength.</p><p><strong>Conclusion: </strong>This approach appears to be a reliable surgical option for rare tunical defects, preserving both function and anatomy.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3287-3291"},"PeriodicalIF":0.6,"publicationDate":"2026-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544679/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The \"Lost\" and \"Found\" IUD: a case of concurrent intrauterine and intraperitoneal devices with delayed recognition.","authors":"Ahlam M Alfaraj, Abdullah S Al-Darwish, Mohannad K Saffaf, Sami AlHawassi","doi":"10.1097/RC9.0000000000000861","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000861","url":null,"abstract":"<p><strong>Background: </strong>Intrauterine devices (IUDs) are widely used and highly effective long-acting reversible contraceptives; however, rare complications such as uterine perforation and device migration may occur. A critical and preventable clinical pitfall is the misinterpretation of missing retrieval strings as spontaneous expulsion, which may lead to reinsertion without imaging confirmation, resulting in dual IUD retention, delayed diagnosis, and potential complications including visceral organ injury.</p><p><strong>Case presentation: </strong>We report a case of a 45-year-old woman with an incidental finding of dual IUDs. Imaging revealed one device within the uterine cavity and a second device that had migrated intraperitoneally. Laparoscopic retrieval was successful, and the postoperative course was uneventful.</p><p><strong>Conclusion: </strong>This case highlights the importance of the systematic evaluation of \"missing\" IUD strings, including a pelvic examination and radiographic confirmation prior to reinsertion to prevent dual-device scenarios and associated morbidity. Early recognition, prompt imaging, and minimally invasive surgical management are essential for optimal outcomes.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3834-3839"},"PeriodicalIF":0.6,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544787/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hidden giant calyceal diverticulum: a rare case report caused by kidney stone obstruction of the calyceal neck.","authors":"Wenbin Bao, Yangwen-Yi Liu, Jincui Yang, Xuebing Ma","doi":"10.1097/RC9.0000000000000771","DOIUrl":"https://doi.org/10.1097/RC9.0000000000000771","url":null,"abstract":"<p><strong>Introduction and importance: </strong>A calyceal diverticulum is a rare cystic cavity that communicates with the renal calyx. Giant forms (>8 cm) are easily misdiagnosed as renal cysts. Unlike prior reports with patent diverticular necks on delayed imaging, this case features complete stone obstruction leading to false-negative conventional imaging, with the diagnosis revealed only after ureteral stenting and stone treatment.</p><p><strong>Case presentation: </strong>A 69-year-old man was incidentally found to have a 9 cm left renal cystic lesion. Initial CT/MRI suggested a simple cyst. After ureteral stent placement for an obstructing stone, the cyst shrank and its wall thickened. Retrograde flexible ureteroscopic laser lithotripsy fragmented an obstructing stone at the calyceal neck. Postoperative CT showed collapse of the cyst with gas and fluid accumulation, confirming a giant calyceal diverticulum that had decompressed after stone removal.</p><p><strong>Clinical discussion: </strong>The key diagnostic clue was dynamic reduction in size following ureteral stent placement - something impossible for a simple cyst. Complete obstruction of the diverticular neck by a stone caused false-negative findings on contrast studies. Treatment focused on stone removal, leading to diverticular collapse.</p><p><strong>Conclusion: </strong>For cystic lesions near the calyces with ipsilateral calculi, a calyceal diverticulum should be suspected even when contrast imaging is negative. Dynamic changes after ureteral stenting or stone intervention can aid in diagnosis and prevent unnecessary surgery.</p>","PeriodicalId":48113,"journal":{"name":"International Journal of Surgery Case Reports","volume":"138 9","pages":"3453-3456"},"PeriodicalIF":0.6,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13544831/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148898099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}