{"title":"Atraumatic Spontaneous Splenic Rupture Complicating Decompensated Chronic Liver Disease With Portal Hypertension: A Case Report.","authors":"Prasanna Ghimire, Shreya Subedi, Ankit Mishra, Dipendra Khadka, Pragya Gautam Ghimire","doi":"10.1155/crra/3772906","DOIUrl":"https://doi.org/10.1155/crra/3772906","url":null,"abstract":"<p><p>Atraumatic spontaneous splenic rupture (ASR) is a rare, potentially fatal condition accounting for fewer than 0.5% of all splenic ruptures, with reported mortality of up to 20% when diagnosis is delayed. We report a 63-year-old male with decompensated chronic liver disease and portal hypertension who presented with acute epigastric pain, progressive abdominal distension, and absolute constipation without antecedent trauma. Abdominal ultrasonography identified splenomegaly with a 5 × 6 cm anechoic intraparenchymal collection with subcapsular and perisplenic extension and moderate hemoperitoneum. Noncontrast computed tomography confirmed parenchymal laceration classified as AAST Grade III/WSES Class II. Contrast-enhanced CT was deferred because of concurrent renal impairment. The patient remained hemodynamically stable and was successfully managed with conservative nonoperative management. This case highlights the importance of suspecting ASR in patients with hepatic disease and congestive splenomegaly without trauma, the utility of prognostic scoring in guiding management, and the role of contrast-enhanced ultrasound as a nephroprotective imaging alternative when iodinated contrast is contraindicated.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"3772906"},"PeriodicalIF":0.0,"publicationDate":"2026-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13636672/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149115646","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":"Case Report: Radiological-Pathological Correlation of Ectopic Pancreatic Tissue as Anterior Mediastinal Mass.","authors":"Zehao Quan, David Luong, John Coucher","doi":"10.1155/crra/4836145","DOIUrl":"10.1155/crra/4836145","url":null,"abstract":"<p><p>Ectopic pancreatic tissue presenting as large anterior mediastinal mass is exceedingly rare and poses a significant diagnostic challenge, which could mimic common malignancies such as thymoma, teratoma or lymphoma. We report a case of a 49-year-old female who presented with pleuritic chest pain, new-onset atrial fibrillation with rapid ventricular response and nonsustained ventricular tachycardia. Computer tomography pulmonary angiogram (CTPA) identified a large peripherally enhancing anterior mediastinal mass with extensive central necrosis. The lesion exerted a significant mass effect, compressing the pulmonary trunk and displacing the ascending aorta. Initial CT-guided core biopsy was nondiagnostic, yielding only necrotic debris and neutrophils. Given the diagnostic uncertainty and the patient's worsening symptoms, a surgical biopsy via a Chamberlain procedure was performed, revealing thick, black necrotic fluid with histology confirming ectopic pancreatic tissue. This case demonstrates ectopic pancreatic tissue as a rare differential of a necrotic anterior mediastinal mass. Early recognition is vital to guide appropriate surgical management and prevent morbidity related to pancreatic enzymatic action on surrounding key anatomical structures and the misdiagnosis of more common mediastinal neoplasms.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"4836145"},"PeriodicalIF":0.0,"publicationDate":"2026-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13621400/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149082132","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}
Aiden Ali, Ronan Kennedy, Robert Henderson, Rajesh Botchu
{"title":"An Unusual Case of a Mass-Like Hydroxyapatite Deposition Disease Causing Forearm Flexor Tendon Calcific Tendinitis.","authors":"Aiden Ali, Ronan Kennedy, Robert Henderson, Rajesh Botchu","doi":"10.1155/crra/8471826","DOIUrl":"10.1155/crra/8471826","url":null,"abstract":"<p><p>Hydroxyapatite deposition disease (HADD) is a relatively common disorder characterised by periarticular deposition of calcium hydroxyapatite, most frequently involving tendons of the glenohumeral joint. Although calcific deposits typically produce a self-limiting inflammatory response, mass-like presentations at atypical sites can mimic trauma, infection or soft tissue neoplasia, posing a significant diagnostic challenge. We report an unusual presentation of mass-like calcific tendinitis within the flexor carpi ulnaris (FCU) tendon of the distal forearm-an atypical location for HADD presenting as a painful soft tissue swelling. Multimodality imaging, including radiography, MRI and CT, was instrumental in characterising the deposit and excluding alternative diagnoses. The patient was treated with ultrasound-guided barbotage using a large bore needle system, with significant reduction in deposit volume and symptom relief. This case highlights the importance of considering HADD in the differential diagnosis of painful soft tissue masses at atypical sites, where multimodal imaging is essential for accurate characterisation and ultrasound-guided barbotage represents an effective minimally invasive treatment alternative to surgery.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"8471826"},"PeriodicalIF":0.0,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13618365/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149076063","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}
Afnan Alshehri, Marah Ashi, Sarah Sulaiman, Ahmed Alzahrani
{"title":"Brainstem Disconnection Syndrome in a Patient With Respiratory Failure and Failed Weaning From Oxygen: A Case Report.","authors":"Afnan Alshehri, Marah Ashi, Sarah Sulaiman, Ahmed Alzahrani","doi":"10.1155/crra/9939709","DOIUrl":"10.1155/crra/9939709","url":null,"abstract":"<p><strong>Background: </strong>Brainstem disconnection syndrome (BDS) is an exceedingly rare congenital malformation of the hindbrain characterized by disconnection of the brainstem, often presenting with severe neurological deficits and early neonatal mortality. Whereas previous cases have documented isolated neurological anomalies, this report delineates a distinctive presentation of BDS associated with a specific constellation of multisystem vascular and extracerebral skeletal malformations.</p><p><strong>Case presentation: </strong>A 4-month-old female infant, born from a discordant twin pregnancy, exhibited persistent neonatal respiratory failure, failure to wean from oxygen therapy, global tonic-clonic seizures, and severe hypotonia. Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) of the brain demonstrated a complete absence of the pons, a slender tissue cord connecting the midbrain and medulla oblongata, extensive cerebellar hypoplasia, and nonopacification or aplasia of the basilar and distal vertebral arteries. Whole exome sequencing did not reveal any standard inherited neurodevelopmental mutations; however, genomic analysis identified carrier status for a biologically plausible frameshift variant in TMEM67, a gene heavily implicated in ciliary hindbrain morphogenesis. The implementation of targeted supportive care allowed the patient to survive beyond the typical early neonatal period, with the patient remaining alive at a 12-month follow-up.</p><p><strong>Conclusion: </strong>This case broadens the known phenotypic and radiological range of BDS by reporting new multilevel skeletal and vascular co-occurring conditions. The notable phenotypic differences seen in this twin pregnancy support the theory of early embryonic vascular disruption. Additionally, the detection of the TMEM67 variant indicates that ciliary gene mutations could be important genetic factors or modifiers in BDS.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"9939709"},"PeriodicalIF":0.0,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13531370/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148875743","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":"Post-Traumatic Bronchial Artery Pseudoaneurysm: A Case Report.","authors":"Maliha Majeed, Erin Moffett, Dennis Wulfeck","doi":"10.1155/crra/3331859","DOIUrl":"10.1155/crra/3331859","url":null,"abstract":"<p><p>A 34-year-old woman with a history of Turner syndrome presented to the emergency department after a high-speed motor vehicle collision. Computed tomography (CT) of the thoracic spine demonstrated an unstable inferior endplate fracture of T7 with bilateral laminar fractures. Computed tomography angiography (CTA) of the chest and magnetic resonance angiography (MRA) of the aorta demonstrated a 6-mm focal outpouching of contrast along the right aspect of the descending thoracic aorta, concerning for an unruptured bronchial artery pseudoartery aneurysm. Digital subtraction angiography (DSA) confirmed a pseudoaneurysm arising from the origin of the right bronchial artery, which was successfully treated with coil embolization.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"3331859"},"PeriodicalIF":0.0,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13527583/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148867056","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":"Advanced Imaging in Methanol Toxicity: Bilateral Putaminal Necrosis and Frontal-Occipital Ischemia-A Case Report.","authors":"Harminder Sandhu, Shabber Syed, Alhassan Alhasson, Zainab Yousif Shukur, Robert Bixler","doi":"10.1155/crra/9972530","DOIUrl":"10.1155/crra/9972530","url":null,"abstract":"<p><p>Methanol toxicity remains a critical yet challenging diagnosis due to its nonspecific early presentation and potential for delayed intervention. Although methanol itself is nontoxic, its metabolite-formic acid-induces severe metabolic acidosis and neurotoxicity, particularly affecting the basal ganglia and optic nerves. We present a case of a male in his 50s with altered mental status and visual impairment following windshield washer fluid ingestion. Initial computed tomography (CT) was unremarkable, but follow-up imaging revealed bilateral putaminal necrosis and subcortical white matter involvement, including the frontal and occipital lobes. Diffusion-weighted imaging (DWI) findings demonstrated acute ischemia and necrosis, underscoring the value of advanced imaging when methanol toxicity is suspected. This case highlights the importance of recognizing characteristic radiological patterns to facilitate timely diagnosis and improve patient outcomes.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"9972530"},"PeriodicalIF":0.0,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13527635/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148866979","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}
Kerelus Morkos, Brielle Williams, Ian Simpson, Corinne Ooi, Brooke Sawyer
{"title":"Primary Breast Involvement in Erdheim-Chester Disease: A Rare Presentation.","authors":"Kerelus Morkos, Brielle Williams, Ian Simpson, Corinne Ooi, Brooke Sawyer","doi":"10.1155/crra/8222696","DOIUrl":"10.1155/crra/8222696","url":null,"abstract":"<p><p>Erdheim-Chester disease (ECD) is a rare multisystem histiocytic neoplasm. Breast manifestations of this condition are exceedingly rare with fewer than 20 cases reported in the literature. We present a case report of a 40-year-old female patient with a 5-year history of breast enlargement and pigmentation who was diagnosed with ECD involving the bones, retroperitoneum and breast, highlighting key imaging and pathologic features that led to the diagnosis. ECD should be considered in the differential diagnosis of infiltrative breast disease. Considering this differential diagnosis allows appropriate further assessment and management.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"8222696"},"PeriodicalIF":0.0,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13530398/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148875878","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}
Surbhi Singh, Akhil Tanwar, Dhrumil Patel, Jonathan Von Reusner, Prabath Kumar Mondel, Ashlesha Udare
{"title":"Granulomatosis With Polyangiitis With Multifocal Pancreatic and Renal Pseudotumors, Mimicking Neoplasm: A Case Report.","authors":"Surbhi Singh, Akhil Tanwar, Dhrumil Patel, Jonathan Von Reusner, Prabath Kumar Mondel, Ashlesha Udare","doi":"10.1155/crra/6883674","DOIUrl":"10.1155/crra/6883674","url":null,"abstract":"<p><p>Granulomatosis with polyangiitis (GPA) is an ANCA-associated small-vessel vasculitis that can rarely present as a mass-like inflammatory pseudotumor in the abdomen. We report a 52-year-old woman with systemic symptoms and laboratory evidence of GPA with multiple heterogeneous mass lesions involving the pancreas and both kidneys on CT imaging. These lesions mimicked a neoplasm, prompting further characterization with tissue sampling. Histopathology of the pancreatic lesion confirmed granulomatous inflammatory changes. The patient was treated with glucocorticoids and rituximab, resulting in marked progressive resolution of lesions on follow-up imaging. This case highlights the importance of recognizing atypical mass-like abdominal manifestations of GPA, the pivotal role of cross-sectional imaging in diagnosis and follow-up, and the need to consider inflammatory pseudotumor in the differential diagnosis to avoid unnecessary surgery.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"6883674"},"PeriodicalIF":0.0,"publicationDate":"2026-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13507706/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148833084","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}
Eleonora Rossi, Duccio Rossi, Mario Petrillo, Gianpaolo Carrafiello, Andrea Antonio Ianniello
{"title":"A Case of Embolization of a Lymphatic Malformation Complicated by Chylothorax, Chylopericardium, and Interstitial Lung Disease in a 6-Year-Old Pediatric Patient.","authors":"Eleonora Rossi, Duccio Rossi, Mario Petrillo, Gianpaolo Carrafiello, Andrea Antonio Ianniello","doi":"10.1155/crra/1095827","DOIUrl":"10.1155/crra/1095827","url":null,"abstract":"<p><strong>Background: </strong>A 6-year-old child with a clinical history of chylopericardium treated with pericardiocentesis presented with retrosternal chest pain and asthenia in the past 2-3 days. The patient underwent a chest-abdominal MRI revealing pericardial and pleural effusion with lymphatic malformation of the thoracic duct and lymphatic abdominal vessels.</p><p><strong>Materials and methods: </strong>The patient underwent a thoracic duct embolization, consisting of two stages. At the first stage, a US-guided catheterization of a hepatic lymphatic duct and of two inguinal lymph nodes bilaterally was carried out to perform a dynamic contrast-enhanced MR intranodal lymphangiography (DCMRL). DCMRL showed lymphangiectasia of retroperitoneal lymphatics and of the thoracic duct with double drainage into the left subclavian vein and a possible lymphatic leak near the pulmonary veins. At a second stage, a thoracic duct catheterization and lymphography were performed, confirming the lymphatic leakage into the pericardial cavity and allowing the embolization of the thoracic duct extending to L1 vertebral level through pushable and detachable coils followed by injection of cyanoacrylate diluted 1:1 with lipiodol.</p><p><strong>Conclusion: </strong>This case was emblematic as it underlined the importance of DCMRL as a preprocedural diagnostic tool for studying lymphatic variants and malformations of patients needing any lymphatic treatment. It also added evidence on the effectiveness of this interventional approach for treating chylous effusions and interstitial lung disease.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"1095827"},"PeriodicalIF":0.0,"publicationDate":"2026-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13488370/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148798747","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":"Prostate Cancer Recurrence Mimicking a Primary Paranasal Sinus Tumor on <sup>18</sup>F-FDG PET/CT During Treatment for Metastases After 10 Years of Remission.","authors":"Kohei Suzuki, Kazuyuki Ogawa, Naohiro Makise, Hiromasa Kurosaki, Hiroyuki Funatsu, Junpei Kuyama","doi":"10.1155/crra/2643786","DOIUrl":"10.1155/crra/2643786","url":null,"abstract":"<p><p>Metastatic tumors of the nasal cavity and paranasal sinuses are rare, and the prostate is a particularly uncommon primary site. Including metastatic prostate cancer in the differential diagnosis of sinonasal tumors can be clinically challenging. To our knowledge, there are no detailed case reports confirming uptake in paranasal sinus metastases from prostate cancer using <sup>18</sup>F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT). The patient was a 68-year-old man who was diagnosed with prostate cancer 16 years prior to his visit. After a 10-year remission, he received radiation therapy and radium-223 for prostate cancer 6 years earlier, followed by multiple courses of radiation therapy for lymph node and bone metastases over the next 5 years. His chief complaints were a 2-month history of nasal congestion and a postnasal drip. The tumor was located mainly in the right paranasal sinus and showed signs of bone infiltration and tumor necrosis. FDG-PET/CT showed intense uptake in the mass (maximum standardized uptake value = 15.2). The differential diagnosis included primary and metastatic tumors. Biopsy revealed histological features similar to the primary prostate cancer site from 16 years prior, with prostatic acid phosphatase and NKX3.1 positive staining. The patient was diagnosed with metastatic prostate cancer, underwent palliative radiotherapy, and passed away approximately 23 months after the detection of paranasal sinus metastasis. This case highlights the importance of considering metastasis even in atypical lesions in patients with prostate cancer.</p>","PeriodicalId":30326,"journal":{"name":"Case Reports in Radiology","volume":"2026 ","pages":"2643786"},"PeriodicalIF":0.0,"publicationDate":"2026-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13449029/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148690003","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}