Radiology Case ReportsPub Date : 2026-05-01Epub Date: 2026-02-13DOI: 10.1016/j.radcr.2026.01.078
Cheng-Cai Li MD , Guan-liang Wang MD , Xing-pan You BM , Wu-jie Wei MM , Fang Pan MM , Zi-jing Deng MS , Guo-hong Shen BM , Xing-ping Tan BM
{"title":"A misdiagnosed case of tumefactive demyelinating lesion mimicking glioma: Imaging pitfalls and diagnostic lessons","authors":"Cheng-Cai Li MD , Guan-liang Wang MD , Xing-pan You BM , Wu-jie Wei MM , Fang Pan MM , Zi-jing Deng MS , Guo-hong Shen BM , Xing-ping Tan BM","doi":"10.1016/j.radcr.2026.01.078","DOIUrl":"10.1016/j.radcr.2026.01.078","url":null,"abstract":"<div><div>Distinguishing cerebral glioma from tumefactive demyelinating lesion (TDL) remains a significant diagnostic challenge due to overlapping neuroimaging features despite vastly different management and prognoses. We present a case of a 51-year-old woman whose initial brain magnetic resonance imaging (MRI) was interpreted as suggestive of glioma. The patient declined surgical intervention. Follow-up MRI performed 3 months later demonstrated marked lesion reduction, supporting a demyelinating etiology. This case analyzes the factors contributing to the initial misdiagnosis, highlighting the critical role of imaging discriminators, such as the open-ring enhancement pattern, magnetic resonance spectroscopy (MRS), and perfusion-weighted imaging (PWI), as well as the value of systematic clinical reasoning in avoiding unnecessary surgical procedures.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1792-1796"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146192955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Purulent Streptococcus Pneumoniae meningitis with suppurative focus and infectious vasculitis leading to ischemic and hemorrhagic strokes: A rare case report","authors":"Ines Azouz MD, Yosra Mzid MD, Amine Mahdi MD, Mohamed Abed MD, Khaireddine Ben Mahfoudh MD","doi":"10.1016/j.radcr.2026.01.071","DOIUrl":"10.1016/j.radcr.2026.01.071","url":null,"abstract":"<div><div>Acute bacterial meningitis (ABM) is a neurological emergency that continues to cause high levels of morbidity and mortality worldwide. Despite advances in antimicrobial therapy and vaccination, it continues to cause severe neurological sequelae. In both adults and children older than 2 years, <em>Streptococcus pneumoniae</em> is the leading cause of acute bacterial meningitis, often leading to life-threatening complications. Vascular complications are seen in 15%-20% of all cases of acute bacterial meningitis, and intracerebral hemorrhages occur in 2% of patients. Coexistence of ischemic and hemorrhagic complications is rare. The authors report an infrequent case of pneumococcal meningitis in a comatose patient transferred to the emergency department by civil protection. Radiological work-up with computed tomography (CT) and magnetic resonance imaging (MRI), followed by cerebrospinal fluid (CSF) analysis, enabled accurate identification of the underlying etiology and allowed timely, targeted therapeutic management.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1838-1845"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146193261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Radiology Case ReportsPub Date : 2026-05-01Epub Date: 2026-02-13DOI: 10.1016/j.radcr.2026.01.037
Richie Zhang BA , Mason C. Vaillancourt MD , Theodore S. Donta MD, PhD , Jenna M. Gedminas MD , Takashi S. Sato MD
{"title":"Cervical vertebra plana secondary to Ewing sarcoma: A case report","authors":"Richie Zhang BA , Mason C. Vaillancourt MD , Theodore S. Donta MD, PhD , Jenna M. Gedminas MD , Takashi S. Sato MD","doi":"10.1016/j.radcr.2026.01.037","DOIUrl":"10.1016/j.radcr.2026.01.037","url":null,"abstract":"<div><div>Vertebra plana is most commonly associated with Langerhans cell histiocytosis in the pediatric population. However, in extremely rare cases, Ewing sarcoma can also present as vertebra plana in this population. Langerhans cell histiocytosis can present as a single system or multiple system disease without malignant potential, whereas Ewing sarcoma is a highly malignant tumor. Therefore, it is important to establish the correct diagnosis. Here, we present the case of a 5-year-old female with Ewing sarcoma presenting as cervical vertebra plana. To our knowledge, this is the third reported case in the literature of cervical vertebra plana secondary to Ewing sarcoma. This case emphasizes the importance of biopsy in cases of pediatric vertebra plana.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1805-1808"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146193240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Radiology Case ReportsPub Date : 2026-05-01Epub Date: 2026-02-13DOI: 10.1016/j.radcr.2026.01.034
Abel Tsehay Abebe MD, Sunskruthi Krishna BA, Peeyush Bhargava MD MBA
{"title":"Dual complications of type I endoleak and aorto-enteric fistula post-EVAR: A case report and review of literature","authors":"Abel Tsehay Abebe MD, Sunskruthi Krishna BA, Peeyush Bhargava MD MBA","doi":"10.1016/j.radcr.2026.01.034","DOIUrl":"10.1016/j.radcr.2026.01.034","url":null,"abstract":"<div><div>Aortoenteric fistula (AEF) is a rare but life-threatening complication following endovascular aortic repair (EVAR). Although individual complications such as endoleak and graft infection are well described, the simultaneous occurrence of an endoleak and AEF is exceedingly uncommon and poses significant diagnostic and therapeutic challenges. Most reported cases of this dual complication involve type II endoleaks; to our knowledge, this represents the first reported case of a type I endoleak occurring in conjunction with an AEF, specifically an aortocolic fistula. We describe a 94-year-old woman who presented with abdominal pain and sepsis 1 year after undergoing EVAR for a ruptured infrarenal abdominal aortic aneurysm. Contrast-enhanced computed tomography (CT) demonstrated a type I endoleak with associated graft infection and imaging findings highly suggestive of an aortoenteric fistula. This case adds to the limited existing literature and underscores the importance of maintaining a high index of suspicion for this potentially fatal dual complication, while highlighting the critical role of cross-sectional imaging in timely diagnosis and in guiding appropriate clinical management.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1830-1833"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146192951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"18F-FAPI-74 PET/CT findings of an inflammatory branchial cleft cyst mimicking cervical metastasis from carcinoma of unknown primary: A case report","authors":"Seiji Oyagi MD , Tomohiko Yamane MD , Takuya Yamamoto MD , Norio Yamamoto MD , Hara Shigeo MD , Michio Senda MD , Masahiro Kikuchi MD","doi":"10.1016/j.radcr.2026.01.064","DOIUrl":"10.1016/j.radcr.2026.01.064","url":null,"abstract":"<div><div>Fibroblast-activation protein inhibitor (FAPI) positron-emission tomography (PET) is emerging as a promising alternative to <sup>18</sup>F-fluorodeoxyglucose (FDG) PET for head-and-neck cancer. Herein, we describe the case of a 51-year-old man with a cystic level-II neck mass that was intensely FDG-avid and even more avid on <sup>18</sup>F-FAPI-74 PET. FDG-PET was performed as standard imaging modality to search for the primary tumor, while <sup>18</sup>F-FAPI-74 PET was conducted as part of a clinical trial to detect potential occult lesions missed by FDG. While cytology suggested metastatic squamous-cell carcinoma and FDG PET revealed asymmetric tonsillar uptake, raising suspicion of an occult oropharyngeal primary tumor, <sup>18</sup>F-FAPI-74 PET demonstrated an absence of tracer uptake in Waldeyer’s ring. The patient subsequently underwent ipsilateral palatine-tonsillectomy, lingual-tonsil biopsy, and radical neck dissection. Histopathological examination definitively excluded malignancy, identifying the lesion as an inflamed branchial cleft cyst with marked fibroblast proliferation, and confirmed that both tonsils were benign. Consequently, the preoperative cytology suggesting metastatic squamous cell carcinoma was determined to be a false-positive finding. This case underscores the potential of <sup>18</sup>F-FAPI-74 PET to exclude tonsillar primaries in carcinomas of unknown primary origin, while highlighting that fibrotic inflammation can cause false-positive uptake.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1851-1855"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146192952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Radiology Case ReportsPub Date : 2026-05-01Epub Date: 2026-02-13DOI: 10.1016/j.radcr.2026.01.028
Cecile Swift DO , Kevin Pugh DO , Fadi Moaikel DO , Sasmita Misra MD , Gregory Henkle MD
{"title":"Steatocystoma multiplex presenting with breast lumps: Diagnostic findings on mammography and ultrasound","authors":"Cecile Swift DO , Kevin Pugh DO , Fadi Moaikel DO , Sasmita Misra MD , Gregory Henkle MD","doi":"10.1016/j.radcr.2026.01.028","DOIUrl":"10.1016/j.radcr.2026.01.028","url":null,"abstract":"<div><div>Steatocystoma multiplex is a benign skin disorder characterized by multiple oil cysts, often inherited in an autosomal dominant pattern. This case report describes a 70-year-old man who presented for mammography due to painless lumps on the chest and abdomen. The patient reported a history of these lesions for approximately 20 years and noted a family history of similar findings. Despite their benign nature, the imaging appearance of steatocystomas can mimic other fat-containing lesions and potentially prompt unnecessary workup. Management is typically conservative, focused on patient education and reassurance, with procedural or medical treatment reserved for complications or cosmetic concerns. This case underscores the importance of recognizing the clinical and imaging features of steatocystoma multiplex to guide appropriate management and avoid overtreatment.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1802-1804"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146192953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Radiology Case ReportsPub Date : 2026-05-01Epub Date: 2026-02-13DOI: 10.1016/j.radcr.2026.01.038
Sara Skalli MD, Khaoula Mestour MD, Iman Akhrif MD, Samia Karkouri MD
{"title":"Ultrasound in the diagnosis and management of plantar fibromatosis (ledderhose disease): A case report","authors":"Sara Skalli MD, Khaoula Mestour MD, Iman Akhrif MD, Samia Karkouri MD","doi":"10.1016/j.radcr.2026.01.038","DOIUrl":"10.1016/j.radcr.2026.01.038","url":null,"abstract":"<div><div>Plantar fibromatosis, also known as Ledderhose disease, is a rare benign fibroproliferative disorder of the plantar fascia, characterized by the development of slowly growing nodules that may become painful and functionally limiting. Although the diagnosis is often suspected clinically, imaging—particularly ultrasound—plays an important role in confirming the diagnosis and guiding management. We report the case of a 57-year-old man presenting with bilateral plantar nodules, in whom ultrasound enabled diagnostic confirmation and guided corticosteroid injection. Conservative management combining ultrasound-guided injection, custom orthotic insoles, and a targeted rehabilitation program resulted in complete pain relief and a reduction in nodule size at short-term follow-up. This case illustrates the diagnostic and interventional value of ultrasound in the nonsurgical management of plantar fibromatosis.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1834-1837"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146193257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pulsation-related motion artifact of the external iliac artery mimicking localized dissection: An unexpected finding","authors":"Kanako Miyara MD , Nanae Tsuchiya MD, PhD , Takaaki Nagano MD, PhD , Satoko Yogi MD, PhD , Akihiro Nishie MD, PhD","doi":"10.1016/j.radcr.2026.01.077","DOIUrl":"10.1016/j.radcr.2026.01.077","url":null,"abstract":"<div><div>Contrast-enhanced CT is widely used for the evaluation of acute aortic dissection, but non–ECG-gated studies may still be affected by motion artifacts that mimic true vascular pathology. We report a woman in her forties who presented with right back pain. Non–ECG-gated contrast-enhanced CT demonstrated a discontinuous linear finding in the right external iliac artery, suggestive of a localized dissection. Follow-up CT performed 3 weeks later showed a similar appearance. Cine MRI subsequently revealed marked pulsatile motion of the right external iliac artery with approximately 6-mm displacement, resulting in compression and deformation of the adjacent external iliac vein. These findings confirmed that the CT abnormality represented a pulsation-induced motion artifact rather than true dissection. Although advances in CT technology have reduced motion artifacts, they may still occur in vessels with substantial pulsatile mobility. When such artifacts are suspected, complementary imaging—such as ultrasound, cine MRI, or ECG-gated CT—can facilitate accurate diagnosis and prevent unnecessary intervention.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1827-1829"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146193260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Late-onset vascular and tumor complications after childhood brain radiotherapy: A rare case of dual sequelae","authors":"Quoc-Huy Ly BBA , Shimon Garrel BS , Karthik Kanamalla MD , Armin Mahabadi MD , Daniel Masri MD","doi":"10.1016/j.radcr.2026.01.063","DOIUrl":"10.1016/j.radcr.2026.01.063","url":null,"abstract":"<div><div>Radiotherapy (RT) remains a mainstay of pediatric craniopharyngioma management. The long-term sequelae of intracranial RT are well documented and include radiation-induced brain tumors, cerebral vasculopathy, cognitive impairment, and an elevated risk of cerebrovascular accidents (CVAs). Patients treated for suprasellar or intrasellar tumors are at an increased risk of vasculopathy, likely because the Circle of Willis lies within the RT field. Here, we present a rare case of a patient who, 30 years after initial RT, developed multiple progressive late effects of cranial radiation, resulting in significant morbidity. To our knowledge, few case reports have described the concurrence of both a radiation-induced meningioma and radiation-induced vasculopathy, highlighting the rarity of this presentation and underscoring the importance of lifelong surveillance in pediatric brain tumor survivors especially within the RT treatment field.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1821-1826"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146193262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Woven EndoBridge treatment for anterior communicating artery aneurysm with optic neuropathy: A case report","authors":"Hideki Endo MD, PhD , Yasuyuki Tatsuta MD , Koichiro Shindo MD , Daishi Yamaguchi MD , Suguru Sakurai MD , Yohei Yamaguchi MD, PhD , Ryunosuke Yoshihara MD , Daigo Goto MD , Masahiro Okuma MD , Tomoaki Ishizuka MD , Tatsuya Ogino MD , Hirohiko Nakamura MD, PhD","doi":"10.1016/j.radcr.2026.01.044","DOIUrl":"10.1016/j.radcr.2026.01.044","url":null,"abstract":"<div><div>Anterior communicating artery aneurysms rarely cause compressive optic neuropathy, and most reports describe surgical clipping or endovascular coiling. Evidence is lacking on the role of intrasaccular flow disruptors, such as the Woven EndoBridge device, in this setting. We present a 72-year-old woman with an unruptured anterior communicating artery aneurysm compressing the right optic nerve and producing an inferior visual field defect. The aneurysm was treated with Woven EndoBridge embolization, positioned to minimize mass effect. The patient’s vision improved within 1 month, and follow-up angiography confirmed complete occlusion. By demonstrating safe aneurysm occlusion and visual improvement with Woven EndoBridge deployment, our report offers a novel endovascular option where the optimal approach remains uncertain.</div></div>","PeriodicalId":53472,"journal":{"name":"Radiology Case Reports","volume":"21 5","pages":"Pages 1817-1820"},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146193263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}