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Case Reports in Radiology

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https://www.readbyqxmd.com/read/28083153/a-retroperitoneal-isolated-enteric-duplication-cyst-mimicking-a-teratoma-a-case-report-and-literature-review
#1
Daichi Momosaka, Yasuhiro Ushijima, Akihiro Nishie, Yoshiki Asayama, Kousei Ishigami, Yukihisa Takayama, Daisuke Okamoto, Nobuhiro Fujita, Tetsuo Ikeda, Keiichiro Uchida, Masaaki Sugimoto, Kenichi Kohashi, Hiroshi Honda
Enteric duplication cysts lacking anatomic association with the gastrointestinal tract are called isolated enteric duplication cysts (IEDCs). We present an atypical case of a retroperitoneal IEDC with a tortuous tubular complex shape that enfolded the surrounding retroperitoneal fat and mimicked a retroperitoneal teratoma. Multiplanar reconstruction images should be used to evaluate such a lesion correctly. A tortuous tubular complex shape could be a key finding to differentiate from other retroperitoneal cysts...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/28053799/gliosarcoma-with-primary-skull-base-invasion
#2
Quoc-Bao D Nguyen, Avital Perry, Christopher S Graffeo, Cody L Nesvick, Aditya Raghunathan, Mark E Jentoft, Brian P O'Neill, Padraig P Morris, Jonathan M Morris, Jamie J Van Gompel
Gliosarcoma is an uncommon variant of glioblastoma, which commonly demonstrates dural attachment. However, skull base invasion is rarely seen with this entity. Herein, we report a 44-year-old female patient diagnosed with primary intracranial gliosarcoma extensively invading the skull base and muscles of mastication. She presented to our institution with a three-month history of difficult right jaw opening and retro-orbital pressure and one week of severe right-sided postauricular headache. Head CT demonstrated a 6 cm mass with marked bony erosion...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/28050303/untreated-superior-vena-cava-aneurysm-radiological-significance-and-review-of-the-literature
#3
Abhinav Patel, Ryan Cobb, Victor Rivera, Scott Simpson
Superior vena cava (SVC) aneurysms are a rare entity. The majority of the literature is in the form of case reports. SVC aneurysms are often an incidental finding with iatrogenic, congenital, or idiopathic etiologies. Treatment goals focus on preventing theoretical rupture or thrombus formation. Management options include observation, conservative medical management, surgical excision, and thrombin injection. We present a 73-year-old female with an incidental SVC aneurysm discovered on computed tomography (CT) of the thorax...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/28003927/thymic-epidermoid-cyst-clinical-and-imaging-manifestations-of-this-rare-anterior-mediastinal-mass
#4
Jawad M Qureshi, Brian Pagano, Jeffrey Mueller, Lana Schumacher, Claudia Velosa, Matthew S Hartman
Thymic epidermoid cysts are an extremely rare entity. These arise from epidermal cells that migrate to the thymus. The radiologic diagnosis of this rare lesion is challenging. We describe a case of an otherwise healthy 35-year-old woman who presented with an acute onset of chest pain and shortness of breath. She was found to have an anterior mediastinal mass. The imaging findings were, however, not characteristic for any single diagnostic entity. Since the imaging was inconclusive, surgical resection was performed for definitive diagnosis...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27965911/occipital-hypometabolism-on-fdg-pet-ct-scan-in-a-child-with-hodgkin-s-lymphoma
#5
Inci Uslu Biner, Ebru Tatci, Ozlem Ozmen, Atila Gokcek, Haci Ahmet Demir, Nadide Basak Gulleroglu
It is known that Fluorodeoxyglucose (FDG) Positron Emission/Computed Tomography (PET/CT) images may be helpful for evaluation of brain function in newborns. Here we described the fluorine-18 [18-F] FDG PET/CT imaging findings of encephalomalacia due to perinatal asphyxia in a child with refractory Hodgkin's Lymphoma (HL) who underwent PET/CT scan to stage the primary disease. Prominent hypometabolism was incidentally detected in the occipital regions bilaterally apart from the FDG uptakes in the malign lymphatic infiltrations...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27957377/rare-case-of-posterior-reversible-leukoencephalopathy-syndrome-secondary-to-acute-chest-syndrome
#6
Rohit Aiyer, Daniel Klein, Yasir El-Sherif
We present a case of 29/m with a history of sickle cell disease who presented to the emergency department with sudden onset of chest, trunk, extremity, and back pain, consistent in quality and severity with the patient's usual pain crises. Soon after admission to the medical unit for acute chest syndrome (ACS), the patient developed sudden onset of hypertension associated with left sided hemiplegia, lethargy, dysarthria, aphasia, and left sided facial droop. Neuroimaging revealed that on MRI Brain there was multifocal extensive signal abnormality and a small focal areas of hemorrhage compatible with posterior reversible leukoencephalopathy syndrome (PRES)...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27900225/internal-jugular-vein-thrombosis-in-isolated-tuberculous-cervical-lymphadenopathy
#7
Sanjay Khaladkar, Avadhesh Chauhan, Arijit Ghosh, Kunaal Jain, Surbhi Chauhan
Tuberculosis is a common infectious disease with a high prevalence in developing countries and presents a major public health issue. Internal jugular vein (IJV) thrombosis is a rare complication in tuberculous cervical lymphadenopathy. We report a case of 26-year male patient with a history of low-grade evening rise in fever, dry cough, loss of appetite, and loss of weight with swelling in lower neck on right side. Ultrasonography (USG) neck showed well-defined hypoechoic lymph nodes posterior to right IJV and common carotid artery in the lower neck at level IV and in the right supraclavicular region showing central necrotic areas with adjoining IJV thrombosis...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27867677/bilateral-simultaneous-pseudoangiomatous-stromal-hyperplasia-of-the-breasts-and-axillae-imaging-findings-with-pathological-and-clinical-correlation
#8
Afsaneh Alikhassi, Fereshteh Ensani, Ramesh Omranipour, Alireza Abdollahi
Pseudoangiomatous stromal hyperplasia (PASH) of the breast is a pathology that is usually diagnosed by accident during pathological examination of other breast lesions. PASH is an uncommon and benign tumoral lesion of the mammary stroma that can be pathologically mistaken for other tumours, such as phyllodes, fibroadenoma, and sometimes even angiosarcoma. We report the case of a 45-year-old woman with complaints of huge bilateral breast enlargement. This is a rare case of PASH presenting with gigantomastia and involving bilateral breasts and axillae simultaneously...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27867676/cardiac-magnetic-resonance-for-evaluating-catheter-related-fdg-avidity
#9
Daniel Jeong, Kenneth L Gage, Claudia G Berman, Jaime L Montilla-Soler
A 53-year-old female with a history of metastatic left arm melanoma presented for F(18) fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) which showed a moderately FDG avid focus at her port catheter tip near the cavoatrial junction. Although catheter tip related FDG avidity has previously been suggested to be bland thrombus or infection, melanoma can metastasize to unusual locations including the superior vena cava. In addition, the patient had an elevated risk of anticoagulation due to a history of hemorrhagic brain metastases...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27843667/congenital-vitelline-band-causing-intestinal-obstruction-in-an-adult-with-a-double-inferior-vena-cava
#10
Mihiri Wettasinghe, Kumari Pussepitiya, Bandula Samarasinghe, Nuwan Wickramasinghe
Introduction. Vitelline artery remnants are rare causes of intra-abdominal bands leading to bowel obstruction. These bands may be associated with Meckel's diverticulum. Double inferior vena cava (IVC) is a rare presentation and is usually identified incidentally. Case Presentation. A sixty-year-old male presented with progressive vomiting for five days and he was clinically diagnosed with intestinal obstruction. Plain X-ray abdomen showed evidence of small bowel obstruction. CT scan of the abdomen revealed dilated small bowel loops with a small outpouching in the distal ileum with a band like structure attached to it...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27800204/left-sided-upper-partial-anomalous-pulmonary-venous-return-through-a-curved-vein-joining-the-left-brachiocephalic-vein
#11
Eleonora Tricarico, Francesco Tricarico, Carlo Florio
The evaluation of pulmonary veins during cross-sectional imaging of the chest and the knowledge of their embryology and anatomy are useful for detecting congenital conditions that may be clinically significant. Moreover, with the spread of cross-sectional imaging it is very frequent to find anatomical variants; therefore the radiologist should easily recognize their appearances. This case report shows a left-side upper partial anomalous pulmonary venous return (PAPVR) through a "curved" vein that joins the left brachiocephalic vein, in a female patient who underwent whole-body computed tomography (CT) for staging endometrial cancer...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27795865/diagnosis-and-management-of-spontaneous-lumbar-venous-retroperitoneal-hematoma-in-setting-of-deep-venous-thrombosis-a-case-report-and-algorithm
#12
Joseph Tseng, Michael Leshen, Todd Chapman, Ryan Scott, Olga Kalinkin
Retroperitoneal hematoma is rare and benefits from a systematic approach to prevent morbidity and mortality. Management of such bleeds is based upon patient stability, the cause (spontaneous or posttraumatic), and source (arterial or venous). Herein, the authors describe a diagnostic and management algorithm for retroperitoneal hemorrhage with an example of a rare lumbar venous bleed under the complicated clinical setting of deep venous thrombosis.
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27752384/atypical-growth-pattern-of-an-intraparenchymal-meningioma
#13
Zhen Zeng, Tijiang Zhang, Yihua Zhou, Xiaoxi Chen
Meningiomas are the most common primary nonneuroglial extra-axial neoplasms, which commonly present as spherical or oval masses with a dural attachment. Meningiomas without dural attachment are rare and, according to their locations, are classified into 5 varieties, including intraventricular, deep Sylvain fissure, pineal region, intraparenchymal, or subcortical meningiomas. To the best of our knowledge, intraparenchymal meningioma with cerebriform pattern has never been reported. In this paper, we report a 34-year-old Chinese male patient who presented with paroxysmal headaches and progressive loss of vision for 10 months and blindness for 2 weeks...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27747124/intracranial-capillary-hemangioma-in-the-posterior-fossa-of-an-adult-male
#14
Jordan Nepute, Jinping Lai, Yihua Zhou
Intracranial capillary hemangioma (ICH) is a rare entity, with approximately 24 reported cases in the literature. There are only three reported cases of ICH in an adult male. In this case report, we describe the fourth documented case of ICH in an adult male and, to the best of our knowledge, the first ever documented case of ICH in the posterior fossa of an adult male. We also discuss its imaging appearance and differential diagnosis.
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27651970/mediastinal-hibernoma-a-rare-case-with-radiologic-pathologic-correlation
#15
Maxine Darke, Anil Dasyam, Matthew Then, Kavita Varma, Amir A Borhani, Rakesh Varma
Hibernomas, especially located in the mediastinum, are extremely rare benign tumors, which are important to consider in the differential diagnosis of a heterogeneously enhancing mass with areas of fat attenuation on imaging of an often incidentally discovered mass. Other common possibilities in the differential include malignant tumors, such as liposarcoma, hence histopathology is usually required to confirm the diagnosis. Hibernomas often follow the distribution of sites of persistence of brown fat in adults, and intrathoracic locations are unusual...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27630783/giant-cell-tumor-of-bone-documented-progression-over-4-years-from-its-origin-at-the-metaphysis-to-the-articular-surface
#16
Colin Burke, Thomas Link, Richard J O'Donnell, Soo-Jin Cho, Daria Motamedi
The exact location of origin for giant cell tumors of bone (GCTB) remains controversial, as lesions are not routinely imaged early but rather late when the tumor is large and clinically symptomatic. At the time of diagnosis, GCTB are classically described as lucent, eccentric lesions with nonsclerotic margins, located within the epiphysis to a greater extent than the metaphysis. Here we present a case of a biopsy proven GCTB initially incidentally seen on MRI as a small strictly metaphyseal lesion, which over the course of several years expanded across a closed physis to involve the epiphysis and abut the articular surface/subchondral bone plate...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27630782/tailgut-cyst-and-perineal-hydatid-cyst-a-case-report-with-multimodality-imaging-findings
#17
Ibtisam Musallam Aljohani, Khalefa Ali Alghofaily, Sebastian R McWilliams, Mnahi Bin Saeedan
A tailgut cyst is a rare developmental lesion and usually is located in the retrorectal or presacral space. Extrahepatic hydatid disease has been reported in several locations including the pelvis and it often poses a diagnostic challenge. There are very few reported cases of primary perineal hydatid cysts. We present the multimodality imaging findings of a tailgut cyst and concurrent perineal hydatid disease in a 32-year-old male patient.
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27597920/fatal-meningitis-in-a-14-month-old-with-currarino-triad
#18
Hanan Mohammed Al Qahtani, Khalid Suliman Aljoqiman, Hisham Arabi, Hesham Al Shaalan, Sumit Singh
We report a case of a 14-month-old girl with undiagnosed Currarino triad presenting acutely with meningitis caused by enteric commensals. Head CT demonstrated a large pneumocephalus. A fistulous neurenteric tract through a presacral mass was present on spine MRI and abdominal CT. The patient had a history of constipation for the last three months. However, an underlying diagnosis of Currarino triad had not been suspected. In retrospect, a sickle-shaped sacral anomaly was present on a previous abdominal radiograph...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27493824/mri-findings-of-syndrome-of-acute-bilateral-symmetrical-basal-ganglia-lesions-in-diabetic-uremia-a-case-report-and-literature-review
#19
Xin Cao, Qiang Fang, Hao Shi
The syndrome of acute bilateral basal ganglia lesions is an uncommon clinical occurrence exhibiting acute onset of movement abnormalities, which can be seen almost exclusively among patients with chronic renal failure, especially in the setting of concurrent diabetes mellitus. Symmetrical lesions located in basal ganglia demonstrated in MRI are typical manifestation of this syndrome. Our study includes routine MRI examination, MRS, 3D-ASL, and SWI findings, which have been rarely reported and will contribute to diagnosing more cases about this syndrome...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27478674/painful-os-peroneum-syndrome-underdiagnosed-condition-in-the-lateral-midfoot-pain
#20
Francisco Abaete Chagas-Neto, Barbara Nogueira Caracas de Souza, Marcello Henrique Nogueira-Barbosa
Os peroneum is an accessory ossicle located within the peroneus longus tendon. The painful os peroneum syndrome (POPS) results from a wide spectrum of conditions, including fractures, diastases, and other causes. POPS can result in tenosynovitis or discontinuity of the peroneus longus tendon with a clinical presentation of pain in the lateral aspect of the midfoot. Authors report a typical case of POPS, illustrating this entity through different imaging methods (radiographs, ultrasound, and magnetic resonance imaging)...
2016: Case Reports in Radiology
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