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Radiology Case Reports

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https://www.readbyqxmd.com/read/28491203/traumatic-lumbar-vertebral-ring-apophysis-fracture-with-disk-herniation-in-an-adolescent
#1
Geetanjalee Kadam, Kaustubh Narsinghpura, Sonali Deshmukh, Sanjay Desai
We present a case of a 15-year-old male with history of back pain and bilateral lower limb radiculopathy due to fall. The magnetic resonance imaging scan showed disc bulge at L2-L3 level causing compression on contained nerve roots. In this case, computed tomography scan was indispensable for diagnosis and classification of the vertebral apophyseal fracture and to guide appropriate further management. Apophyseal ring fracture is an uncommon cause of back pain with radiculopathy in adolescents and athletes. High degree of suspicion is necessary to differentiate these injuries from disc herniation so as to further guide appropriate conservative or surgical management...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491202/just-a-mirage-heterotopic-intrauterine-and-twin-ectopic-pregnancy-mimicked-by-mirror-imaging-on-ultrasound
#2
Rimsha Ahmed, Dejan Samardzic, Michael A Santos, Anna Mesina, Jaimie Maines
Heterotopic pregnancies are rare and are usually diagnosed by transvaginal ultrasound. Despite the routine use of sonography in early pregnancy, artifact created by mirror imaging can drastically and erroneously alter medical decision making by interfering with image interpretation. A heterotopic pregnancy with a single intrauterine gestation and twin left adnexal ectopic gestational sacs was observed on ultrasound in a woman presenting with abdominal pain. During laparoscopy, an ectopic pregnancy was not identified, and subsequent intraoperative ultrasound reproduced the heterotopic pregnancy through manipulation of bowel, confirming mirror image artifact...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491201/the-advantage-of-iron-containing-fiducial-markers-placed-with-a-thin-needle-for-radiotherapy-of-liver-cancer-in-terms-of-visualization-on-mri-an-initial-experience-of-gold-anchor
#3
Osamu Tanaka, Yoichi Nishigaki, Hideki Hayashi, Takayoshi Iida, Takamasa Yokoyama, Eiji Takenaka, Eiichi Yama, Eiichi Tomita
Radiotherapy for liver malignancy is increasing due to advances in radiotherapy technique. Visualization of the tumor as well as fiducial markers is essential. To see if improved visibility exists on computed tomography (CT) and magnetic resonance imaging (MRI), we evaluated an iron-containing fiducial marker. A patient with hepatocellular carcinoma and a patient with cholangiocarcinoma were enrolled. Pain caused by placement of marker and the best MRI sequence for visualization of both the fiducial marker as well as the liver tumor on MRI was evaluated...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491200/aneurysmal-angiosarcoma-associated-with-vascular-graft-revealed-by-18-f-fdg-pet-imaging
#4
Ahmed Chetouani, Mathieu Perrin, Clément Drouet, Pierre-Yves Marie, Antoine Verger
We report a rare case of vascular graft-associated aneurysmal angiosarcoma by (18)F-Fluorodeoxyglucose (FDG) positron emission tomography (PET). An 81-year-old male patient, with a prior history of graft interposition 1 year previously, was referred to (18)F-FDG-PET because of an inflammatory syndrome of unknown origin. FDG-PET images revealed a particular pattern of intense circular uptake within the arterial wall (SUVmax = 10) in a popliteal aneurysm and, additionally, a large hypermetabolic mass centered by the graft...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491199/emergent-sclerotherapy-of-a-newborn-with-expanding-lymphatic-malformation-causing-respiratory-distress
#5
Cameron C Sheehan, Winslo Idicula, Andrew Raabe, Kris Jatana, Tendy Chiang, Charles A Elmaraghy
The present report describes a case of acute airway obstruction in a newborn caused by an expanding hemorrhagic macrocystic lymphatic malformation (LM), which was successfully treated with emergent decompression and interventional radiology-guided sclerotherapy. The use of sclerotherapy for macrocystic LMs has been well described for various indications. The urgent interventional treatment obviated the need for a tracheostomy. This case describes the rapid diagnosis and use of sclerotherapy in a large expanding macrocystic LM...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491198/synovial-osteochondromatosis-in-a-14-year-old-boy-with-a-history-of-legg-calve-perthes-disease
#6
Gali Shapira-Zaltsberg, Kerri Highmore
We describe a case of a 14-year-old boy with a history of Legg-Calve-Perthes disease diagnosed at the age of 6 years and development of synovial osteochondromatosis of the same hip joint 7 years later. Synovial osteochondromatosis is very rare in children, and to the best of our knowledge, only a single case of Legg-Calve-Perthes disease and secondary synovial osteochondromatosis was described in the literature in a 35-year-old male, making this the first reported case of Legg-Calve-Perthes disease with development of synovial osteochondromatosis in a pediatric patient...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491197/traumatic-rupture-of-a-giant-congenital-splenic-cyst-presenting-as-peritonitis
#7
Alexander Tassopoulos, Melissa Wein, Annette Segura
Splenic cysts are uncommon, with large cysts and complications being rare. We describe a 6-year-old patient who initially presented 1 day after falling onto her abdomen at the playground with worsening abdominal pain and distention. An ultrasound of the abdomen demonstrated free abdominal fluid in all four quadrants. A subsequent contrast-enhanced computed tomography scan of the abdomen and pelvis was performed which showed a large splenic cyst with open communication to the peritoneal cavity. A congenital primary cyst was confirmed on pathology after partial splenectomy was performed...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491196/cerebral-palsy-and-seizures-in-a-child-with-tubulinopathy-pattern-dysgenesis-and-focal-cortical-dysplasia
#8
Kevin M Sweet, Dennis W W Shaw, Teresa Chapman
A 7-year-old boy with a history of spasticity, global developmental delay, and seizures was given the general diagnosis of cerebral palsy at an early age. Chromosomal array analysis performed at an outside center was normal. The patient's family sought neurodevelopmental pediatric care at a new institution following a move out of state. Electroencephalography confirmed abnormal epileptogenic activity. Brain magnetic resonance imaging showed findings consistent with a tubulin gene defect (tubulinopathy) and of focal cortical dysplasia, as well as evidence of a remote occipital lobe injury...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491195/pediatric-jugular-vein-aneurysm-phlebectasia-report-of-two-cases-and-review-of-the-literature
#9
Joe B Baker, Christopher R Ingraham, Gabriel C Fine, Ramesh S Iyer, Eric J Monroe
Jugular vein aneurysms are rare vascular abnormalities that are most commonly encountered in the pediatric population. We report two separate cases in infants, both of whom presented with enlarging neck masses and were found to have jugular vein aneurysms. Diagnosis was established with duplex ultrasonography, computed tomography angiography, digitally subtracted catheter venography, and magnetic resonance imaging in one case and magnetic resonance imaging with magnetic resonance angiography/magnetic resonance venography, gray scale ultrasonography, and digital subtraction catheter venography in the other case...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491194/leptomeningeal-carcinomatosis-and-bilateral-internal-auditory-canal-metastases-from-ovarian-carcinoma
#10
Martin Krupa, Kathy Byun
Ovarian cancer, a leading cause of death in women, typically spreads locally and rarely metastasizes to the brain or seeds the leptomeninges. We present a case of a 62-year-old woman with a history of treated ovarian cell carcinoma who developed bilateral sensorineural deafness and right-sided facial weakness and on imaging was found to have bilateral internal auditory canal (IAC) masses and leptomeningeal carcinomatosis, pathologically proven by cerebrospinal fluid cytology. We discuss her magnetic resonance imaging and positron emission tomography-computed tomography findings and review the imaging characteristics of IAC metastases...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491193/indium-111-labeled-leukocyte-accumulation-in-extremity-soft-tissue-sarcoma
#11
Victor Fong, Lester Johnson
Nuclear medicine labeled leukocyte whole-body scintigraphy is commonly used to identify a source of infection in a patient with fever of unknown origin. White blood cells can also localize to other sites of inflammation, including sometimes tumors. A patient with a large myxofibrosarcoma in his left forearm was scanned due to chronic low-grade fever and persistent leukocytosis. This case demonstrates focal white blood cell activity in an extremity soft tissue sarcoma.
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491192/a-case-report-of-spinal-dural-arteriovenous-fistula-origins-determinants-and-consequences-of-abnormal-vascular-malformations
#12
Sherry M Zakhary, Christopher L Hoehmann, Joshua A Cuoco, Kyle Hitscherich, Hamid Alam, German Torres
A spinal dural arteriovenous fistula is an abnormally layered connection between radicular arteries and venous plexus of the spinal cord. This vascular condition is relatively rare with an incidence of 5-10 cases per million in the general population. Diagnosis of spinal dural arteriovenous fistula is differentiated by contrast-enhanced magnetic resonance angiography or structural magnetic resonance imaging, but a definitive diagnosis requires spinal angiography methods. Here, we report a case of a 67-year-old female with a spinal dural arteriovenous fistula, provide a pertinent clinical history to the case nosology, and discuss the biology of adhesive proteins, chemotactic molecules, and transcription factors that modify the behavior of the vasculature to possibly cause sensorimotor deficits...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491191/internal-carotid-artery-dissection-and-pseudoaneurysm-formation-with-resultant-ipsilateral-hypoglossal-nerve-palsy
#13
Giuseppe Cruciata, Rikesh Parikh, Meera Pradhan, Jay Shah, Eric Greif, Evan G Stein
Craniocervical artery dissection is a potentially disabling condition caused by an intimal tear allowing blood to enter and dissect the media in the cranial direction which can occur spontaneously or as a result of trauma. When the dissection extends toward the adventitia, it can form a protrusion from the weakened vessel wall called a pseudoaneurysm, which may become a nidus for distal thromboembolism or cause mass effect on adjacent structures. Accurate and prompt diagnosis is critical as timely treatment can significantly reduce the risk of complications such as stroke...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491190/pyogenic-brain-abscess-with-atypical-features-resembling-glioblastoma-in-advanced-mri-imaging
#14
Arsany Hakim, Markus Oertel, Roland Wiest
Differentiation between infectious and neoplastic brain processes is crucial for treatment planning. Advanced magnetic resonance imaging techniques, such as diffusion, perfusion, susceptibility weighted imaging, and magnetic resonance spectroscopy, enhance the imaging differences between these two pathologies. However, despite the utilization of these advanced techniques, the pathologic process may be confound by atypical findings. Here, we report a case of an autistic patient with multiple brain lesions with diffusion weighted imaging, susceptibility weighted imaging, and perfusion patterns resembling features of a multicentric glioblastoma, which were confirmed surgically, neuropathologically, and bacteriologically as brain abscesses...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491189/asymmetric-bone-mineral-density-in-the-bilateral-femoral-necks-due-to-gluteal-implants-a-case-report
#15
Jennifer L Favinger, Charles H Chesnut, Felix S Chew
Interpreting asymmetric bone mineral density in the bilateral hips on dual energy x-ray absorptiometry requires investigation into the potential causes, both real and artifactual. Silicone gluteal implants have been reported to cause abnormally elevated bone mineral density. We report a case of abnormally low bone mineral density in a patient with bilateral gluteal implants. This is likely due to patient positioning and inability of the computer to identify the superior margin of the proximal femur and the femoral neck...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491188/brace-yourself-an-unusual-case-of-knee-pain-an-extradigital-glomangioma-of-the-knee
#16
Victoria V Villescas, Paul L Wasserman, James C Cunningham, Anwer M Siddiqi
The differential diagnosis for knee pain is extensive. Glomus tumors comprise approximately 1.6% of soft-tissue tumors in the extremities. Classic subungual tumors occur more frequently in women, whereas ectopic locations are more common in men. Unusual locations include the stomach; lungs; trachea; bones; intestines; fallopian tubes; and intraneural, neuromal, and intravenous locations. We present the case of a 50-year-old man with a 12-year history of enlarging right knee mass found to be a glomangioma. This case report discusses the incidence, presentation, imaging characteristics, histology, and management of glomus tumors of the knee...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491187/giant-cell-tumor-of-the-tendon-seath-of-the-tendinous-insertion-in-pes-anserinus
#17
Aikaterini Solomou, Pantelis Kraniotis
A 56-year-old woman with a palpable lump in the medial surface of her left knee was referred for diagnostic workup with magnetic resonance imaging. The lesion was pathogically confirmed to be a giant cell tumor of the tendon seath. The MR features of the lesion are presented.
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491186/quantifying-spasticity-in-individual-muscles-using-shear-wave-elastography
#18
Sarah F Eby, Heng Zhao, Pengfei Song, Barbara J Vareberg, Randall R Kinnick, James F Greenleaf, Kai-Nan An, Allen W Brown, Shigao Chen
Spasticity is common following stroke; however, high subject variability and unreliable measurement techniques limit research and treatment advances. Our objective was to investigate the use of shear wave elastography (SWE) to characterize the spastic reflex in the biceps brachii during passive elbow extension in an individual with spasticity. The patient was a 42-year-old right-hand-dominant male with history of right middle cerebral artery-distribution ischemic infarction causing spastic left hemiparesis...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491185/extra-adrenal-pheochromocytoma-at-the-organ-of-zuckerkandl-a-case-report-and-literature-review
#19
Tarana Gill, Kalie Adler, Alicia Schrader, Keyur Desai, Joshua Wermers, Nebiyu Beteselassie
Pheochromocytomas and paragangliomas are tumors that occur in characteristic locations and are commonly detected on imaging studies. A correct diagnosis is important because of differences in associated neoplasms, risk for malignancy, and need for genetic testing. In addition, associated complications, including death, can be avoided if appropriately recognized and treated. Here, we report a rare case of an extra-adrenal paraganglioma of the organ of Zuckerkandl.
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491184/feasibility-of-transfemoral-hepatic-vein-wedged-portal-venous-pressure-measurement-in-total-artificial-heart
#20
Ashwani Kumar Sharma, Jonathan Huang, Himabindu Vidula, Jeffrey Alexis, Juan M Lehoux
The development of technology and limitation of numerous ventricular assist devices has increased usage of the total artificial heart (TAH) for mechanical circulatory support. A primary important feature of TAH is that it is one of the few mechanical circulatory support devices that provides biventricular support. As the number of patients with TAH rises, spreading awareness about the device in the interventional radiology community is important.
June 2017: Radiology case reports
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