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Radiology Case Reports

Christian Hagdrup, Peter Sommer Ulriksen, Per Lav Madsen
Diagnosis of acute myocardial infarction (AMI) is based on clinical symptoms of chest pain and dyspnea in combination with electrocardiographic changes and a raise in myocardial-specific biomarkers. Imaging is by echocardiography and magnetic resonance. The preferred technique for identification of previous myocardial infarction (MI) is magnetic resonance imaging with late gadolinium technique, but in the acute patient echocardiography is applied. In selected cases, important information can be obtained from other imaging modalities...
September 2017: Radiology Case Reports
Yousuf Qaseem, Joanna Fair, Sanaz Behnia, Saeed Elojeimy
We present a case of a 60-year-old woman with history of follicular lymphoma in remission presenting for an 18F-fluorodeoxyglucose positron emission tomography/computed tomography for suspected recurrence. Imaging showed widespread hypermetabolic lymphadenopathy consistent with lymphoma recurrence. A 3-month 18F-fluorodeoxyglucose positron emission tomography/computed tomography follow-up after chemotherapy showed resolution of hypermetabolic lymphadenopathy but multiple new hepatic lesions and a new subtle rectal lesion...
September 2017: Radiology Case Reports
Takahiro Hosokawa, Yoshitake Yamada, Hiroaki Takahashi, Yumiko Sato, Yutaka Tanami, Keisuke Suzuki, Hiroshi Kawashima, Eiji Oguma
Congenital dermoid fistulas of the anterior chest regions (CDFACRs) consist of a skin orifice at the anterior border of the sternocleidomastoid muscle with fistulas extending caudally in the subcutaneous tissue near the sternoclavicular joint. We report 2 pediatric CDFACR cases with pathognomonic sonography findings. By using sonography, we could diagnose the fistulas as CDFACRs by focusing on their location and direction and could reveal the distal side for complete resection. We suggest that sonography, which does not involve radiation or require sedation, is a better choice for the initial examination of CDFACRs than computed tomography or MRI...
September 2017: Radiology Case Reports
Seema Toso, Meryle Laurent, Isabelle Ruchonnet-Metrailler, Jean-Claude Pache, Sylviane Hanquinet
Hypersensitivity pneumonia is clinically suspected and can be characterized on computed tomography by its pattern of diffuse lung disease, in children, as in adults. However, identifying the diagnosis is not always as simple. We report an organizing pneumonia pattern of hypersensitivity pneumonia that can be seen in adult patients, but has not been reported in the pediatric population.
September 2017: Radiology Case Reports
Tomoya Sekiguchi, Motoo Nakagawa, Shinji Miwa, Ayano Shiba, Yoshiyuki Ozawa, Masashi Shimohira, Keita Sakurai, Yuta Shibamoto
Calcifying aponeurotic fibroma (CAF) is a rare benign tumor that typically develops in the fascia and tendons. On MRI, CAF usually shows isointensity on T1WI and heterogeneous high intensity on T2WI. We report a case of 17-month-old girl with CAF on her right ankle. MRI showed an usual signal intensity for CAF. At 3 years and 4 months of age, MRI revealed hyperintense nodules on T1WI and T2WI inside of the CAF. These fatty areas corresponded to coarse calcified nodules on CT. Radiologists should be aware of the fact that fat-like signals can appear in CAF on MRI...
September 2017: Radiology Case Reports
Shima Aran, Gloria Suarez Duran, Valeria Potigailo, Andrew E Kim
A 63-year-old African American female with history of bilateral breast cancer status after lumpectomy and radiation therapy presented with right hand, wrist, and arm pain. She was found to have a right axillary mass and a large lesion in the right brachial plexus. A biopsy of the brachial plexus mass came back as a malignant peripheral nerve sheath tumor. This case report illustrates the critical value of multiple imaging modalities in definitive diagnosis of this rare pathologic entity.
September 2017: Radiology Case Reports
Andrew Ian Goldfinch, Timothy John Kleinig
Stroke-like migraine attacks after radiation therapy syndrome is a late complication of cranial radiation. It typically presents as reversible, unilateral cortical signs and symptoms such as confusion, hemiparesis, seizures, and headaches. Magnetic resonance imaging is also required for diagnosis, demonstrating cortical linear gadolinium enhancement. Typically, these magnetic resonance imaging findings resolve as patients experience partial or complete improvement in their symptoms and signs after a few weeks...
September 2017: Radiology Case Reports
Antonio Pierro, Savino Cilla, Eleonora Cucci, Giuseppina Sallustio
Congenital absence of internal carotid artery (ICA) is a rare anomaly seen in around 0.01% of the population. High incidence of aneurysms is reported in these patients population. Many patients are asymptomatic as the development of a collateral circulation ensures cerebral perfusion. The embryology, the common collateral pathways, and the imaging findings associated with this anomaly are illustrated with 2 new cases. We reported the cases of 2 totally asymptomatic patients at the time of imaging in which ICA agenesis was proved on computed tomography angiography...
September 2017: Radiology case reports
Usha D Nagaraj, Robert Hopkin, Mark Schapiro, Beth Kline-Fath
The coexistence of band heterotopia and polymicrogyria is extremely rare though it has been reported in the presence of corpus callosum anomalies and megalencephaly. We present prenatal and postnatal MRI findings of a rare case of diffuse cortical malformation characterized by polymicrogyria and band heterotopia. Agenesis of the corpus callosum and megalencephaly were also noted. In addition, bilateral closed-lip schizencephaly was identified on postnatal MRI, which has not been previously reported with this combination of imaging findings...
September 2017: Radiology Case Reports
Charles T Simpkin, Kelly E Davis, Brady S Davis, Andrew M Vosko, Michael E Jorgensen
Bow hunter's syndrome (BHS) is a rare cause of vertebrobasilar insufficiency that occurs when the vertebral artery (VA) is occluded on rotation of the head and neck. This dynamic occlusion of the VA can occur anywhere along its course after it arises from the subclavian artery. Although most cases are associated with compression by osteophytes, cervical spondylosis, or lateral disc herniation, BHS has a highly variable clinical course that depends on the patient's specific anatomy. Therefore, it may be important for clinicians to be aware of anatomical variants that predispose individuals to BHS...
September 2017: Radiology Case Reports
Celene Hadley, Atif Wasim Haneef Mohamed, Aparna Singhal
A young male, with a known history of hepatitis C and heroin abuse, was admitted to the emergency department with altered sensorium, left-sided weakness, and no meningeal signs. Initial computed tomography imaging showed hypodensity involving right basal ganglia with mass effect but no hemorrhage. Magnetic resonance imaging revealed multiple nonenhancing small foci of restricted diffusion involving the right basal ganglia, T2 and FLAIR hyperintensity within the right basal ganglia, and internal capsule with mild surrounding edema...
September 2017: Radiology Case Reports
Mena G Kerolus, Lee A Tan, Demetrius K Lopes
Vein of Galen malformations (VoGMs) are rare vascular malformations resulting from persistent shunting of primitive choroidal vessels into the median prosencephalic vein of Markowski. VoGMs are associated with poor clinical outcome with a reported 76.7% mortality if left untreated. We present an exceedingly rare case of a giant, untreated VoGM measuring 7.8 × 5.5 × 7 cm in a 42-year-old man. The embryologic origin, classification, clinical manifestations, and treatment options of VoGMs are discussed with a review of pertinent literature...
September 2017: Radiology Case Reports
Ângela Massignan, Felipe Victora Wagner, Pedro Toniolo de Carvalho, Alexandre da Silveira Cima
The persistent sciatic artery is a rare anatomical variant, representing the persistence of the sciatic artery in adult life that is responsible for the major blood supply to the lower limb in early embryologic development. Such persistence may be bilateral and can remain asymptomatic for many years. However, aneurysmal degeneration has been described as a complication of the persistent sciatic artery, which may cause critical limb ischemia resulting from thrombosis or embolization of aneurysm thrombus. Digital subtraction angiography, Doppler ultrasound, computed tomography angiography and magnetic resonance angiography are the most frequently used diagnostic tools to detect, classify and determine the presence of complications of a PSA...
September 2017: Radiology Case Reports
Nicholas M Beckmann, Lindsay Crawford
Neonatal Salter-Harris I fractures of the distal humerus are a rare injury. This injury can be easily mistaken for a posterior elbow dislocation, creating a delay in diagnosis. We present a case of a neonate with a distal humerus Salter-Harris I fracture secondary to trauma during delivery. The patient presented with pseudoparesis of the left arm following birth. Posterior displacement of the elbow was identified on radiographs. Ultrasound of the elbow was performed after a gentle closed reduction of the left elbow was unsuccessful...
September 2017: Radiology Case Reports
Dimosthenis Alaseirlis, Ioannis Tsifountoudis, George Konstantinidis, Dimosthenis Miliaras, Nikos Malliaropoulos, Panagiotis Givissis
Extraskeletal chondroma is a rare benign tumor with symptoms that could mimic other common musculoskeletal pathological entities. We present a rare case of an extraskeletal para-articular chondroma of the first metatarsophalangeal joint which was initially misinterpreted as joint synovitis, based on magnetic resonance imaging findings. Histology revealed benign chondroma of the foot, which was finally treated with radical surgical excision. More than 2 years postoperatively, no recurrence of the tumor has been encountered...
September 2017: Radiology Case Reports
Marco Di Serafino, Matilde Gioioso, Rosa Severino, Francesco Lisanti, Rosario Rocca, Paolo Sorbo, Domenico Maroscia
Tumoral calcinosis is a rare and benign hereditary tumor-like periarticular calcium deposit. It is painless and it is found commonly around large joints such as hip, shoulder and elbow. The condition predominately affects young black African patients with an equal gender ratio. In this report, a case of primary idiopathic localized tumoral calcinosis in a 22-year-old African man and its distinctive radiographic "chicken wire" pattern was described.
September 2017: Radiology Case Reports
Elizabeth M Johnson, Jamie T Caracciolo
Solid variant aneurysmal bone cyst is a rare benign bone lesion, representing a small fraction of all aneurysmal bone cysts. The imaging appearance and histologic features may overlap with other benign and malignant neoplasms, posing a diagnostic dilemma for clinicians, pathologists, and radiologists. We present a case of solid variant aneurysmal bone cyst of the distal fibula and review the radiologic and histologic features important for diagnosis.
September 2017: Radiology Case Reports
Jeffrey Tsai
Congenital radioulnar synostosis is a rare disorder resulting in the fusion of the radius and ulna from birth. Management is conservative. Operative treatment rarely succeeds.
September 2017: Radiology Case Reports
Oruaro Adebayo Onibere, Iain Stevenson, Fraser Jonathan Gill
Unicondylar knee replacement is a relatively common elective orthopedic procedure but is not often seen in the Emergency Department setting. Familiarity with normal clinical and radiological appearances is difficult to gain. Dislocation of the mobile bearing component "spacer" is a known complication of unicondylar knee replacements, and these patients will initially present to the accident and Emergency Department. In this setting, an accurate and prompt diagnosis is necessary to appropriately manage the patient's condition...
September 2017: Radiology Case Reports
Frances Lazarow, R Hampton Andrews, Jonathan Revels, Sarah Shaves
We present a case of a 50-year-old female with a 2-day history of back and abdominal pain who was discovered to have innumerable chronically retained acupuncture needles, which had migrated throughout her abdomen and pelvis. Although many of these needles were in precarious positions, including the epidural space, renal parenchyma, small bowel, and vasculature, there was no evidence for acute injury. We also briefly discuss evidence for the magnetic resonance imaging compatibility of acupuncture needles. Although a rare complication, given the high frequency of acupuncture therapy in the United States, physicians must be aware of the potential for retained and migrated needles...
September 2017: Radiology Case Reports
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