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Radiology Case Reports

Kriti Ahuja, Tarun Bhandari, Swati Banait-Deshmane, David R Crowe, Sushilkumar K Sonavane
Ectopic thyroid gland is a developmental anomaly that results from the arrest of thyroid tissue along its path of descent from the floor of mouth to the pre tracheal position in the lower neck. It is typically found along the thyroglossal duct with the base of the tongue being the most common site. Apart from mediastinal extension of goiter, the incidence of true intrathoracic ectopic thyroid tissue is rare. Presence of ectopic thyroid has been reported not only in the chest but also in the abdomen and pelvis...
August 2018: Radiology Case Reports
Katherine C L Hillyard, Shabnam Shabbir, Udawattage Nadeeka Sirisena, Maxine Hogarth, Ajay Sahu
Insufficiency fractures are recognized but rare complications in patients with longstanding rheumatoid arthritis. Such fractures are typically solitary and are rarely seen to affect the foot and ankle. We describe 3 women with longstanding rheumatoid arthritis, treated with one, or a combination of, corticosteroids, DMARDs and anti-TNF, presenting with foot and ankle pain with no prior history of trauma. MRIs showed rare multiple florid insufficiency fractures of the foot and ankle, in 2 cases bilaterally, which were managed conservatively...
August 2018: Radiology Case Reports
G Asafu Adjaye Frimpong, E Aboagye, P Amankwah, J Boateng, A S B Amoako-Adu
A 78-year-old black woman with a 10-year history of diabetes mellitus was admitted to the intensive care unit. Upon admission, she presented with chills, nausea, and left flank pain. The presence of hyperglycemia (fasting blood glucose, 19.7 mmol/L) and an altered consciousness required immediate treatment with insulin analog. Laboratory investigations and enhanced computed tomography scan led to the diagnosis of bilateral emphysematous pyelonephritis (EPN). The patient responded well to conservative treatment with antibiotics, and was finally discharged after 22 days when the computed tomography scan showed resolution of all the pockets of air...
August 2018: Radiology Case Reports
Scott P Patterson, Gregory B Christiansen, Richard H Daffner
Tibial eminence avulsion fractures are not infrequent in the pediatric population; however, they are rare in the adult population. These injuries typically occur in skeletally immature patients between the ages of 8 and 14 years. We report the unique clinical history, imaging findings, and operative results of a 48-year-old female who presented with severe knee pain. Imaging findings revealed an anterior tibial eminence fracture with an intact anterior cruciate ligament tendon attached to the avulsed fragment...
August 2018: Radiology Case Reports
Francisco Javier Grippi, Hyeon Yu
Splenic artery (SA) aneurysm and pseudoaneurysm are rare pathologies and uncommon causes of massive upper gastrointestinal (GI) bleeding. They represent the third most common intra-abdominal aneurysms. Variations in the origin of SA are relatively common and asymptomatic. However, the presence of an accessory SA that is symptomatic is quite atypical. In this report, we describe the case of a 73-year-old female who presented with massive upper GI bleeding caused by a pseudoaneurysm of a superior polar artery with an unusual anatomic origin...
August 2018: Radiology Case Reports
Visad Patel, Cara Bryan, Majed Pharaon, Michael Lynch
Following diagnosis of primary malignancies, subsequent workup includes evaluation for metastasis. Each malignancy, both location and histologic features, have statistically common and less common metastatic patterns. Metastatic lung adenocarcinoma typically involves lymph nodes, liver, brain, and bone. Very rarely can it involve the reproductive tract. Specifically, in females, multiple reported cases include ovarian metastasis. Even rarer, endometrial metastasis, such as this case report, has been reported...
August 2018: Radiology Case Reports
Alyssa R Goldbach, Sana Hava, Harshad Patel, Mansoor Khan
Intrauterine devices (IUDs) are the most common form of contraceptive used worldwide. The imaging features of IUDs and their potential complications are crucial to recognize in order to determine adequate positioning and ultimately function of the IUD. Herein, we report a rare case of a copper IUD embedded in the left fallopian tube that required surgical removal. Only a few such cases have been reported in the literature to date.
August 2018: Radiology case reports
Ricardo Uribe, Sebastian Isaza, Veronica Prada, Lina Cadavid, William Quiceno
Lymphangiomatosis is a rare congenital disease; diagnosis is made in the first 2 decades and affects almost all body parts. Imaging findings play an important role in the diagnosis. We present a case of a patient with lymphangiomatosis whose diagnosis was made solely with imaging findings; we also include a small review of the topic.
August 2018: Radiology Case Reports
Marjeta Tanka, Fjorda Tuka, Erjona Abazaj
Circumaortic right renal vein is an extremely rare finding and to our knowledge only 1 case has been reported in the literature so far. Its rareness, in contrast to left renal vein anomalies, is thought to be due to a relatively simple embryologic development of right renal vein compared with left renal vein. On the other hand, association of Circumaortic right renal vein with inferior vena cava agenesis and aortic coarctation is an extremely rare occurrence. Our aim is to introduce a case of Circumaortic right renal vein in a 3-month-old child with inferior vena cava agenesis and aortic coarctation...
August 2018: Radiology Case Reports
Roman O Kowalchuk, Roman M Kowalchuk, Katia Kaplan-List, Theodore K Oates, Sean C Smith
Gallbladder duplication is a rare anatomic variant of biliary anatomy, which can present diagnostic and treatment challenges. In this case, a 49-year-old male presented with classic symptoms of biliary colic to his primary care physician, and while computed tomography (CT) noted the presence of gallstones, neither CT nor ultrasound was able to locate a gallbladder within the gallbladder fossa. Initial surgery found and cauterized a rudimentary gallbladder, but symptoms persisted, requiring a second surgery and secondary analysis of CT, ultrasound, and magnetic resonance imaging with magnetic resonance cholangiopancreatography...
August 2018: Radiology Case Reports
Daniele Morosetti, Eliseo Picchi, Antonello Calcagni, Feliciana Lamacchia, Armando Ugo Cavallo, Alessio Bozzi, Adriano Lacchè, Gianluigi Sergiacomi
We reported the cases of two adult male patients who were admitted to our emergency room with abdominal pain and dyspnea caused by gallstones and pulmonary embolism respectively. During the radiological investigations, as collateral findings, we found two anomalous development of the inferior vena cava. These conditions affect about 4% of population and, although asymptomatic or mildly symptomatic, are associated with thrombotic manifestations as deep vein thrombosis and pulmonary embolism. The prompt recognition of these anomalies is necessary in order to prevent the complications associated with these conditions and to set the best therapy for patients...
August 2018: Radiology Case Reports
Gian Luigi Adani, Giuseppe Como, Filippo Bonato, Girometti Rossano, Umberto Baccarani, Alessandro Vit, Elda Righi, Patrizia Tulissi, Massimo Sponza, Andrea Risaliti
Transplant renal artery stenosis (TRAS) is a vascular complication occurring during the first 2 years after kidney transplantation, with an incidence and a prevalence ranging from 1% to 23%, and from 1.5% to 4%, respectively. Detection of TRAS is the key, since most stenoses may progress to renal graft loss, however it may be difficult to detect due to its nonspecific clinical manifestations. Although Doppler ultrasound has become a primary imaging technique, digital subtraction angiography (DSA) remains the gold standard for diagnosing TRAS...
August 2018: Radiology case reports
Alexandre Semionov, Rehana Jaffer, John Kosiuk
Melorheostos is a rare sclerosing bone dysplasia, characterized by cortical and medullary hyperostosis with typical "dripping candle wax" appearance, usually involving the long bones. Here, we present a case of melorheostosis of a rib, incidentally discovered in an asymptomatic adult patient.
August 2018: Radiology Case Reports
Thomas A Vander Jagt, Lara E Davis, Meghna Das Thakur, Carl Franz, Jeffery M Pollock
Immune checkpoint inhibitors are increasingly used in treatment of metastatic renal cell carcinoma, melanoma, and nonsmall cell lung cancer, as well as in clinical trials for novel targets. We present a pediatric patient with metastatic alveolar soft part sarcoma who was treated with MPDL3280 (Atezolizumab), a monoclonal anti-programmed death ligand-1 antibody. Imaging results for the patient suggested disease progression of multiple brain metastases with stable systemic disease. The patient met response evaluation criteria in solid tumors (RECIST) criteria of progression of disease and was removed from treatment with MPDL3280...
August 2018: Radiology Case Reports
Anubha Wadhwa, Kathleen Senebouttarath
Primary breast lymphoma has been defined as localized involvement of one or both breasts with or without ipsilateral axillary nodal involvement, usually as a rare manifestation of extranodal non-Hodgkin's lymphoma. We describe three cases of this uncommon disease seen at our institution. Two of these cases presented as palpable breast lumps and one was screening detected. None of the patients had a prior history of lymphoma; only one reported B symptoms night sweats and weight loss. Diagnosis was established on ultrasound-guided core biopsy and no evidence of metastatic disease was identified...
August 2018: Radiology Case Reports
Ilaria Mussetto, João Matos, Nicola Romano, Claudio Cancelli, Daria Schettini, Nicoletta Gandolfo
Spinal schwannomas arise from the cells covering the nerves within the spinal canal. In most cases, they remain confined within the intradural extramedullary space, but occasionally they extend into the extradural space resembling abdominal masses. We present a case of very large spinal schwannoma mimicking a renal mass at ultrasound exam. Using contrast-enhanced computed tomography and magnetic resonance imaging we were able to detect and characterize the lesion and consequently assign a preoperative diagnosis later confirmed by the histopathology report...
August 2018: Radiology case reports
Taiyou L Harada, Go Nagao, Teiichiro Aoyagi, Isao Kuroda, Naoto Tokuyama, Masahide Takahashi, Yuri Takahashi, Yukio Morishita, Sugahara Shinji
Schwannoma in the retroperitoneal space is rare, and it is extremely rare in patients with no history of neurofibromatosis. We present a case of giant retroperitoneal schwannoma in a 52-year-old man who did not have neurofibromatosis. Because malignant transformation would be extremely rare in this circumstance, close imaging follow-up could avert the necessity for complete resection. The possibility of schwannoma should be considered when evaluating retroperitoneal tumors with the characteristic findings, even if there is no connection between the tumor and the intervertebral foramina...
August 2018: Radiology Case Reports
Tareq Hamed Al Taei, Sarah Ali Al Mail
Inflammatory fibroid polyp (IFP), or Vanek's tumor, is a rare benign lesion of the gastrointestinal tract. According to the location and the size of the lesion, patients present with different clinical manifestations. Our case describes a patient who presented with a picture of a small bowel obstruction. Computed tomography revealed ileoileal intussusception without a clear lead point. The patient underwent resection of the intussuscepted small bowel with primary anastomosis. A polypoid mass was identified as the pathologic lead point...
August 2018: Radiology Case Reports
Kateryna Burlak, Tiffany Y So, William A Maclaurin, Andrew F Dixon
Foramen tympanicum (FT), or foramen of Huschke, describes an uncommon anatomicvariant of a persistent bony defect connecting the external acoustic meatus to the temporomandibular joint (TMJ). Although rare, it can be associated with significant complications, such as TMJ herniation, salivary gland fistula, infectious or tumoral spread between the external acoustic meatus and the TMJ, or result in inadvertent ear injury during TMJ arthroscopy. To the best of our knowledge, this is the first case report of a symptomatic FT with a full description of computed tomography and magnetic resonance imaging findings...
August 2018: Radiology Case Reports
Renata Conforti, Angela Sardaro, Alberto Negro, Giuseppina Caiazzo, Antonella Paccone, Rosita De Micco, Sossio Cirillo, Alessandro Tessitore
In this manuscript we report the case of a 69-year-old female patient, who suffers from Parkinson's disease (PD) with a dilated Virchow-Robin space (dVRS) on the left anterior perforated substance. During a magnetic resonance imaging examination, the presence of a dVRS was discovered on the left anterior perforated substance. Subsequently, the patient has been subjected to further investigation of magnetic resonance imaging and diffusion tensor imaging (DTI). The DTI data of our PD patient showed increased peak frequency of left fractional anisotropy and decreases in the distribution of Mean Diffusivity(MD) with changes in the fiber density compared to the normal contralateral tract...
August 2018: Radiology Case Reports
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