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Radiology Case Reports

M Vidal, A Alvarado, J López, J Sierra, A Ruíz
18 F-labeled fluoro-2-positron deoxyglucose emission tomography/computed tomography has been widely used in malignancy assessment, however, is not tumor-specific and may be taken up by non-malignant conditions such as sarcoidosis. Sarcoidosis is a systemic inflammatory disorder and scar sarcoidosis is a rare manifestation of the disease. A 60-year-old man with a past medical history of synchronous colon adenocarcinoma and clear cell renal cell carcinoma with clinical suspicion of tumor recurrence. 18 F-labeled fluoro-2-positron deoxyglucose emission tomography/computed tomography scan demonstrated lesions with increased fluorodeoxyglucose uptake in mediastinal and left supraclavicular lymph nodes, along with hypermetabolic cutaneous foci that corresponded with previous surgical scars...
December 2018: Radiology Case Reports
Grecia Iveth Raymundo-Martínez, Rodrigo Gopar-Nieto, Gonzalo Carazo-Vargas, Diego Araiza-Garaygordobil, Sergio Raul Scuri, Laura Leticia Rodríguez-Chavez, Nilda Espinola-Zavaleta
Many factors have been associated with venous thromboembolism. Among them, vitamin B12 deficiency can produce elevated homocysteine levels, which is a risk factor for venous embolism, since the latter interferes with the activation of Va coagulation factor by activation of C protein. We present a case of a patient with metabolic syndrome with apparently unprovoked pulmonary embolism. After careful evaluation, megaloblastic anemia was detected. Even though the patient had biochemistry findings of hemolysis and blood smear did not showed fragmented erythrocytes, which is consistent with pseudo-microangiopathic hemolytic anemia...
December 2018: Radiology case reports
Cory M Pfeifer, Dane C Van Tassel, Jeffrey H Miller
Propionic acidemia is a rare metabolic disorder that affects the catabolism of branched-chain amino acids and oddchain fatty acids. Propionic acidemia is one of the least common organic acidemias. Presented here are manifestations not previously characterized. The first case is an infant with diffuse subcortical diffusion restriction and vermian atrophy. The second case is an adolescent with asymmetric cortical volume loss and contralateral cortical diffusion restriction. These unique brain MRI findings of propionic acidemia may aid the neuroradiologist in guiding genetic testing for occult metabolic disease...
December 2018: Radiology Case Reports
Omar Alharthi, Vahid Etezadi
Introduction: Transjugular liver biopsy (TJLB) is a minimally invasive procedure performed to obtain hepatic tissue in patients whom standard percutaneous liver biopsy is contraindicated due to abnormal coagulation profile and/or severe ascites. Additionally, it has the advantage of simultaneously measuring the hepatic venous pressures. Case Presentation: 61-year-old male with history of pulmonary fibrosis, cholecystectomy and Hepatitis C underwent transjugular liver biopsy (TJLB) as part of his lung transplant workup...
December 2018: Radiology Case Reports
Sakib Moghul, Sidath Liyanage, Suresh Vijayananda, Matthew Tam, Ioannis Kapralos
Anatomic variants of the urinary tract are relatively common; however, a bifid ureter with a blind-ending branch is a rare congenital anomaly. This variant often goes unnoticed because patients are either asymptomatic or complain of vague abdominal symptoms. Diagnosis is often incidental, and may be missed on conventional imaging. Although bifid ureters usually do not require any specific investigations or treatment; it is important to have an appreciation for these anomalies particularly if radiological intervention or surgical procedures are planned...
December 2018: Radiology Case Reports
Adil Omer, Ester Engelman, Justin McClain
A 50-year-old man with a history of chronic pancreatitis due to alcoholism presented with dyspnea, at which time he was diagnosed with pleural effusions, treated, and discharged. Two months later, he was readmitted with hemoptysis and abdominal pain. CT and MRI of the chest demonstrated a mediastinal cystic mass that communicated with the retroperitoneum. Ultrasound-guided aspiration of the cystic mass revealed high levels of amylase, confirming that the mass was a rare pancreatic pseudocyst extending into the mediastinum...
December 2018: Radiology Case Reports
Esther Hwang, Janet Szabo, Alex Federman, Laurie R Margolies
Unilateral axillary lymphadenopathy has various benign and malignant etiologies. Although benign causes are more common, it is important to exclude malignant causes, including metastasis from primary breast carcinoma. Benign etiologies include reactive adenopathy, granulomatous disease, and collagen vascular disease. We present a case of unilateral right axillary lymphadenopathy in a patient with rheumatoid arthritis. The pathologic diagnosis of granulomatous lymphadenitis and interval discovery of patient's history of latent tuberculosis led to a second biopsy for special mycobacterial staining and cultures with a final diagnosis of reactivation tuberculosis...
December 2018: Radiology Case Reports
Cory M Pfeifer, Rana M Yazdani
Endophthalmitis is most commonly seen in adults shortly after cataract surgery. It is rare in the pediatric population. Presented here is a case of endophthalmitis following strabismus repair in a 9-month-old patient with Trisomy 21. Leukocoria was observed 15 days after surgery, but the child did not exhibit symptoms of infection, and the ordering clinician requested an MRI of the brain and orbits to assess the possibility of retinoblastoma. This case highlights the importance of MRI in the evaluation of leukocoria and displays typical MRI findings of this infrequently-encountered condition in the pediatric population...
December 2018: Radiology Case Reports
Saralyn Beckius, Kamran Shah
Leptomeningeal amyloidosis is a subset of familial transthyretin amyloidosis, a family of diseases occurring in conjunction with multiple known mutations of the transthyretin gene. Though this is primarily a disease of the central nervous system, amyloid deposition is multisystemic. We describe a case of a 61-year-old man with known central nervous system amyloidosis presenting to the emergency room with stroke-like symptoms, including left hemineglect, right gaze paresis, and left hemiplegia, atop baseline dementia...
December 2018: Radiology Case Reports
Laryn Steadman, Susan Crook
Fibromatoses are soft tissue tumors composed of fibroblasts which commonly appear in the muscular aponeurosis of the abdomen. Mammary fibromatoses occur in only 0.2% of breast neoplasms and have been reported in association with prior breast augmentation and Gardner's syndrome. Multiple imaging modalities have been used to characterize the appearance of breast fibromatosis; however, it remains a tissue diagnosis given the variability both within and across modalities. We present the case of a 25-year-old female with a history of palpable breast mass who was evaluated with ultrasound, diagnostic mammography, MRI, and CT...
December 2018: Radiology Case Reports
Paul D Stein, James E Denier, Lawrence R Goodman, Fadi Matta, Mary J Hughes
Pulmonary vein thrombosis in patients with medical illnesses has been rarely reported, and it is also rarely reported in those with no risk factors. We report 2 patients with pulmonary vein thrombosis, 1 with metastatic renal cell carcinoma and 1 with presumed pulmonary aspergillosis. Thrombi or tumors in a pulmonary vein are clinically important because they may cause systemic embolism or hemoptysis.
December 2018: Radiology Case Reports
Latronico Antuono, Faggian Angela, Nicosia Luca, Mazzarol Giovanni, Cassano Enrico
Breast metastasis from ovarian cancer is a rare event, with vary clinical and imaging presentations, depends on the form of dissemination of the disease and may mimic primary benign and malignant lesions.Confirmation of the diagnosis is of pivotal importance to choice an adequate therapeutic planning, allowing to avoid unnecessary surgeries and to provide appropriate systemic therapy. In this manuscript, we present a case of breast metastasis from ovarian cancer. The patient presented to our Institute with a localized, palpable mass in the upper outer quadrant of the right breast...
December 2018: Radiology Case Reports
James Covelli, Erica K Schallert, J Herman Kan, William C Pederson
Coalition of the carpal bones is a relatively uncommon anatomic anomaly. The majority of carpal coalitions occur between the lunate and triquetrum. There are rare reports of coalition involving the hamate and pisiform. We report a case of a previously asymptomatic male who sustained minor trauma and was found to have hamate-pisiform coalition complicated by a minimally displaced pisiform fracture.
December 2018: Radiology Case Reports
Dan Isaac Cohen-Addad, Kevin Hewitt, Donnie Bell
We report a case of a ventriculoperitoneal shunt incidentally found within the stomach while the patient was undergoing a percutaneous endoscopic gastrostomy (PEG) tube placement. Among the complications of ventriculoperitoneal shunt placement, bowel perforation is rare a complication found in 0.01%-0.07% of cases, and typically occurs in premature infants and neonates [1]. To date, less than 100 such cases have been recorded of which only a few have appeared in the radiological literature. Here we discuss the current literature, the radiological features, clinical presentations and the management...
December 2018: Radiology Case Reports
Ishaq S Al Salmi, Faten Al-Douri, Ehsan A Haider, Terence M Menezes
Patients who get pregnant after being treated with in vitro fertilization (IVF) are at significantly increased risk of ovarian torsion compared to the general population and also in comparison to patients who get pregnant normally [1,2]. The risk is further increased in patients who develop ovarian hyperstimulation syndrome [1]. This possibility should be considered in this group of patients presenting with acute abdominal pain and immediate management should be commenced. Here, we report 2 patients who received treatment for infertility with IVF and developed ovarian torsion and we discuss their management including the imaging workup...
December 2018: Radiology Case Reports
Driss Raissi, Qian Yu, Qiong Han
Uterine fibroid embolization has been proven effective in treating symptomatic uterine fibroids for appropriately selected patients as an alternative option to surgical approaches. The most common adult uterine position is anteverted followed by a retroverted uterus which can be found in roughly 15%-20% of normal adult females. The positioning of the uterus can change from anteversion to retroversion due to the filling of bladder or during pregnancy; however, changing from retroverted to anteverted position without prior pregnancy or endometriosis is rather uncommon...
December 2018: Radiology Case Reports
Shazia Rahat Chaudhry, Stephany Barreto, Sajeev R Ezhapilli
Congenital absence of the internal carotid artery is a rare occurrence. Even more infrequent are cases where the patient has a bilateral absence of the internal carotid arteries. Reported is a case of a 52-year-old woman who presented with optic nerve neuropathy, and was incidentally discovered to have a congenital bilateral absence of her internal carotid arteries. During computed tomography angiography imaging looking for cerebral venous thrombosis, related to her preexisting condition of bilateral elevated optic discs and residual left optic neuropathy, the findings were made...
December 2018: Radiology Case Reports
Vanya Aggarwal, Anthony Chuprin, Abhimanyu Aggarwal, Harlan Vingan, Edwin Crandley
Cervical cancer is the third most common cancer among women worldwide and is usually managed with chemoradiation in advanced disease. This case presents a 41-year-old female with locally advanced cervical cancer who underwent combination intracavitary/interstitial brachytherapy after chemoradiation for local disease control. At her fifth brachytherapy session, one of the interstitial needles was malpositioned and lead to vascular injury with significant blood loss. She subsequently underwent emergent embolization of a branch of the right obturator artery with immediate clinical improvement and no complications...
December 2018: Radiology Case Reports
Jin-Suk Kim, Ari Chong, Sun Moon Kim
More than 10% of the healthy population has one or more accessory spleens. An accessory spleen can be mistaken for a gastric subepithelial mass, and may not be differentiated by CT or endoscopic ultrasonography (EUS). A gastric subepithelial mass was detected on routine endoscopy in a 52-year-old man with a history of splenectomy 10 years previously for trauma. Subsequent EUS and CT located the subepithelial mass on the fourth layer of the stomach fundus. A definitive diagnosis was obtained by performing technetium-99m (99m Tc-)-labeled denatured red blood cell (RBC) scintigraphy...
December 2018: Radiology Case Reports
Minami Akahoshi, Kiyoyuki Yanaka, Daisuke Watanabe, Kazuhiro Nakamura, Alexander Zaboronok, Eiichi Ishikawa, Akira Matsumura
Intracranial epidermoids are rare lesions accounting for 0.2%-1.8% of all intracranial tumors. They commonly develop in the cerebellopontine angle and the parasellar region and can appear with atypical neuroimaging features due to intracystic hemorrhages which complicate diagnosis. The authors present a case of a 62-year-old woman with a frontal epidermoid cyst with a hemorrhage and tumor growth. A series of atypical radiological findings showed gradual changes in the lesion appearance that were confirmed with surgery and histopathology...
December 2018: Radiology Case Reports
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