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Neuroendocrine tumor presenting like lymphoma: a case report
2011
Journal of Medical Case Reports
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Neuroendocrine tumors are a rare but diverse group of malignancies that arise in a wide range of organ systems, including the mediastinum. Differential diagnosis includes other masses arising in the middle mediastinum such as lymphoma, pericardial, bronchogenic and enteric cysts, metastatic tumors, xanthogranuloma, systemic granuloma, diaphragmatic hernia, meningocele and paravertebral abscess. Case presentation: We present a case of 42-year-old Caucasian man with a neuroendocrine tumor of the
doi:10.1186/1752-1947-5-506
pmid:21974797
pmcid:PMC3195764
fatcat:ulzhb7tcarau5g7l2cfqb6neyu
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... iddleposterior mediastinum and liver metastases, which resembled a lymphoma on magnetic resonance imaging. Conclusion: The differential diagnosis in patients with mediastinal masses and liver lesions should include neuroendocrine tumor.
Osteofibrous dysplasia: A case report and review of the literature
2011
Radiology Case Reports
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Osteofibrous dysplasia (OFD) is a rare bone tumor affecting young individuals. The differential diagnosis between OFD and adamantinoma may be challenging in some cases on imaging. We present a case of OFD and discuss the key imaging and histological findings. We also discuss the differential diagnosis between OFD and classical adamantinoma on the basis of recent literature.
doi:10.2484/rcr.v6i4.546
pmid:27307931
pmcid:PMC4899941
fatcat:a6qtwbikhng6jklmf7w2zwqtcq
Imaging of Renal Angiomyolipomatosis
2018
Journal of Renal and Hepatic Disorders
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Angiomyolipoma is a type of benign renal tumor. It is sporadic and isolated in 80% of cases. The remaining 20% is associated with tuberous sclerosis complex or pulmonary lymphangioleiomyomatosis. Generally, angiomyolipomas manifest themselves as angiomyolipomatosis, in which the angiomyolipomas are larger, bilateral, and widespread. Understanding whether angiomyolipomas are present in the context of angiomyolipomatosis is of considerable importance because it might be associated with malignant
doi:10.15586/jrenhep.2018.37
fatcat:lv4ns52lznb35fleerdq2v4n5m
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... esions. This article provides an overview of the radiological features of renal angiomyolipomatosis under different imaging techniques such as ultrasound, computed tomography, and magnetic resonance.
Azygo-Tracheal Fistula in a Complete Implantable Central Venous System
2006
Journal of Clinical Oncology
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Carlo Cosimo Quattrocchi, Matteo Sammarra, Massimiliano Carassiti, Bruno Vincenzi, Giuseppe Tonini,
Rosario Francesco Grasso, and Bruno Beomonte Zobel
Biomedica esearct epartn
est 120:1
DOI: 10.1200/JCO ...
doi:10.1200/jco.2006.05.6440
pmid:16921059
fatcat:3cwnhqum6zccrg4nlr27uifeoi
Unilateral Blepharoptosis From Renal Cell Carcinoma
2016
Journal of Kidney Cancer and VHL
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<p>Blepharoptosis is the drooping or inferior displacement of the upper eyelid. Blepharoptosis can be either congenital or acquired. Tumour metastasis is one of the acquired causes of blepharoptosis. The lungs, locoregional lymph nodes, bone and liver are the usual sites of metastases of renal cell carcinoma (RCC); however, unusual locations of RCC have also been reported. Herein, we describe a case of a 47-year-old man with unilateral ptosis and blurred vision due to metastatic RCC. We
doi:10.15586/jkcvhl.2016.61
pmid:28326282
pmcid:PMC5345509
fatcat:uz6p7ouo2raudhn5ijkx2c7x2a
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... the different causes of blepharopstosis, the path that led to the diagnosis, and how RCC can metastasize to unusual anatomical regions such as the orbit. Symptoms such as exophthalmos, lid edema, diplopia, ptosis, cranial nerve paralysis or blurred vision may mime a benign disease; however, they could also be the symptoms of a systemic malignancy.</p>
Vocal Cord Metastasis From Breast Cancer
2007
Journal of Clinical Oncology
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O.0TY
Carla Rabitti, and Bruno Beomonte Zobel
Interdisciplinary Center for Biomedical Research, Department of Radiology, Otolaryngology-Head and Neck Surgery and Pathology, Universita Campus Bio- Medico ...
doi:10.1200/jco.2007.10.7268
pmid:17470873
fatcat:rsf47y4lrreyfmjkq3gdo3e4ly
Ultrasound Imaging of Cystic Nephroma
2017
Journal of Kidney Cancer and VHL
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<p>Cystic nephroma is a rare, benign multicystic lesion of the kidney. This tumor occurs both in children and in adults. In children, it is highly prevalent in males; in adults, it is more frequent in women. The term "cystic nephroma" represents two apparently different entities: pediatric cystic nephroma, a benign form thought to originate from metanephric tissue, and adult cystic nephroma, considered as a lesion of mixed epithelial stromal tumor. The clinical presentation may be a palpable
doi:10.15586/jkcvhl.2017.79
pmid:28752022
pmcid:PMC5519771
fatcat:yklpwdtxezc67hafzsacbqxva4
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... s or nonspecific symptoms such as abdominal pain, hematuria, and urinary tract infections. In this review, we summarize the ultrasound imaging features of cystic nephroma and describe the characteristics of the most common renal cystic lesions and the differential diagnosis of cystic nephroma with other renal cystic lesions.</p>
Imaging of Renal Medullary Carcinoma
2017
Journal of Kidney Cancer and VHL
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<p>Renal medullary carcinoma (RMC) is a rare, highly aggressive tumor recognized as an independent pathological entity. African-descent adolescents and young adults with sickle cell hemoglobinopathy are the most affected groups. This rare subtype of renal cell carcinoma has its own morphogenetic and pathological characteristics. The major clinical manifestations include gross hematuria, abdominal or flank pain, and weight loss. The prognosis is very poor, with 95% of cases diagnosed at an
doi:10.15586/jkcvhl.2017.62
pmid:28405543
pmcid:PMC5364331
fatcat:okqurdekmvetnihveqfnjl5lpe
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... ed stage of the disease. In this review, we summarize the morphologic and dynamic characteristics of RMC under various imaging modalities such as ultrasound, computed tomography, and magnetic resonance. Differential diagnosis and management strategies are also discussed.</p>
Portomesenteric Venous System Gas after CT Colonography: A Case Report
2012
Case Reports in Radiology
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Portomesenteric vein gas can occur owing to a variety of interraleted factors such as loss of mucosal integrity and intraluminal overpressure, and the most common and serious cause is bowel ischemia, which requires urgent laparotomy. Nevertheless, when portal venous gas is caused by nonischemic causes, surgery is not required and it can be treated conservatively. So, its features should be carefully evaluated at CT scan, together with clinical findings. The authors report a case of an old male
doi:10.1155/2012/420901
pmid:23050186
pmcid:PMC3461289
fatcat:ezqfhqllb5cvfnfmnkg6cwljpq
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... ith portomesenteric venous system gas after CT colonography, without evidence of pneumatosis intestinalis or colonic perforation. A CT scan without enema was required after 24 hours in absence of worsened patient conditions, revealing the disappearance of gas in mesenteric vein and in the portal venous system.
Diffuse Alveolar Hemorrhage After Leflunomide Therapy in a Patient With Rheumatoid Arthritis
2008
Journal of thoracic imaging
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We report the case of a young man, affected by rheumatoid arthritis who developed a rapid-onset shortof-breath, hemoptysis, and severe weakness, about 2 weeks after the administration of leflunomide. Chest radiography showed central bilateral opacities and pleural effusion as confirmed by the high-resolution computed tomography that demonstrated diffuse ground-glass and interlobular septal thickening as well. On admission at the Emergency Department, a microhematuria and a severe anemia were
doi:10.1097/rti.0b013e3181598d40
pmid:18347524
fatcat:gwchhke6tnf57nwystm35rr6ue
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... o documented. On the basis of the clinico-radiologic presentation, a pulmonary hemorrhage was likely to occur; so to clarify the origin of this process, a complete serologic examination was performed but all the antibodies were negative. Finally a renal biopsy was performed and it showed a pauci-immunologic glomerulonephritis and the bronchioloalveolar lavage confirmed the diffuse alveolar hemorrhage. In conclusion, the diagnosis of leflunomide-pulmonary-renal syndrome was rendered. The treatment with leflunomide was suspended; the conditions of the patient gradually improved and he became completely asymptomatic 1 week later.
Gender-based differences of abdominal adipose tissue distribution in non-small cell lung cancer patients
2018
Shanghai Chest
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Lung cancer is a malignant tumor with high lethality, responsible for about 28% of all cancer deaths. In this study, using a quantitative CT imaging-based approach, we aimed to investigate the differences of abdominal adipose tissue distribution in patients with non-small cell lung cancer (NSCLC) according to gender. Methods: A group of 66 patients with NSCLC at first diagnosis [male: 45, mean age: 67.3 years (range, 51.0-88.0 years); female: 21, mean age: 62.4 years (range, 44.0-84.0 years)]
doi:10.21037/shc.2018.03.03
fatcat:kvfzokdidfba7hyc7vvbp4ziwq
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... s included. As a control group, 70 patients without history of malignancies who have undergone a chest-abdomen CT for pre-operative cardiovascular surgery planning [male: 42, mean age: 62.7 years (range, 40.0-83.0 years); female: 28, mean age: 66.4 years (range, 39.0-83.0 years)] was included. We calculated total adipose area (TAA), visceral adipose area (VAA) and subcutaneous adipose area (SAA) using OsiriX to analyze cross-sectional CT images. The differences were analyzed using the Student's t-test (P<0.05). The Pearson's correlation coefficient (r) and the significance of the simple regressions (ρ) were calculated. Results: In the female group, the visceral/subcutaneous (V/S) ratio was higher in the control group than in patients. Conversely, in the male group we found a higher V/S ratio in patients then controls. Considering male and female together, the age parameter showed a significant positive correlation with the amount of visceral (r=0.390; P=0.001) and total (r=0.270; P=0.030) fat in the patients. Dividing the groups between male and female, the age parameter showed a significant positive correlation with the amount of visceral fat in the female patients (r=0.440; P=0.049), visceral fat in the male patients (r=0.320; P=0.030), subcutaneous fat in the female patients (r=0.480; P=0.030) and total fat in the female patients (r=0.490; P=0.020). Conclusions: The results of this study are in line with the concept of differential gender-based relationships among abdominal fat distribution, age and NSCLC.
Different Treatments of Symptomatic Angiomyolipomas of the Kidney
2021
Journal of Kidney Cancer and VHL
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Development of more sensitive imaging techniques has caused an increase in the number of diagnosed small renal tumors. Approximately 2–3% of these lesions are proved to be angiomyolipomas (AML), a rare benign tumor of the kidney sometimes causing pain and hematuria. The most required approach is observation, but in the case of recurrent symptoms or larger tumors, which may cause bleeding, a more active treatment is required. We present two cases of symptomatic AML tumors of different sizes in
doi:10.15586/jkcvhl.v8i4.181
pmid:34722129
pmcid:PMC8532053
fatcat:mabkwr2onfh7foloq3uthg7v4m
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... e kidney: one treated with transarterial embolization (TAE), and the other with percutaneous cryoablation (CRA). The lesions were diagnosed on the basis of contrast-enhanced computed tomography (CT) scan and magnetic resonance imaging (MRI). Both treatments proved to be effective and safe for treating renal AMLs. A follow-up carried out, based on contrast-enhanced CT scan, confirmed complete treatment of AML and decreased lesion size. There are myriad minimally invasive approaches for the treatment of renal AMLs, and the preservation of renal function remains a priority. The most popular treatment option is the selective renal artery embolization. Owing to its limited invasiveness, CRA could be an attractive option for the preventive treatment of AML.
Brain microischemic phenomena in a woman receiving bevacizumab treatment: a case report
2011
Journal of Medical Case Reports
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Several adverse events have been associated with the use of bevacizumab during the treatment of neoplasms such as colorectal cancer, breast cancer, non-small cell lung cancer, pancreatic cancer and renal cell carcinoma. The present case demonstrates how focal neurological symptoms lead to the magnetic resonance imaging-based differential diagnosis between focal parenchymal metastases and microischemic phenomena, with crucial implications for patient management. Case presentation: We describe
doi:10.1186/1752-1947-5-84
pmid:21352580
pmcid:PMC3058088
fatcat:ebozb2asd5ajnne4i53vuwinhm
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... case of a 37-year-old Italian Caucasian woman with metastatic colon cancer who developed focal neurological symptoms during a chemotherapy regimen involving the use of bevacizumab. Brain magnetic resonance imaging examination revealed millimetric lesions with restricted diffusion without perilesional edema or contrast enhancement after gadodiamide intravenous injection, suggestive of acute microischemic phenomena. This complication is very rare but clinically significant. Conclusion: The differential diagnosis in patients with cancer undergoing bevacizumab treatment should include microischemic phenomena.
Treatment of Early-Stage Pressure Ulcers by Using Autologous Adipose Tissue Grafts
2014
Plastic Surgery International
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Assessing pressure ulcers (PUs) in early stages allows patients to receive safer treatment. Up to now, in addition to clinical evaluation, ultrasonography seems to be the most suitable technique to achieve this goal. Several treatments are applied to prevent ulcer progression but none of them is totally effective. Furthermore, the in-depth knowledge of fat regenerative properties has led to a wide use of it. With this study the authors aim at introducing a new approach to cure and prevent the
doi:10.1155/2014/817283
pmid:24818019
pmcid:PMC4003771
fatcat:ztp6ofhbprembdmyu4xspqkm34
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... rsening of early-stage PUs by using fat grafts. The authors selected 42 patients who showed clinical and ultrasonographic evidence of early-stage PUs. Values of skin thickness, fascial integrity, and subcutaneous vascularity were recorded both on the PU area and the healthy trochanteric one, used as control region. Fat grafting was performed on all patients. At three months, abnormal ultrasonographic findings, such as reduction of cutaneous and subcutaneous thickness, discontinuous fascia, and decrease in subcutaneous vascularity, all were modified with respect to almost all the corresponding parameters of the control region. Results highlight that the use of fat grafts proved to be an effective treatment for early-stage PUs, especially in the care of neurological and chronic bedridden patients.
Computed Tomography Imaging in Lemmel Syndrome A Report of Two Cases
2019
Journal of Clinical Imaging Science
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Lemmel syndrome is a rare and misdiagnosed cause of acute abdominal pain due to a juxtapapillary duodenal diverticulum causing mechanical obstruction of the common bile duct. Frequently, patients suffering from Lemmel syndrome have a history of recurrent access to the emergency room for acute abdominal pain referable to a biliopancreatic obstruction, in the absence of lithiasis nuclei or solid lesions at radiological examinations. Ultrasonography (US) may be helpful in evaluation of upstream
doi:10.25259/jcis-17-2019
pmid:31448174
pmcid:PMC6702893
fatcat:ld7zm7ejdrepbo4itzu74vpixi
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... atation of extra-/intra-hepatic biliary duct, but computed tomography (CT) is the reference imaging modality for the diagnosis of periampullary duodenal diverticula compressing the intrapancreatic portion of the common bile duct. Recognition of this entity is crucial for targeted, timely therapy avoiding mismanagement and therapeutic delay. The aim of this paper is to report CT imaging findings and our experience in two patients affected by Lemmel syndrome.
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