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Cancer: Carcinoma

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Total 251 results found since Jan 2013.

Tumor Cells Detected in Retrieved Thrombus: A Case of Cancer-associated Stroke
Intern Med. 2021 Mar 8. doi: 10.2169/internalmedicine.6201-20. Online ahead of print.ABSTRACTA 51-year-old man with a history of renal cell carcinoma presented with sudden aphasia, right hemiparesis, and dysesthesia. MRA showed left middle cerebral artery occlusion, and he was diagnosed with acute ischemic stroke and treated with intravenous recombinant tissue plasminogen activator and endovascular thrombectomy. The pathological diagnosis of the retrieved thrombus was consistent with the already-known pathological findings of the primary renal cell carcinoma. Therefore, a diagnosis of cerebral embolism caused by tumor cell...
Source: Internal Medicine - March 8, 2021 Category: Internal Medicine Authors: Kaoru Nakanishi Hiroyuki Kawano Yuki Yamagishi Hiroshi Kamma Yoshiaki Shiokawa Teruyuki Hirano Source Type: research

Case Report: Brain Metastasis Confined to the Infarcted Area Following Stroke
Conclusions: Cerebral infarctions can cause neovascularization and disruption of the blood–brain barrier. Moreover, the compartmentalized cavity formed by the ischemic injury may accept a large volume of metastatic tumor cells. Such an altered microenvironment of infarcted tissue would be suitable for the colonization and proliferation of metastatic seed. Further, brain metastases should be considered, in addition to recurrence, when new focal neurological deficits develop in patients with ischemic stroke and comorbid cancer.
Source: Frontiers in Neurology - January 29, 2021 Category: Neurology Source Type: research

CT diagnostic reference levels based on clinical indications: results of a large-scale European survey
ConclusionsThis is the first study reporting on feasibility of establishing CT DRLs based on CI using European data. Resulting values will serve as a baseline for comparison with local radiological practice, national authorities when DRLs are set/updated, or as a guideline for local DRL establishment.Key Points•First study reporting on the feasibility of establishing CT diagnostic reference levels based on clinical indication using data collected across Europe.•Only one-fourth of the hospitals had CT machines less than 5 years old.•Large dose variations were observed among hospitals and CT protocols were quite differ...
Source: European Radiology - January 15, 2021 Category: Radiology Source Type: research

Lynch syndrome-associated repeated stroke with MLH1 frame-shift mutation
We describe the case of a 34-year-old female patient with 50  days of sudden dizziness and left limb weakness, whose head CT scan showed large infarction in the right frontal temporal parietal lobe and basal ganglia area. Imaging examinations and pathological biopsy indicated high-grade serous carcinoma (HGSC) IIIA1 of the right ovary. In addition, a novel f rame-shift mutation in the MLH1 gene (c.1621dupG, p.A541Gfs*16) was found in the genetic panel sequence. It may render declining of MLH1 protein and also associate with the patient’s progressive clinical manifestations of multiple systems. Therefore, the timely use ...
Source: Neurological Sciences - January 12, 2021 Category: Neurology Source Type: research

Embolic Stroke Due to a Mural Thrombus in the Ascending Aorta Following Cisplatin-based Chemotherapy.
Authors: Ochiai Y, Tsunogae M, Ueda M Abstract A 59-year-old woman with small-cell lung carcinoma achieved tumor disappearance after cisplatin-based chemotherapy (CBC) and radiation treatment but subsequently experienced right hemiparesis and aphasia. Brain magnetic resonance imaging revealed a left middle cerebral artery territory acute infarction and left internal carotid artery occlusion. Ultrasonography revealed a mobile thrombus in the left common and internal carotid arteries, and contrast computed tomography revealed a mural thrombus in the ascending aorta. Based on these findings, embolic stroke due to aort...
Source: Internal Medicine - October 24, 2020 Category: Internal Medicine Tags: Intern Med Source Type: research

Transplant Radical Nephrectomy and Transplant Radical Nephroureterectomy for Renal Cancer: Postoperative and Survival Outcomes.
CONCLUSIONS This study reports outcomes of the largest series of transplant radical nephrectomy and nephroureterectomy for malignancies of renal allografts. In the optimized setting, extirpative surgeries appear safe, with favorable long-term oncological and survival outcomes. PMID: 33093437 [PubMed - in process]
Source: Annals of Transplantation - October 23, 2020 Category: Transplant Surgery Authors: Nabavizadeh R, Noorali AA, Makhani SS, Hong G, Holzman S, Patil DH, Kim FY, Tso PL, Turgeon NA, Ogan K, Master VA Tags: Ann Transplant Source Type: research

Tumor Embolism Through Right-to-Left Shunt Due to Venous Invasion of Esophageal Carcinoma
A 69-year-old man was admitted to the hospital with right hemiparesis and global aphasia. Perfusion computed tomography imaging revealed ischemic penumbra in the middle cerebral artery territory. Angiography showed left middle cerebral artery occlusion. Mechanical thrombectomy with one pass was performed, and successful recanalization was obtained. Embolic material was retrieved; it contained tumor fragments with atypical keratinizing squamous cell carcinoma. Contrast computed tomography imaging indicated tumor invasion into the superior vena cava, and contrast transcranial Doppler indicated the presence of a right-to-left...
Source: Journal of Stroke and Cerebrovascular Diseases - October 1, 2020 Category: Neurology Authors: Suguru Araki, Kota Maekawa, Kazuto Kobayashi, Takanori Sano, Tadashi Yabana, Masunari Shibata, Fumitaka Miya Tags: Case Report Source Type: research

Acute Ischemic Stroke as a Result of Paradoxical Embolus in a Patient with Renal Cell Carcinoma, Intravenous Tumor Thrombus Extension, and Patent Foramen Ovale
Conclusions: This is the first reported case of intraoperative paradoxical embolism in the setting of RCC with cavoatrial extension and PFO. The presence of PFO may be a risk factor for severe cerebrovascular complications in the surgical management of RCC with venous involvement.
Source: The Neurologist - September 1, 2020 Category: Neurology Tags: Case Report/Case Series Source Type: research

The basaloid variant of squamous cell carcinoma in an uncommon location
Microscopic aspects of basaloid squamous cell carcinoma (BSCC) are well defined, and its prevalence is rare in the mouth. Current research points to similarity of its course in relation to conventional squamous cell carcinoma; however, there is lack of information about its clinical behavior and prognosis. An 83-year-old male patient complained of a “lump inside the mouth,” noticed 4 months ago. Medical history revealed heart failure, systemic arterial hypertension, Alzheimer’s disease, history of stroke, and smoking (2 packs a day) for 30 years, discontinued 20 years ago.
Source: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics - August 31, 2020 Category: ENT & OMF Authors: GABRIELA MOURA CHICRALA, RAQUEL D ’AQUINO GARCIA CAMINHA, SILAS ANTONIO JUVENCIO DE FREITAS FILHO, DENISE TOSTES OLIVEIRA, PAULO SÉRGIO DA SILVA SANTOS Tags: 20190182 Source Type: research

CDKN2B-AS1: An indispensable long non-coding RNA in multiple diseases.
CONCLUSIONS: Long non-coding RNA CDKN2B-AS1 likely serves as a promising therapeutic target or prognosis biomarker in multiple human diseases. PMID: 32767927 [PubMed - as supplied by publisher]
Source: Current Pharmaceutical Design - August 4, 2020 Category: Drugs & Pharmacology Authors: Song C, Qi Y, Zhang J, Guo C, Yuan C Tags: Curr Pharm Des Source Type: research

Cardiac Transplantation for Cancer Involving the Heart
Cardiac Cancer (CC) that arises from or involves the heart can present as heart failure, chest pain, stroke or another thromboembolic event. Although patients with CC have limited treatment options, in other organ cancers such as hepatocellular carcinoma, liver transplant improves 5-year overall survival in carefully selected patients1. For CC, however, the benefit of replacing the cancerous heart is uncertain because one-year survival is generally estimated around 50% after this rare operation.
Source: The Journal of Heart and Lung Transplantation - May 23, 2020 Category: Transplant Surgery Authors: Matthew Wingo, Andreas R. de Biasi, Yasuhiro Shudo, Vijaya Bharathi, Anthony Blackburn, Mario Gaudino, Leonard N. Girardi, Y. Joseph Woo Tags: Research Correspondence Source Type: research

Longitudinal atherosclerotic changes after radio(chemo)therapy of hypopharyngeal carcinoma
This study aimed at a closer characterization of this damage and its development in time with a longitudi...
Source: Radiation Oncology - May 7, 2020 Category: Cancer & Oncology Authors: Cristoforo Simonetto, Michael Mayinger, Thamer Ahmed, Kai Borm, Pavel Kundr át, Steffi Pigorsch, Jan Christian Kaiser and Stephanie E. Combs Tags: Research Source Type: research

Choroid plexus and the blood –cerebrospinal fluid barrier in disease
AbstractThe choroid plexus (CP) forming the blood –cerebrospinal fluid (B-CSF) barrier is among the least studied structures of the central nervous system (CNS) despite its clinical importance. The CP is an epithelio-endothelial convolute comprising a highly vascularized stroma with fenestrated capillaries and a continuous lining of epithelial ce lls joined by apical tight junctions (TJs) that are crucial in forming the B-CSF barrier. Integrity of the CP is critical for maintaining brain homeostasis and B-CSF barrier permeability. Recent experimental and clinical research has uncovered the significance of the CP in the p...
Source: Fluids and Barriers of the CNS - May 5, 2020 Category: Neuroscience Source Type: research