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https://www.readbyqxmd.com/read/30122833/changing-landscapes-in-the-neuroimaging-of-dementia
#1
REVIEW
Lakshmi Narasimhan Ranganathan, R Guhan, M M Arun Shivaraman, P Lenin Sankar, A V Srinivasan, G Suriyakumar, A L Periakaruppan
Neuroimaging in dementia has advanced several folds in the past decade. It has evolved from diagnosing secondary causes of dementia to the current use in identifying primary dementia and aid in clinically perplexing situations. There has been a leap in the imaging technology that can virtually dissect the brain with a high degree of radiopathological correlation. The neuroimaging in dementia is classified into structural, functional, and molecular imaging. Structural imaging includes voxel-based morphometry and diffusion tensor imaging...
April 2018: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/30112676/radiological-findings-of-complications-after-lung-transplantation
#2
REVIEW
Céline Habre, Paola M Soccal, Frédéric Triponez, John-David Aubert, Thorsten Krueger, Steve P Martin, Joanna Gariani, Jean-Claude Pache, Frédéric Lador, Xavier Montet, Anne-Lise Hachulla
Complications following lung transplantation may impede allograft function and threaten patient survival. The five main complications after lung transplantation are primary graft dysfunction, post-surgical complications, alloimmune responses, infections, and malignancy. Primary graft dysfunction, a transient ischemic/reperfusion injury, appears as a pulmonary edema in almost every patient during the first three days post-surgery. Post-surgical dysfunction could be depicted on computed tomography (CT), such as bronchial anastomosis dehiscence, bronchial stenosis and bronchomalacia, pulmonary artery stenosis, and size mismatch...
August 15, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/30075507/radiopathological-characteristics-and-outcomes-of-phyllodes-tumor-of-the-breast-in-malaysian-women
#3
Shamsiah Abdul Hamid, Kartini Rahmat, Marlina Tanty Ramli, Farhana Fadzli, Suniza Jamaris, Mee Hoong See, Kean Hooi Teoh, Nur Aishah Mohd Taib
Phyllodes tumor or cystosarcoma phyllodes is a rare fibroepithelial neoplasm which arises from the periductal stroma of the breast. They are classified as benign, borderline, and malignant based on the histologic features. However, all phyllodes tumor (PT) subtypes are regarded as having malignant potential and correct diagnosis is important for surgical management and optimal care. This study is a retrospective review of 76 women diagnosed as PT with highlights on the imaging characteristics, pathology, and surgical treatment over a 7-year period in a tertiary medical center of urban population in Malaysia...
August 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29907260/usefulness-of-the-twinkling-artifact-on-doppler-ultrasound-for-the-detection-of-breast-microcalcifications
#4
A Relea, J A Alonso, M González, C Zornoza, S Bahamonde, B E Viñuela, M B Encinas
OBJECTIVE: To determine whether the twinkling artifact on Doppler ultrasound imaging corresponds to microcalcifications previously seen on mammograms and to evaluate the usefulness of this finding in the ultrasound management of suspicious microcalcifications. MATERIAL AND METHODS: We used ultrasonography to prospectively examine 46 consecutive patients with groups of microcalcifications suspicious for malignancy identified at mammography, searching for the presence of the twinkling artifact to identify the microcalcifications...
September 2018: Radiología
https://www.readbyqxmd.com/read/29790456/evaluation-of-neuroimaging-findings-of-central-nervous-system-complications-in-heart-transplant-recipients
#5
Hale Turnaoglu, Ahmet Muhtesem Agildere, Feride Kural Rahatli, Fuldem Yildirim Donmez, Ruhsen Ocal, Taner Sezer, Ufuk Can, Atilla Sezgin, Sait Aslamaci
OBJECTIVES: In this study, we presented neuroradiologic findings and diagnoses of neurologic complications in a series of heart transplant recipients. MATERIALS AND METHODS: A retrospective review was conducted at Başkent University Hospital. We searched the hospital and radiology databases and identified 109 heart transplant recipients. Thirty-one of these recipients had neuroradiologic evaluations secondary to presentation of neurologic symptoms after heart transplant, with 18 patients evaluated with computed tomography and 22 patients evaluated with magnetic resonance imaging (overlap of imaging-defined groups occurred in 9 recipients)...
May 23, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29484045/radiopathologic-correlation-of-a-tricuspid-valve-papillary-fibroelastoma-detected-in-an-infant
#6
Maddy Artunduaga, Siddharth P Jadhav, Karen W Eldin, Thomas J Seery, Prakash Masand
Papillary fibroelastomas are benign primary cardiac tumors that usually arise from the valve apparatus and are rare in the pediatric population. Involvement of the tricuspid valve is even less common with only a few cases reported in the literature. Cardiac magnetic resonance imaging is a valuable examination that aids in differentiating a tumor from a thrombus. We present the case of an 11-month-old girl referred by her pediatrician to investigate a murmur noted since birth. To our knowledge, this is the first report of a pathologically proven papillary fibroelastoma arising from the tricuspid valve characterized by magnetic resonance imaging in an infant...
December 2017: Radiology Case Reports
https://www.readbyqxmd.com/read/29423712/correction-to-cone-beam-computed-tomography-and-ultrasonography-imaging-of-benign-intraosseous-jaw-lesion-a-prospective-radiopathological-study
#7
Ibrahim Sevki Bayrakdar, Ahmet Berhan Yilmaz, Fatma Caglayan, Umit Ertas, Cemal Gundogdu, Ismail Gumussoy
In the original version of this article, '123 lytic intraosseous jaw lesions diagnosed in 112 patients' was incorrectly presented as '123 lytic intraosseous jaw lesions diagnosed in 121 patients' and 'an average age of 31.7 ± 15.4 (range, 6-72)' was incorrectly presented as 'average age of 15.4 ± 31.7 (range, 6-72)'.
April 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29333031/a-case-of-multifocal-eosinophilic-granuloma-involving-spine-and-pelvis-in-a-young-adult-a-radiopathological-correlation
#8
Santosh Rai, H B Sridevi, Radha R Pai, Pulastya Sanyal
We present a case of multiple osteolytic lesions in a 28-year-old adult who presented with headache, back pain, and hip pain of 6 months. There was no history of localized swelling or rise of temperature, no history of weight loss or evening rise of temperature. On examination, there were no focal neurological deficits. Routine laboratory investigations, including total leukocyte counts, differential leukocyte counts, hemoglobin, and platelet counts, were within normal limits. There was a borderline elevation of erythrocyte sedimentation rate...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29315063/pet-ct-with-18-f-fluorocholine-as-an-imaging-biomarker-for-chronic-liver-disease-a-preliminary-radiopathologic-correspondence-study-in-patients-with-liver-cancer
#9
Sandi A Kwee, Linda Wong, Owen T M Chan, Sumodh Kalathil, Naoky Tsai
Purpose To determine the relationship between hepatic uptake at preoperative fluorine 18 (18 F) fluorocholine combined positron emission tomography (PET) and computed tomography (CT) and the histopathologic features of chronic liver disease in patients with Child-Pugh class A or B disease who are undergoing hepatic resection for liver cancer. Materials and Methods Forty-eight patients with resectable liver tumors underwent preoperative 18 F fluorocholine PET/CT. Mean liver standardized uptake value (SUVmean ) measurements were obtained from PET images, while histologic indexes of inflammation and fibrosis were applied to nontumor liver tissue from resection specimens...
April 2018: Radiology
https://www.readbyqxmd.com/read/29153366/papillary-glioneuronal-tumors-a-radiopathologic-correlation
#10
Nishtha Yadav, Shilpa Rao, Jitender Saini, Chandrajit Prasad, Anita Mahadevan, Nishanth Sadashiva
OBJECTIVE: Papillary glioneuronal tumors (PGNT) are a rare and recently recognized tumor entity. The neuroimaging findings were reviewed to determine if any specific findings emerge to assist a preoperative diagnosis of PGNT. MATERIALS AND METHODS: Seven histologically confirmed cases of PGNT were evaluated from 2004 to 2014. Clinical, neuroimaging and histological findings were reviewed and tabulated. RESULTS: Headache and seizures were observed in 4 patients (57...
December 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/29052747/angiosomal-radiopathologic-analysis-of-transarterial-radioembolization-for-the-treatment-of-hepatocellular-carcinoma
#11
Altan F Ahmed, Naziya Samreen, Joseph R Grajo, Ivan Zendejas, Chris L Sistrom, Amy Collinsworth, Ashwini Esnakula, Jehan L Shah, Roniel Cabrera, Brian S Geller, Beau B Toskich
PURPOSE: To assess the radiopathologic correlation following Yttrium-90 transarterial radioembolization (TARE) of hepatocellular carcinoma (HCC) using variable radiodosimetry to identify imaging surrogates of histologic response. METHODS: Twelve patients with HCC underwent ablative (≥ 190 Gy) and/or non-ablative (< 190 Gy) TARE delivered in a segmental, lobar, or combined fashion as a surgical neoadjuvant or bridge to transplantation. Both targeted tumor and treatment angiosome were analyzed before and after TARE utilizing hepatocyte-specific contrast-enhanced MRI or contrast-enhanced CT...
July 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29046963/cone-beam-computed-tomography-and-ultrasonography-imaging-of-benign-intraosseous-jaw-lesion-a-prospective-radiopathological-study
#12
Ibrahim Sevki Bayrakdar, Ahmet Berhan Yilmaz, Fatma Caglayan, Umit Ertas, Cemal Gundogdu, Ismail Gumussoy
OBJECTIVE: We assessed whether ultrasonography (US) can be used in combination with cone beam computed tomography (CBCT) to image intraosseous jaw lesions. MATERIAL AND METHODS: Using CBCT and US, we evaluated 123 lytic intraosseous jaw lesions diagnosed in 121 patients with guidance from the CBCT findings. The lesions were classified into two groups based on histopathological evaluation: (1) cysts and (2) tumors and tumor-like lesions. US and histopathological findings on the lesions of the two groups and their relationships with each other were also assessed...
April 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28979624/-central-neurocytomas-clinical-and-radiopathological-correlations-about-12-cases
#13
Fayçal Abbad, Souad Sellami, Fe Hazmiri, Najat El Idriss Ganouni, Said Ait Benali, Mouna Khouchani, Hanane Rais
Central neurocytomas are defined as neoplasms composed of round, uniform cells, with neural immunophenotypic profile and low proliferation index. They account for 0.5% of intracranial tumors. They usually occur near the foramen of Monro and can cause obstructive hydrocephaly. We conducted a retrospective data collection from records of 12 patients with central neurocytomas in the Anatomopathological Laboratory at the Mohammed VI University Hospital, Marrakech, between January 2006 and June 2015. This study aimed to report and describe the radiopathological features of this rare histologic type...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28887581/multiple-skeletal-muscle-metastases-revealing-a-cardiac-intimal-sarcoma
#14
Amandine Crombé, Pierre-François Lintingre, François Le Loarer, Denis Lachatre, Benjamin Dallaudière
We report the case of a 59-year-old female with progressive bilateral painful swelling of the thighs. MRI revealed multiple intramuscular necrotic masses with similar morphologic patterns. Whole-body CT and 18-FDG PET-CT scans demonstrated additional hypermetabolic muscular masses and a lobulated lesion within the left atrial cavity. As biopsy of a muscular mass was compatible with a poorly differentiated sarcoma with MDM2 oncogene amplification, two diagnoses were discussed: a dedifferentiated liposarcoma with muscle and heart metastases or a primary cardiac sarcoma, mainly a cardiac intimal sarcoma, with muscular metastases, which was finally confirmed by array-comparative genomic hybridization (aCGH) in a sarcoma reference center...
January 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/28756984/a-55-year-old-female-with-leukoencephalopathy-with-cerebral-calcifications-and-cysts-case-report-and-radiopathologic-description
#15
Jorge Novo, Diana Lin, Megan Shanks, Mehmet Kocak, Leonidas Arvanitis
Adult-onset leukoencephalopathies with increased cerebral volume can present a potentially challenging diagnosis for the pathologist. We present the case of a patient with a rare adult-onset disease called Leukoencephalopathy with cerebral Calcifications and Cysts (LCC). A 55-year-old woman with a history of morning headaches, mild memory loss, diabetes, and hypertension presented to the emergency department with acute onset altered mental status. CT scan revealed multiple small hypodense lesions in the white matter with calcifications in the bilateral cerebral hemispheres, basal ganglia, pons, and cerebellar hemispheres...
November 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28736834/temporal-bone-chondroblastoma-imaging-characteristics-with-pathologic-correlation
#16
Sun-Won Park, Ji-Hoon Kim, Ji Hoon Park, Kyung Chul Moon, Jin Chul Paeng, Byung Se Choi, Younghen Lee, Jae Hyoung Kim, Roh-Eul Yoo, Koung Mi Kang, Soo Chin Kim, Seung Hong Choi, Tae Jin Yun, Chul Ho Sohn
BACKGROUND: Chondroblastoma commonly involves the temporal bone in the craniofacial region, but its imaging features have not been elucidated. This study aimed to describe the imaging features of temporal bone chondroblastoma with their pathologic correlation. METHODS: Radiopathologic correlation was performed in 5 patients with temporal bone chondroblastoma from our database and in 11 patients identified through a PubMed search. RESULTS: The cases of temporal bone chondroblastoma commonly involve the squamous part, temporal and infratemporal fossae, temporomandibular joint, and tympanic cavity, with the following features: high attenuation with calcification; heterogeneity; low signal intensity on T2-weighted imaging with enhancement; a smooth interface to the brain; and strong hypermetabolism on fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT...
November 2017: Head & Neck
https://www.readbyqxmd.com/read/28736649/neoadjuvant-transarterial-radiation-lobectomy-for-colorectal-hepatic-metastases-a-small-cohort-analysis-on-safety-efficacy-and-radiopathologic-correlation
#17
Jehan L Shah, Ivan R Zendejas-Ruiz, Linday M Thornton, Brian S Geller, Joseph R Grajo, Amy Collinsworth, Thomas J George, Beau Toskich
Colorectal cancer patients have a high incidence of liver metastasis (ml-CRC). Surgical resection is the gold standard for treatment of hepatic metastasis but only a small percent of patients are traditional candidates based on disease extent and adequate size of the future liver remnant (FLR). Interventions such as portal vein embolization (PVE) and associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) are performed to increase FLR for operative conversion. Limitations to PVE include intrahepatic disease progression, portal vascular invasion, and utilization with concurrent chemotherapy...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28219077/radiopathological-features-and-identification-of-mycobacterial-infections-in-granulomatous-nodules-resected-from-the-lung
#18
Yumi Sakakibara, Yoshimi Suzuki, Toshihide Fujie, Takumi Akashi, Tadatsune Iida, Yasunari Miyazaki, Yoshinobu Eishi, Naohiko Inase
BACKGROUND: Pulmonary granulomas are sometimes resected because they resemble lung cancer and false-positive findings come through from positron emission tomography (PET) using 18fluorine-fluorodeoxyglucose (18F-FDG). Mycobacterial infection is a common cause of granulomas. OBJECTIVE: The purpose of this study was to evaluate the radiopathological features and the methods for identifying mycobacterial infections in granulomatous nodules resected from the lung. METHODS: Thirty-five solitary lesions resected because of suspected lung cancer were enrolled, including 22 nonfungal granulomatous lesions and 13 benign lesions as controls...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28118995/idiopathic-pulmonary-fibrosis-current-and-future-directions
#19
REVIEW
E Soo, H Adamali, A J Edey
Idiopathic pulmonary fibrosis (IPF) is the most common idiopathic interstitial pneumonia and is increasingly recognised. Prior to the advent of effective therapies, achieving an early diagnosis was arguably of little prognostic consequence given IPF was considered an untreatable and uniformly fatal disease. The advent of new drug treatments has given hope for the future and raised the profile of IPF. International management guidelines highlight the critical role of radiology as part of an interstitial lung disease multidisciplinary team approach in reaching an accurate and early diagnosis of IPF...
May 2017: Clinical Radiology
https://www.readbyqxmd.com/read/27787742/-18-f-fluorocholine-pet-ct-imaging-of-liver-cancer-radiopathologic-correlation-with-tissue-phospholipid-profiling
#20
Sandi A Kwee, Miles M Sato, Yu Kuang, Adrian Franke, Laurie Custer, Kyle Miyazaki, Linda L Wong
PURPOSE: [18 F]fluorocholine PET/CT can detect hepatocellular carcinoma (HCC) based on imaging the initial steps of phosphatidylcholine synthesis. To relate the diagnostic performance of [18 F]fluorocholine positron emission tomography (PET)/x-ray computed tomography (CT) to the phospholipid composition of liver tumors, radiopathologic correspondence was performed in patients with early-stage liver cancer who had undergone [18 F]fluorocholine PET/CT before tumor resection. PROCEDURES: Tumor and adjacent liver were profiled by liquid chromatography mass spectrometry, quantifying phosphatidylcholine species by mass-to-charge ratio...
June 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
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