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https://www.readbyqxmd.com/read/28438867/magnetic-resonance-imaging-assessment-of-lipomatous-soft-tissue-tumors
#1
Alessandro Coran, Paolo Ortolan, Shady Attar, Enrico Alberioli, Egle Perissinotto, Anna Lisa Tosi, Maria Cristina Montesco, Carlo Riccardo Rossi, Saveria Tropea, Marco Rastrelli, Roberto Stramare
AIM: To establish the accuracy of magnetic resonance imaging (MRI) in distinguishing between benign and malignant lipomatous tumors; to evaluate the reproducibility of the MRI interpretation assessing the agreement between judgments of two radiologists with the same experience in soft-tissue sarcomas; to identify an association among MRI findings (size, depth, septa, nodules, signal homogeneity) and nature of the lesion. MATERIALS AND METHODS: A total of 54 patients (28 men and 26 women), with a mean age of 56 (range=27-84) were included years...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28423686/clinical-features-and-prognosis-for-intraventricular-liponeurocytoma
#2
Nini Xu, Jinxiu Cai, Jiang Du, Rong Yang, Huachen Zhu, Peiyi Gao, Jian Zhou, Xiaofeng Li
Cerebellar liponeurocytoma is a rare central nervous system tumor, we investigate its biological behaviors and clinical prognosis to improve the understanding of this tumor. We retrospectively analyzed the clinical, radiological and histopathological findings as well as follow-up data of two patients with intraventricular liponeurocytomas in Beijing Tiantan Hospital between July 2000 and July 2016. The main clinical manifestations of the two patients were headache. The supratentorial intraventricular liponeurocytoma appeared as isodense to slight hyperdense on CT scan and heterogeneous intensity on T1-weighted imaging (T1WI) and T2-weighted imaging (T2WI)...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423445/-comment-on-the-case-report-atypical-lipomatous-tumour-of-the-hand
#3
Marcus Lehnhardt
No abstract text is available yet for this article.
February 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28423442/-atypical-lipomatous-tumour-of-the-hand
#4
Yasemin Özkan, Öznur Dervis, Matthias Woenckhaus, Ulrich Baum, Steffen Löw
Atypical lipomatous tumours (ALT) are rare semi-malignant adipose tissue tumours with the potential to transform into sarcomas. They may occur throughout the body, although the hands are very rarely involved. We present the case of a 49-year-old man with a lipomatous tumour measuring 8×4 cm at the dorsum of the right thumb. MRI demonstrated an inhomogeneous signal after contrast medium application. The tumour was excised in its entirety. Since histology confirmed the diagnosis of an ALT, the thumb was irradiated...
February 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28405209/tuberous-sclerosis-associated-with-multiple-hepatic-lipomatous-tumours
#5
D Calleja-Stafrace, C Vella
No abstract text is available yet for this article.
October 2016: Images in Paediatric Cardiology
https://www.readbyqxmd.com/read/28367861/intracardiac-echocardiography-guided-biopsy-of-a-lipomatous-cardiac-tumor-arising-from-the-interatrial-septum
#6
Akira Takashima, Tatsuro Ogata, Hirotsugu Yamada, Tetsuzo Wakatsuki, Masataka Sata
No abstract text is available yet for this article.
March 31, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28367409/angiomyolipoma-of-the-adrenal-gland-a-case-presentation-and-a-review-of-adrenal-lipomatous-tumors
#7
Ali Antar, Alexander Boyle, Trushar Patel
Angiomyolipoma (AML) is a typically benign renal tumor derived from mesenchymal tissue. Extrarenal occurrences of AML are possible, but the adrenals are an exceedingly rare site. To date, a total of 4 cases of adrenal AML have been documented in the English literature.(1-3) We present a case of right-sided adrenal AML found in a patient who initially presented with right-sided flank pain. Differential diagnosis of adrenal masses should include lipomatous tumors, as operative considerations and prognoses can be drastically altered...
May 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28357168/giant-osteolipoma-fixed-to-the-greater-trochanter-of-the-femur-in-a-seventy-year-old-elderly-woman
#8
Ali J Electricwala, Yogesh Panchwagh, Jaffer T Electricwala
A lipoma containing mature osseous elements is called osteolipoma. This article describes a giant osteolipoma fixed to the periosteum of the greater trochanter of the femur. A seventy-year-old woman presented with a large subcutaneous mass in the right buttock which had been present for six years. On local examination, a giant mass that was ovoid, firm, non-tender, well demarcated, subcutaneous, and relatively fixed to the greater trochanter was palpated in the right buttock. A medical imaging and fluoro-deoxy-glucose (FDG) bone scan revealed a large lipomatous and metabolically active lesion arising from the periosteum of the greater trochanter of femur...
February 17, 2017: Curēus
https://www.readbyqxmd.com/read/28337832/retroperitoneal-dedifferentiated-liposarcoma-with-huge-cystic-degeneration-a-case-report
#9
Kazuyoshi Uchihashi, Atsuji Matsuyama, Eisuke Shiba, Yoshizo Kimura, Toshiro Ogata, Kei Yabuki, Hiroshi Harada, Chisachi Kubo, Yojiro Tsuda, Mao Jotatsu, Masanori Hisaoka
Prominent cyst formation is an unusual feature of liposarcoma. We report here a case of dedifferentiated liposarcoma with huge cystic change without preoperative chemo- or radiation therapy. The lesion arose in the retroperitoneum juxtaposed to the right kidney of a 67-year-old woman. She underwent a surgical removal of the retroperitoneal cyst. The cystic tumor contained 1600 mL of old bloody fluid, and its wall was composed of edematous, inflamed or sclerosing fibrous tissue with fatty tissue containing abundant atypical stromal cells, which were immunohistochemically positive for MDM2 and CDK4, and demonstrated MDM2 gene amplification by fluorescence in situ hybridization...
March 23, 2017: Pathology International
https://www.readbyqxmd.com/read/28328134/somatic-pik3ca-mutations-in-seven-patients-with-pik3ca-related-overgrowth-spectrum
#10
Kit San Yeung, Janice Jing Kun Ip, Chin Pang Chow, Evelyn Yue Ling Kuong, Paul Kwong-Hang Tam, Godfrey Chi-Fung Chan, Brian Hon-Yin Chung
Somatic mutations in PIK3CA cause many overgrowth syndromes that have been recently coined the "PIK3CA-Related Overgrowth Spectrum." Here, we present seven molecularly confirmed patients with PIK3CA-Related Overgrowth Spectrum, including patients with Congenital Lipomatous Overgrowth, Vascular Malformations, Epidermal Nevi, Scoliosis/Skeletal and Spinal syndrome, Klippel-Trenaunay syndrome, lymphatic malformation and two with atypical phenotypes that cannot be classified into existing disease categories. The literature on PIK3CA-Related Overgrowth Spectrum, suggests that PIK3CA c...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28291056/perspectives-on-low-grade-sarcomas-the-extraordinary-contributions-of-sharon-w-weiss-md
#11
Hope Hastings, John R Goldblum
Soft-tissue pathology encompasses a wide spectrum of neoplasms that represent some of the most challenging and problematic tumors in surgical pathology. Owing to the intensive work of dedicated pathologists, this once esoteric field has become increasingly well defined. In this review, Dr Sharon Weiss' monumental contributions to low-grade sarcomas, including low-grade fibromyxoid sarcoma/so-called hyalinizing spindle cell tumor, atypical lipomatous tumor/well-differentiated liposarcoma and dedifferentiated liposarcoma, epithelioid hemangioendothelioma, and dermatofibrosarcoma protuberans with fibrosarcomatous transformation will be discussed...
March 13, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28286687/lipomatous-extensively-vacuolated-ependymoma-with-signet-ring-cell-like-appearance-analysis-of-a-case-with-extensive-literature-review
#12
Miguel Fdo Salazar, Martha Lilia Tena-Suck, Alma Ortiz-Plata, Citlaltepetl Salinas-Lara, Daniel Rembao-Bojórquez
"Lipomatous" and "extensively vacuolated" are descriptive captions that have been used to portray a curious subset of ependymomas distinctively bearing cells with a large vacuole pushing the nucleus to the periphery and, thus, simulating a signet-ring cell appearance. Here, we would like to report the first ependymoma of this kind in a Latin American institution. A 16-year-old boy experienced cephalea during three months. Magnetic resonance imaging scans showed a left paraventricular tumour which corresponded to anaplastic ependymoma...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28280898/long-term-follow-up-of-recurrence-and-patient-satisfaction-after-surgical-treatment-of-gynecomastia
#13
A Fricke, G M Lehner, G B Stark, V Penna
BACKGROUND: "Gynecomastia" is an enlargement of the male breast. Our study aims to assess patient satisfaction as well as evaluate differences in recurrence rates in lipomatous and glandular gynecomastia 10-19 years postoperatively. METHODS: Forty-one gynecomastia patients undergoing surgical treatment from 1997 to 2005 were invited for a follow-up examination 10-19 years postoperatively. Of these, 16 patients presented for a clinical examination. Patient satisfaction was measured with a validated questionnaire [consultation satisfaction questionnaire (CSQ)-9]...
March 9, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28247108/lateral-lipomyelomeningocele-of-the-hemicord-with-split-cord-malformation-type-i-revealed-by-3d-heavily-t2-weighted-mr-imaging
#14
Nobuya Murakami, Takato Morioka, Masako Ichiyama, Ryoko Nakamura, Nobuko Kawamura
BACKGROUND: Lipomyelomeningocele (LMMC) is defined by a low-lying tethered spinal cord protruding posteriorly from the spinal canal and terminating in a lipomatous mass in the subcutaneous meningeal sac. The coexistence of LMMC with split cord malformation (SCM) is rare. CLINICAL PRESENTATION: We report on a patient with laterally protruded LMMC arising from the hemicord of SCM type I. Direct coronal and axial views (instead of sagittal views) of 3D heavily T2-weighted MR imaging (3D-hT2WI) clearly demonstrated the topographical relationship between both of the hemicords, the bony septum, and nerve roots in the right subcutaneous meningeal sac...
February 28, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28245542/-recurrence-of-well-differentiated-intrascrotal-liposarcoma-in-retroperitoneum-five-years-after-resection-a-case-report
#15
Mitsuhiro Yoshinaga, Yosuke Sekii, Shigeaki Nakazawa, Masahiro Nakagawa, Hidefumi Kishikawa, Kenji Nishimura
A 68-year-old man underwent an inguinal orchiectomy for a right testicular tumor and the pathological diagnosis was atypical lipomatous tumor. Nine years later, a resection procedure was performed for local recurrence. Five years after that second surgery, abdominal computed tomography (CT) findings revealed a low density mass 40 mm in size on the back side of the right kidney and enlarged fat in the retroperitoneal space. We performed a laparoscopic tumor resection under a diagnosis of lipoma or liposarcoma recurrence, and the pathological diagnosis was well differentiated liposarcoma...
January 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28236115/the-clinicopathological-features-of-liponeurocytoma
#16
Li Xu, Jiang Du, Junmei Wang, Jingyi Fang, Zhaoxia Liu, Yanjiao He, Guilin Li
To discuss the clinicopathological features of liponeurocytoma, we retrospectively reviewed three liponeurocytoma cases and compared their immunophenotypes and genotypes with those of similar tumors. Furthermore, we reviewed the literature and compared the similarities and differences between cerebellar and intraventricular liponeurocytomas. Two cerebellar and one intraventricular liponeurocytomas were included in the present study. The liponeurocytomas comprised small tumor cells and lipomatous cells. The tumor cells expressed SYN, MAP-2, and NeuN...
January 2017: Brain Tumor Pathology
https://www.readbyqxmd.com/read/28212053/transthoracic-echocardiography-pitfalls-and-limitations-as-delineated-at-cardiac-ct-and-mr-imaging
#17
Sachin B Malik, Natalie Chen, Rex A Parker, Joe Y Hsu
Transthoracic echocardiography ( TTE transthoracic echocardiography ) is a critical tool in the field of clinical cardiology. It often serves as one of the first-line imaging modalities in the evaluation of cardiac disease owing to its low cost, portability, widespread availability, lack of ionizing radiation, and ability to evaluate both anatomy and function of the heart. Consequently, a large majority of patients undergoing a cardiac computed tomography (CT) or magnetic resonance (MR) imaging examination will have a TTE transthoracic echocardiography available for review...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28155209/do-mesenchymal-stem-cells-derived-from-atypical-lipomatous-tumors-have-greater-differentiation-potency-than-cells-from-normal-adipose-tissues
#18
Hiroyuki Inatani, Norio Yamamoto, Katsuhiro Hayashi, Hiroaki Kimura, Akihiko Takeuchi, Shinji Miwa, Takashi Higuchi, Kensaku Abe, Yuta Taniguchi, Satoshi Yamada, Kiyofumi Asai, Takanobu Otsuka, Hiroyuki Tsuchiya
BACKGROUND: The p53 protein in mesenchymal stem cells (MSCs) regulates differentiation to osteogenic or adipogenic lineage. Because p53 function is depressed in most malignancies, if MSCs in malignancy also have p53 hypofunction, differentiation therapy to osteogenic or adipogenic lineage may be an effective treatment. We therefore wished to begin to explore this idea by evaluating atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL) cells, because murine double minute 2 (MDM2) gene amplification, which leads to p53 hypofunction, is found in almost all ALT/WDLs...
February 2, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28149104/lipomatous-meningioma-a-rare-subtype-of-benign-metaplastic-meningiomas
#19
Mehmet Onur Yüksel, Mehmet Sabri Gürbüz, Osman Tanrıverdi, Sevilay Akalp Özmen
Lipomatous meningiomas are extremely rare subtypes of benign meningiomas and are classified as metaplastic meningioma in the World Health Organization classification. We present a 77-year-old man presented with the history of a gradually intensifying headache for the last 3 months. A right frontoparietal mass was detected on his cranial magnetic resonance imaging. The patient was operated on via a right frontoparietal craniotomy, and histopathological diagnosis was lipomatous meningioma. Distinctive characteristics of lipomatous meningiomas were discussed with special emphasis to importance of immunohistochemical examinations, particularly for its differentiation from the tumors showing similar histology though having more aggressive character...
January 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28143811/lipomatous-tumours-in-adrenal-gland-who-updates-and-clinical-implications
#20
Alfred Lam
Adrenal lipomatous tumour is a group of adrenal tumours with a significant component of adipose tissue. According to the current World Health Organization (WHO) classification of tumours of endocrine organs, adrenal myelolipoma is the only entity amongst the group of tumours being described. In the literature, other more recently documented adrenal lipomatous tumours included 24 lipomas, 32 teratomas and 16 angiomyolipomas. Rare fatty tumours of the adrenal gland comprised liposarcoma, hibernoma, adrenocortical tumours with fat component and rare adrenal tumours with fat component...
January 31, 2017: Endocrine-related Cancer
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