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https://www.readbyqxmd.com/read/28105611/huge-mediastinal-liposarcoma-resected-by-clamshell-thoracotomy-a-case-report
#1
Michihito Toda, Nobuhiro Izumi, Takuma Tsukioka, Hiroaki Komatsu, Satoshi Okada, Kantaro Hara, Ryuichi Ito, Toshihiko Shibata, Noritoshi Nishiyama
BACKGROUND: Liposarcoma is the single most common soft tissue sarcoma. Because mediastinal liposarcomas often grow rapidly and frequently recur locally despite adjuvant chemotherapy and radiotherapy, they require complete excision. Therefore, the feasibility of achieving complete surgical excision must be carefully considered. We here report a case of a huge mediastinal liposarcoma resected via clamshell thoracotomy. CASE PRESENTATION: A 64-year-old man presented with dyspnea on effort...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28070930/pituitary-adenoma-with-adipose-tissue-a-new-metaplastic-variant
#2
Chiara Caporalini, Anna Maria Buccoliero, Luigi Pansini, Selene Moscardi, Luca Novelli, Gianna Baroni, Lorenzo Bordi, Franco Ammannati, Gian Luigi Taddei
Pituitary adenomas are benign tumors representing approximately 15-20% of intracranial neoplasms. There have been few reports of metaplastic osseous transformation and about 60 cases of neuronal metaplasia in pituitary adenoma but adipose metaplasia has not been previously described in the English literature. Here we report a case of pituitary adenoma with metaplastic adipose tissue in a 58-year-old male patient. Histologically this case fulfilled the criteria of a non-functioning pituitary adenoma, and moreover a central area of adipose tissue, made by mature adipocytes, and many tumor cells, containing fat droplet were evident...
January 9, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28050116/lipomatous-pseudohypertrophy-of-pancreas-with-coexisting-chronic-calcific-pancreatitis-leading-to-malabsorption-due-to-exocrine-pancreatic-insufficiency
#3
Devendra Nema, Sumeet Arora, Ashutosh Mishra
No abstract text is available yet for this article.
December 2016: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28045832/low-fat-plexiform-spindle-cell-lipoma-with-prominent-myxoid-stroma-an-unusual-oral-presentation-and-immunohistochemical-analysis
#4
Jessica Luana Dos Santos, Eduardo Akira Ocamoto, Luciana Yamamoto Almeida, Lucas Ribeiro Teixeira, Alfredo Ribeiro-Silva, Jorge Esquiche León
Spindle cell lipoma (SCL) and pleomorphic lipoma constitute a spectrum of lipomatous lesions with distinctive clinicopathological features. Multiple variants of SCL have been reported including fibrous, plexiform, vascular, pseudoangiomatous, low-fat/fat-free, and myxoid changes. This paper describes an unusual patient with a 1-cm submucosal nodular lesion excised from the buccal mucosa of a 55-year-old woman with classic histopathological and immunohistochemical features of "low-fat" plexiform SCL with prominent myxoid stroma, which initially suggested a soft-tissue myxomatous lesion other than SCL...
December 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28032156/complex-truncal-masses-in-the-setting-of-cloves-syndrome-aesthetic-and-functional-implications
#5
Jason M Weissler, Valeriy Shubinets, Martin J Carney, David W Low
BACKGROUND: Congenital lipomatous overgrowth, vascular malformations, epidermal nevi, and skeletal abnormalities (CLOVES) is a complex overgrowth syndrome with dramatic aesthetic and functional implications. The truncal masses characteristic of CLOVES syndrome are described as vascular malformations or lipomatous lesions with variable vascular components. Herein, we describe our single-institution experience with surgical excision of CLOVES-related truncal masses and discuss future directions in treatment of these complex anomalies...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/27990391/encephalocraniocutaneous-lipomatosis-haberland-syndrome-a-rare-case-report
#6
Ashish Jagati, Bela J Shah, Rima Joshi, Trusha Gajjar
Haberland syndrome or Fishman syndrome also known as encephalocraniocutaneous lipomatosis (ECCL) is a rare, congenital neurocutaneous disorder. It is characterized by unilateral involvement of skin, eyes and central nervous system. We report the case of a 28-year-old woman who presented with soft lipomatous swelling over right temporal area with nonscarring alopecia of part of frontal and parietal region. The patient had a history of seizures and ipsilateral scleral dermoid. Computed tomography scan findings were suggestive of lipomas and calcification of falx...
November 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27956103/transoral-robotic-surgery-tors-for-excision-of-a-retropharyngeal-intramuscular-lipoma
#7
Chase M Heaton, Saqib R Ahmed, William R Ryan
OBJECTIVE: To describe the feasibility, effectiveness, and improved morbidity profile of transoral robotic surgery (TORS) for the excision of a retropharyngeal intramuscular lipoma. METHODS: Case report of a robot-assisted transoral resection of a retropharyngeal intramuscular lipoma. RESULTS: A 62-year-old woman presented with tongue pain and globus with dysphagia for six months. Transoral exam revealed a pharyngeal submucosal mass, and MRI demonstrated a prevertebral lipomatous lesion with protrusion into the airway...
December 9, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27926363/benign-tumors-and-tumorlike-lesions-of-the-pancreas
#8
REVIEW
Olca Basturk, Gokce Askan
The pancreas is a complex organ that may give rise to large number of neoplasms and non-neoplastic lesions. This article focuses on benign neoplasms, such as serous neoplasms, and tumorlike (pseudotumoral) lesions that may be mistaken for neoplasm not only by clinicians and radiologists, but also by pathologists. The family of pancreatic pseudotumors, by a loosely defined conception of that term, includes a variety of lesions including heterotopia, hamartoma, and lipomatous pseudohypertrophy. Autoimmune pancreatitis and paraduodenal ("groove") pancreatitis may also lead to pseudotumor formation...
December 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27920848/a-systematic-investigation-of-sclerosing-mesenteritis-through-ct-and-mri
#9
Sotirios Apostolakis, Argyrios Ioannidis, Garyfalia Tsioga, Konstantina Papageorgiou, Georgios Velimezis
Sclerosing mesenteritis is primarily diagnosed through histologic and radiologic evaluation; however, only a few works provide a systematic description using MRI. This work presents the case of a 68-year-old male, who was admitted for a routine cholecystectomy. Intraoperativly, a large mass was identified dislocating the abdominal viscera. The microscopic examination revealed vascular congestion of the omentum. The contrast-enhanced CT and MRI scans revealed the presence of a heterogenous, lipomatous mass with lesions visible only in T2W and contrast-enhanced T1W MRI...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27879515/atypical-spindle-cell-lipomatous-tumor-clinicopathologic-characterization-of-232-cases-demonstrating-a-morphologic-spectrum
#10
Adrian Mariño-Enriquez, Alessandra F Nascimento, Azra H Ligon, Cherwei Liang, Christopher D M Fletcher
The classification of atypical adipocytic neoplasms with spindle cell features remains challenging. To better define this category of low-grade lipomatous neoplasms, we present herein the clinical, histologic, and immunohistochemical characteristics of a large series of 232 atypical spindle cell lipomatous tumors. The lesions affected 140 males and 92 females, at an average age of 54 years (range, 6 to 87 y), clinically presenting as a persistent or enlarging mass with a median size of 5 cm. The anatomic distribution of the tumors was wide, predominating in the limbs and limb girdles (147 cases, 63%), mainly in the hands and feet (17% and 11%, respectively), with equal distribution between subcutaneous and deeper locations...
November 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27857981/lipomatous-meningioma-case-report-and-review-of-the-literature
#11
Walid Radwan, Brandon Lucke-Wold, Cletus Cheyuo, Janice Ahn, Kymberly Gyure, Sanjay Bhatia
Lipomatous meningiomas are a very rare form of brain meningiomas consisting of fat accumulation within the tumor. Magnetic resonance imaging (MRI) or computerized tomographic (CT) imaging can be utilized to visualize the fat accumulations, but histopathologic staining is necessary in order to make a definitive diagnosis. The key histopathologic feature is the identification of adipocyte-like cells within the tumor, but other markers have also been identified. In this case report and review of the literature, we discuss how to recognize the symptoms associated with lipomatous meningiomas and the definitive treatment approach for these rare tumors...
November 2016: Case Studies in Surgery
https://www.readbyqxmd.com/read/27833986/dermal-plexiform-spindle-cell-lipoma
#12
José Fernando Val-Bernal, Sandra Hermana
Spindle cell lipoma located in the dermis is uncommon. The plexiform variant of this tumor is rare. In fact, only six cases of this variant have been described previously. We report herein a case of dermal plexiform spindle cell lipoma with prominent myxoid matrix. A 47-year-old male patient presented with a solitary, 2.2 cm-cutaneous mass in the right buttock region that had slowly increased in size for over one year. The dermal lesion was characterized by a mixture of mature adipocytes, spindle shaped cells and inconspicuous ropey collagen bundles in a mucinous background...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27821035/a-hitherto-undescribed-benign-mesenchymal-polyp-of-the-gallbladder-edematous-angiomyolipoma-like-polyp
#13
R Arcega, J X Wu, S Magaki, T R Donahue, H L Wang
We report a case of two peculiar gallbladder polyps in a sixty-four year old male who presented with symptomatic cholelithiasis. Cholecystectomy was performed, which revealed two polyps measuring 0.6 cm and 1.9 cm, located in the body of the gallbladder. Microscopic examination of the polyps showed composite mesenchymal lesions with vascular proliferation of small-to-medium sized arterioles, myoid stroma, and lipomatous periphery. The myoid component was characterized by wisps of bland smooth muscle fibers loosely separated by proteinaceous and focally myxoid matrix...
July 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/27805457/laparoscopic-radiofrequency-ablation-combined-with-surgical-excision-for-exophytic-renal-angiomyolipoma-a-novel-technique-based-on-tumor-vasculature-features-of-enhancing-renal-masses-toward-hilar-off-clamping-nephron-sparing-surgery
#14
Wei Xiong, Qing Ran, Yangchun Du, Ji Lv, Fang Chen, Shan Zhong, Pu Guo, Ke Dou, Minghan Sun
OBJECTIVES: Symptomatic angiomyolipoma (AML) and asymptomatic AML larger than 4 cm in size are usually treated with nephron-sparing surgery or transarterial embolization. We used radiofrequency ablation to treat the vascular pedicle of exophytic AML with low R.E.N.A.L. nephrometry score and investigated its feasibility for hilar off-clamping nephron-sparing surgery. METHODS: Contrast-enhanced computed tomography (CT) showed enhanced, well-defined lipomatous tumors with a maximum diameter of 4-8 cm in the kidney of 15 patients...
November 2, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27785071/current-classification-treatment-options-and-new-perspectives-in-the-management-of-adipocytic-sarcomas
#15
REVIEW
Alessandro De Vita, Laura Mercatali, Federica Recine, Federica Pieri, Nada Riva, Alberto Bongiovanni, Chiara Liverani, Chiara Spadazzi, Giacomo Miserocchi, Dino Amadori, Toni Ibrahim
Sarcomas are a heterogeneous group of mesenchymal tumors arising from soft tissue or bone, with an uncertain etiology and difficult classification. Soft tissue sarcomas (STSs) account for around 1% of all adult cancers. Till date, more than 50 histologic subtypes have been identified. Adipocyte sarcoma or liposarcoma (LPS) is one of the most common STS subtypes, accounting for 15% of all sarcomas, with an incidence of 24% of all extremity STSs and 45% of all retroperitoneal STSs. The new World Health Organization classification system has divided LPS into four different subgroups: atypical lipomatous tumor/well-differentiated LPS, dedifferentiated LPS, myxoid LPS, and pleomorphic LPS...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27729180/combined-endovascular-and-microsurgical-treatment-of-a-complex-spinal-arteriovenous-fistula-associated-with-cloves-syndrome-in-an-adult-patient
#16
Mohammad R Boroumand, M Yashar S Kalani, Robert F Spetzler
CLOVES (congenital lipomatous overgrowth, vascular malformations, epidermal nevi, and scoliosis/skeletal/spinal anomalies) syndrome is a congenital and almost exclusively pediatric syndrome associated with vascular malformations of the neuroaxis. We report the case of a complex spinal arteriovenous fistula in an adult woman with CLOVES syndrome treated using a multidisciplinary approach with endovascular embolization and microsurgical technique, and review the medical literature on this disease.
December 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27713864/non-radiographic-risk-factors-differentiating-atypical-lipomatous-tumors-from-lipomas
#17
Justin E Bird, Lee Jae Morse, Lei Feng, Wei-Lien Wang, Patrick P Lin, Bryan S Moon, Alexander J Lazar, Robert L Satcher, John E Madewell, Valerae O Lewis
PURPOSE: To determine non-radiographic risk factors differentiating atypical lipomatous tumors (ALTs) from lipomas. METHODS: All patients with deep-seated lipomatous tumors of the extremities treated from January 2000 to October 2010 were retrospectively reviewed. Factors reviewed included age, gender, tumor location, size, histology, local recurrence, dedifferentiation, and metastasis. Multivariate logistic regression models were used to evaluate the effects of patient characteristics on ALT status...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27695575/peripheral-nerve-lipoma-case-report-of-an-intraneural-lipoma-of-the-median-nerve-and-literature-review
#18
Alisson Roberto Teles, Guilherme Finger, Marcelo N Schuster, Pedro Luis Gobbato
Adipose lesions rarely affect the peripheral nerves. This can occur in two different ways: Direct compression by an extraneural lipoma, or by a lipoma originated from the adipose cells located inside the nerve. Since its first description, many terms have been used in the literature to mention intraneural lipomatous lesions. In this article, the authors report a case of a 62-year-old female who presented with an intraneural median nerve lipoma and review the literature concerning the classification of adipose lesions of the nerve, radiological diagnosis and treatment...
October 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27695535/spinal-epidural-angiolipomas-clinical-characteristics-management-and-outcomes
#19
Sofiene Bouali, Nidhal Maatar, Asma Bouhoula, Khansa Abderrahmen, Imed Ben Said, Adnen Boubaker, Jalel Kallel, Hafedh Jemel
PURPOSE: The spinal epidural angiolipomas are rare expansive processes made of mature lipomatous and angiomatous elements. They often have a benign character. Their etiology, pathogenesis remains uncertain, and it is a cause of spinal cord compression. The magnetic resonance imaging is the most important neuroradiological examination. Histological examination is the only examination to confirm the diagnosis. Surgery is the treatment of choice. METHODS: A retrospective study of all patients operated on for a spinal epidural angiolipoma at the Department of Neurosurgery at the National Institute of Neurology of Tunis between January 2000 and December 2014 (15 years) was performed...
October 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27693869/colo-colonic-intussusception-due-to-large-submucous-lipoma-a-case-report
#20
Luiza Ohasi de Figueiredo, D P C Garcia, Luiz Ronaldo Alberti, R A Paiva, Andy Petroianu, Luiza Barbosa Paolucci, M R L G Costa
INTRODUCTION: Intussusception in adult is rarely caused by idiopathic conditions. Main causes are inflammatory diseases, benign or malignant tumors and motility disorders. As a benign cause, lipomas appear as a particularly rare gastrointestinal intraluminal tumor occurring with highest incidence in the colon, mostly in the caecum and ascending colon. PRESENTATION OF CASE: A 57-year-old male patient was admitted at the surgical emergency in Belo Horizonte, with history of chronic and intermittent diffuse abdominal pain, associated with variations of his bowel habits and rare episodes of vomiting starting around 3days prior to admission...
September 21, 2016: International Journal of Surgery Case Reports
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