keyword
MENU ▼
Read by QxMD icon Read
search

Angiomyolipoma

keyword
https://www.readbyqxmd.com/read/28616301/successful-thoracoscopic-resection-of-a-large-mediastinal-angiomyolipoma
#1
Young Du Kim, Seong Cheol Jeong, Hyun Woo Jeon, Sun Wha Song, Ok Ran Shin, Si Young Choi
An angiomyolipoma (AML) is a benign mesenchymal tumor characterized by proliferation of mature vessels, smooth muscle, and adipose tissue. AMLs most commonly occur in the kidney but have been reported in a variety of extrarenal sites. Mediastinal AMLs are extremely rare. We herein present a case of a large AML of the mediastinum that was successfully treated by thoracoscopic resection.
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28614212/phosphaturic-mesenchymal-tumors-clinicopathologic-immunohistochemical-and-molecular-analysis-of-22-cases-expanding-their-morphologic-and-immunophenotypic-spectrum
#2
Abbas Agaimy, Michael Michal, Simion Chiosea, Fredrik Petersson, Ladislav Hadravsky, Glenn Kristiansen, Raymund E Horch, Jan Schmolders, Arndt Hartmann, Florian Haller, Michal Michal
Phosphaturic mesenchymal tumor (PMT) is a rare neoplasm of uncertain histogenesis that has been linked to tumor-induced osteomalacia (TIO) since 1959. The neoplastic cells produce increased amount of FGF23 which results in TIO via uncontrolled renal loss of phosphate (phosphaturia), and consequently diminished bone mineralization. To date, ∼300 cases have been reported. Although there is increasing evidence that PMT can be diagnosed by reproducible histopathologic features, firm diagnosis has been often restricted to cases associated with TIO and, hence, diagnosis of "nonphosphaturic variants" remained challenging...
June 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28609114/do-incidental-hyperechoic-renal-lesions-measuring-up-to-1-cm-warrant-further-imaging-outcomes-of-161-lesions
#3
Ankur M Doshi, Abimbola Ayoola, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study was to determine the outcomes of hyperechoic renal lesions measuring 1 cm or less at ultrasound examination. MATERIALS AND METHODS: This retrospective study included 161 hyperechoic renal lesions measuring 1 cm or less at ultrasound that were evaluated with follow-up ultrasound, CT, or MRI. Follow-up imaging examinations were reviewed to assess for definitive lesion characterization or size stability. RESULTS: Follow-up included 11 unenhanced CT, 39 contrast-enhanced CT, 52 unenhanced and contrast-enhanced CT, two unenhanced MRI, 50 unenhanced and contrast-enhanced MRI, and 87 ultrasound examinations...
June 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28607876/chromophobe-renal-cell-carcinoma-and-the-synchronous-presence-of-primary-colon-malignancies-is-there-a-relation
#4
Georgios Sahsamanis, Ilias Katikaridis, Georgios Mikros, Vasileios Tzelepis, Dionysios Pinialidis, Titos Deverakis, Georgios Dimitrakopoulos
While the presence of multiple primary malignancies in the same patient is a well described phenomenon, there is no clear association between various histological subtypes of renal cell carcinoma (RCC) and the synchronous presence of colon malignancies. We present the rare case of an 81-year-old female patient suffering from chromophobe renal cell carcinoma (chRCC) and an angiomyolipoma of her left kidney, synchronous with an adenocarcinoma of the caecum. While there is an established connection between RCC and colon cancer, a literature review is performed to specify this association in regard to chRCC and the synchronous presence of colon malignancies...
September 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28600877/stepwise-algorithm-using-computed-tomography-and-magnetic-resonance-imaging-for-diagnosis-of-fat-poor-angiomyolipoma-in-small-renal-masses-development-and-external-validation
#5
Hajime Tanaka, Yasuhisa Fujii, Hiroshi Tanaka, Junichiro Ishioka, Yoh Matsuoka, Kazutaka Saito, Sho Uehara, Noboru Numao, Takeshi Yuasa, Shinya Yamamoto, Hitoshi Masuda, Junji Yonese, Kazunori Kihara
OBJECTIVES: To develop a stepwise diagnostic algorithm for fat-poor angiomyolipoma in small renal masses. METHODS: Two cohorts of small renal masses <4 cm without an apparent fat component that was pathologically diagnosed were included: 153 cases (18 fat-poor angiomyolipomas/135 renal cell carcinomas) for model development and 71 cases (seven fat-poor angiomyolipomas/59 renal cell carcinomas/5 oncocytomas) for validation. Dynamic contrast-enhanced computed tomography, magnetic resonance imaging and clinical findings were analyzed...
June 10, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28596583/dynamic-contrast-enhanced-mri-in-renal-tumors-common-subtype-differentiation-using-pharmacokinetics
#6
Hai-Yi Wang, Zi-Hua Su, Xiao Xu, Ning Huang, Zhi-Peng Sun, Ying-Wei Wang, Lu Li, Ai-Tao Guo, Xin Chen, Xin Ma, Lin Ma, Hui-Yi Ye
Preoperative renal tumor subtype differentiation is important for radiology and urology in clinical practice. Pharmacokinetic data (K (trans) & V e, etc.) derived from dynamic contrast-enhanced MRI (DCE-MRI) have been used to investigate tumor vessel permeability. In this prospective study on DCE-MRI pharmacokinetic studies, we enrolled patients with five common renal tumor subtypes: clear cell renal cell carcinoma (ccRCC; n = 65), papillary renal cell carcinoma (pRCC; n = 12), chromophobic renal cell carcinoma (cRCC; n = 9), uroepithelial carcinoma (UEC; n = 14), and fat-poor angiomyolipoma (fpAML; n = 10)...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28594706/diagnosis-of-tuberous-sclerosis-complex-in-a-patient-referred-for-uncontrolled-hypertension-and-renal-dysfunction-a-case-highlighting-the-importance-of-proper-diagnostic-work-up-of-hypertensive-patients
#7
Pantelis A Sarafidis, Athanasios Bikos, Charalampos Loutradis, Stergios Tzikas, Efstratios Vakirlis, Eugenia Avdelidou, Dimitrios Zafeiriou, Aikaterini Papagianni, Vasileios Vassilikos
: We report a case of a 39-year-old woman with resistant hypertension and renal dysfunction. The patient was hospitalized 3 months earlier for dyspnea at the Department of Cardiology, where she was diagnosed with heart failure (left ventricle injection fraction: 25-30%), pulmonary hypertension, chronic kidney disease (serum creatinine: 1.58 mg/dl), and resistant hypertension and discharged with optimal heart failure treatment. At presentation to our clinic, apart from uncontrolled hypertension for more than 10 years and history of pre-eclampsia and fetal loss, the patient had obesity (BMI: 38 kg/m) and facial fibromas...
June 7, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28592361/ct-imaging-of-solid-renal-masses-pitfalls-and-solutions
#8
REVIEW
S Krishna, C A Murray, M D McInnes, R Chatelain, M Siddaiah, O Al-Dandan, S Narayanasamy, N Schieda
Computed tomography (CT) remains the first-line imaging test for the characterisation of renal masses; however, CT has inherent limitations, which if unrecognised, may result in errors. The purpose of this manuscript is to present 10 pitfalls in the CT evaluation of solid renal masses. Thin section non-contrast enhanced CT (NECT) is required to confirm the presence of macroscopic fat and diagnosis of angiomyolipoma (AML). Renal cell carcinoma (RCC) can mimic renal cysts at NECT when measuring <20 HU, but are usually heterogeneous with irregular margins...
June 4, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28591983/-clinical-and-pathologic-analysis-of-414-cases-of-renal-angiomyolipomain-in-a-single-institution
#9
H L Bao, X Chen, Y X An, H B Sun, H Y Wang, A T Guo
Objective: To study the different clinicopathological characteristics between classic and epithelioid renal angiomyolipoma, and the relationships between clinicopathological characteristics and biological behaviors as basis for clinical treatment. Methods: The clinicopathological and follow-up data for the patients diagnosed with renal angiomyolipoma between 2004 and 2011 were retrospectively reviewed and analyzed. Results: There were 414 cases of renal angiomyolipoma diagnosed over 8 years ago, accounting for 8...
June 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28590813/imaging-features-of-solid-renal-masses
#10
Massimo Galia, Domenico Albano, Alberto Bruno, Antonino Agrusa, Giorgio Romano, Giuseppe Di Buono, Francesco Agnello, Giuseppe Salvaggio, Ludovico La Grutta, Massimo Midiri, Roberto Lagalla
The widespread use of abdominal imaging techniques has increased the detection of solid renal masses over the last years. Imaging plays a crucial role in the management, surveillance and in determining which lesions need treatment. The "Classical Angiomyolipoma" is the only benign solid renal mass that can be characterized with confidence by imaging through the detection of a fat-containing lesion without calcifications. There is a large overlap of imaging features between benign and malignant renal masses that often makes difficult a correct characterization of these lesions...
June 7, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28584685/renal-epithelioid-angiomyolipoma-associated-with-pulmonary-lymphangioleiomyomatosis-imaging-findings
#11
Athina C Tsili, Alexandra Ntorkou, Maria I Argyropoulou
Renal angiomyolipomas (AMLs) and pulmonary lymphangioleiomyomatosis (LAM) are the most common tumors of the perivascular epithelioid cell (PEComa) family. Both may be associated with tuberous sclerosis (TS) complex. Epithelioid AML (EAML) is a rare variety of AMLs, with a potential aggressive behavior. There are few reports in the English literature addressing on the imaging findings of renal EAMLs, which are considered nonspecific. We present the sonographic, computed tomographic, and magnetic resonance imaging findings of a renal EAML in a pregnant woman with concomitant pulmonary lesions indicative of LAM, without stigmata of TS...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28584217/occult-renal-cell-carcinoma-of-eosinophilic-morphology-detected-within-renal-angiomyolipoma-mass-in-a-patient-with-tuberous-sclerosis-complex
#12
Chun-Nian Wang, Su-Ying Wang, Min-Jiang Lin, Hong-Wei Wang
No abstract text is available yet for this article.
June 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28557245/everolimus-in-pregnancy-case-report-and-literature-review
#13
Mie Yamamura, Takashi Kojima, Masayuki Koyama, Ataru Sazawa, Takahiro Yamada, Hisanori Minakami
There have been few reports on the effects of everolimus on the fetus, but none of six infants with documented everolimus exposure in utero had congenital malformations. A 32-year-old nulliparous woman on everolimus (5.0 mg/day) for renal angiomyolipoma (AML) due to tuberous sclerosis complex (TSC) was found to be pregnant at gestational week (GW) 7-5/7, at which time everolimus was withheld. To control AML in this patient, transarterial embolization was performed in the right and left kidneys at GW 21 and 24, respectively, and everolimus was reinitiated at GW 25...
May 29, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28556973/primary-cutaneous-perivascular-epithelioid-cell-tumor-pecoma-five-new-cases-and-review-of-the-literature
#14
Lauren N Stuart, Russell G Tipton, Michael DeWall, Douglas C Parker, Christina D Stelton, Annie O Morrison, Landon W Coleman, Scott W Fosko, Claudia I Vidal, M Yadira Hurley, Amy H Deeken, Jerad M Gardner
PEComas represent a family of uncommon mesenchymal tumors composed of "perivascular epithelioid cells" with a distinct immunophenotype that typically shows both myogenic and melanocytic differentiation. The PEComa family includes angiomyolipoma (AML), clear cell "sugar" tumor of the lung and extra pulmonary sites, lymphangioleiomyomatosis and clear cell myomelanocytic tumor of the falciform ligament/ligamentum teres. Very rarely, PEComas may arise in the skin. Primary cutaneous PEComas typically display a dermal proliferation of epithelioid cells with pale, clear, or granular pink cytoplasm arranged in nests and trabeculae with an intervening arborizing network of delicate capillaries...
May 30, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28553050/successful-treatment-of-multiple-angiomyolipomas-with-sirolimus-in-a-child
#15
K Pabedinskas, M Kobrzynski, G Filler
Tuberous sclerosis complex frequently results in the formation of renal angiomyolipomas (AMLs). Sirolimus (SIR) or everolimus can be used to treat large AMLs, although this treatment has rarely been described in children, particularly for multiple renal AMLs. A 15-year-old girl presented with bilateral severe chronic flank pain coinciding with increased renal size and hundreds of renal AMLs. We opted to treat her with SIR over the course of 3.5 years. Following her treatment, her renal size had substantially decreased and the AMLs had shrunk...
May 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28547571/clinical-presentations-and-molecular-studies-of-invasive-renal-epithelioid-angiomyolipoma
#16
Cheng-Keng Chuang, Hsin Chia Angela Lin, Han-Yu Tasi, Kun-Han Lee, Yuting Kao, Fukai Leo Chuang, Ying-Hsu Chang, Po-Hung Lin, Chung-Yi Liu, See-Tong Pang
PURPOSE: Epithelioid angiomyolipoma (EAML) is a rare variant of renal angiomyolipoma with malignant potential, and the cytogenetic and clinical behavior of EAML remains a challenging issue. METHODS: We retrospectively analyze the clinical courses of five EAML, the use of everolimus on metastatic EAML, and next-generation sequencing (NGS) and polymerase chain reaction (PCR) studies to investigate the gene mutation of TSC and the impact of PI3K/Akt/mTOR signaling pathway in metastatic EAML...
May 25, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28540905/tuberous-sclerosis-complex-bourneville-pringle-disease-in-a-25-year-old-female-with-bilateral-renal-angiomyolipoma-and-secondary-hypertension
#17
Sahar El Aoud, Faten Frikha, Mouna Snoussi, Raida Ben Salah, Zouhir Bahloul
Tuberous sclerosis or tuberous sclerosis complex (TSC) is an autosomal dominant inherited neurocutaneous disorder that variably affects the brain, skin, kidneys, heart, and other organs. It is characterized by skin and renal lesions in addition to central and peripheral nervous system tumors, with neurological and psychiatric findings. We report such a rare case of tuberous sclerosis in a 25-year-old female who presented with abdominal pain and hypertension. Physical examination showed dermatological signs that included hypopigmented maculae, shagreen plaque, angiofibromas on the centrofacial areas, periungual fibromas on toes, and molluscum pendulum around the neck...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28533049/long-term-effect-of-sirolimus-on-serum-vegf-d-levels-in-patients-with-lymphangioleiomyomatosis
#18
Angelo M Taveira-DaSilva, Amanda M Jones, Patricia Julien-Williams, Mario Stylianou, Joel Moss
BACKGROUND: Sirolimus reduces serum levels of VEGF-D, size of chylous effusions, lymphangioleiomyomas, and angiomyolipomas, and stabilizes lung function in patients with lymphangioleiomyomatosis. METHODS: To determine whether reductions in VEGF-D levels are sustained over time, and parallel changes in lung function and lymphatic disease, we evaluated 25 patients with lymphangioleiomyomatosis and measured VEGF-D levels, lung function and extent of lymphatic disease before and during sirolimus therapy RESULTS: Treatment with sirolimus stabilized FEV1 and DLCO over a period of 4...
May 19, 2017: Chest
https://www.readbyqxmd.com/read/28528853/sarcomatoid-renal-cell-carcinoma-and-collecting-duct-carcinoma-discrimination-from-common-renal-cell-carcinoma-subtypes-and-benign-rcc-mimics-on-multiphasic-mdct
#19
Jonathan R Young, Jocelyn A Young, Daniel J A Margolis, Steven Sauk, James Sayre, Allan J Pantuck, Steven S Raman
RATIONALE AND OBJECTIVES: To investigate whether imaging features on multiphasic multidetector computed tomography (MDCT) can help discriminate sarcomatoid renal cell carcinoma (RCC) and collecting duct carcinoma (CDC) from other solid renal masses. MATERIALS AND METHODS: With institutional review board approval for this HIPAA-compliant study, we derived a cohort of 7 sarcomatoid RCCs, 4 CDCs, 165 clear cell RCCs, 56 papillary RCCs, 22 chromophobe RCCs, 49 oncocytomas, and 16 lipid-poor angiomyolipomas with preoperative multiphasic MDCT with up to four phases (unenhanced, corticomedullary, nephrographic, and excretory)...
May 18, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28525455/18f-fdg-pet-ct-of-malignant-angiomyolipoma-with-tumor-thrombus
#20
Andrew Griffin
Renal angiomyolipomas are the most common renal mesenchymal tumors. While classic angiomyolipomas are benign, there are a number of other subtypes. Epithelioid variants are potentially malignant and may be indistinguishable from renal cell carcinoma on imaging. We present a 52-year-old woman who underwent left nephrectomy for an aggressive-appearing malignant renal epithelioid angiomyolipoma. At 6 months postoperatively, restaging FDG PET/CT demonstrated a hypermetabolic left adrenal mass extending to the left adrenal vein, left renal vein, inferior vena cava, and right atrium (SUVmax = 12)...
May 19, 2017: Clinical Nuclear Medicine
keyword
keyword
22131
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"