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https://www.readbyqxmd.com/read/28525684/223ra-dichloride-response-in-a-patient-with-paget-disease-and-bone-metastases-secondary-to-castration-resistant-prostate-cancer
#1
Lina García Cañamaque, Cristina Rioja Parada, Paloma García De la Peña
PURPOSE: Paget disease is commonly asymptomatic and discovered when an imaging test is performed for another clinical indication or when elevated serum alkaline phosphatase is found. Bone pain usually appears late in the disease process and is only present in a minority of patients. For diagnosis, X-ray and bone scan are the most recommended imaging methods; radionuclide imaging of the skeleton has become the standard, since it is the most sensitive test for detecting increased bone activity...
May 18, 2017: Tumori
https://www.readbyqxmd.com/read/28525460/coexistent-superscan-and-lincoln-sign-on-bone-scintigraphy
#2
Mukta Kulkarni, Atul Soni, Shubhangi Shetkar, Momin Amer, Amruta Mulavekar, Prathamesh Joshi
A 70-year-old man underwent Tc-methylene diphosphonate scintigraphy for staging of adenocarcinoma prostate. Scintigraphy revealed diffuse increased tracer uptake in skeletal system along with faint renal visualization, a pattern compatible with metastatic superscan. The scintigraphy also revealed increased radiotracer uptake in the body of the mandible-Lincoln sign or black beard sign. Radiological imaging revealed sclerotic lesions throughout the skeleton including the mandible, confirming widespread skeletal metastases...
May 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28525420/diagnostic-criteria-in-intraepithelial-pagetoid-neoplasms-a-histopathologic-study-and-evaluation-of-select-features-in-paget-disease-bowen-disease-and-melanoma-in-situ
#3
Amira Elbendary, Ruzeng Xue, Manuel Valdebran, Kara Melissa T Torres, Kruti Parikh, Inas Elattar, Eun Ji Kwon, Dirk M Elston
BACKGROUND: Paget disease, Bowen disease, and malignant melanoma in situ are intraepidermal neoplasms, characterized by the presence of pagetoid scatter of atypical cells in the epidermis. This study reviewed the frequency of select histologic criteria to validate their usefulness in the histologic distinction between these entities. METHODS: One hundred forty-four specimens with the diagnosis of Bowen disease, 144 specimens with Paget disease (mammary and extramammary), and 144 specimens with malignant melanoma in situ were examined microscopically to define frequencies of select histologic criteria present in each disease...
June 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28524179/a-fkbp5-mutation-is-associated-with-paget-s-disease-of-bone-and-enhances-osteoclastogenesis
#4
Bingru Lu, Yulian Jiao, Yinchang Wang, Jing Dong, Muyun Wei, Bin Cui, Yafang Sun, Laicheng Wang, Bingchang Zhang, Zijiang Chen, Yueran Zhao
Paget's disease of bone (PDB) is a common metabolic bone disease that is characterized by aberrant focal bone remodeling, which is caused by excessive osteoclastic bone resorption followed by disorganized osteoblastic bone formation. Genetic factors are a critical determinant of PDB pathogenesis, and several susceptibility genes and loci have been reported, including SQSTM1, TNFSF11A, TNFRSF11B, VCP, OPTN, CSF1 and DCSTAMP. Herein, we report a case of Chinese familial PDB without mutations in known genes and identify a novel c...
May 19, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28521791/exploring-the-role-of-socioeconomic-factors-in-the-development-and-spread-of-anti-malarial-drug-resistance-a-qualitative-study
#5
Philip Emeka Anyanwu, John Fulton, Etta Evans, Timothy Paget
BACKGROUND: Malaria remains a global health issue with the burden unevenly distributed to the disadvantage of the developing countries of the world. Poverty contributes to the malaria burden as it has the ability to affect integral aspects of malaria control. There have been renewed efforts in the global malaria control, resulting in reductions in the global malaria burden over the last decade. However, the development of resistance to artemisinin-based combination therapy threatens the sustainability of the present success in malaria control...
May 18, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28512218/ubiquitin-and-atp-dependent-unfoldase-activity-of-p97-vcp%C3%A2-nploc4%C3%A2-ufd1l-is-enhanced-by-a-mutation-that-causes-multisystem-proteinopathy
#6
Emily E Blythe, Kristine C Olson, Vincent Chau, Raymond J Deshaies
p97 is a "segregase" that plays a key role in numerous ubiquitin (Ub)-dependent pathways such as ER-associated degradation. It has been hypothesized that p97 extracts proteins from membranes or macromolecular complexes to enable their proteasomal degradation; however, the complex nature of p97 substrates has made it difficult to directly observe the fundamental basis for this activity. To address this issue, we developed a soluble p97 substrate-Ub-GFP modified with K48-linked ubiquitin chains-for in vitro p97 activity assays...
May 16, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28508825/abcs-of-rhogtpases-indicating-potential-role-as-oncotargets
#7
REVIEW
Indira Bora, Neeta Shrivastava
RhoGTPases also known as molecular switches represent a family of GTP-binding proteins. They shuttle between "On" and "Off" states. In the "On" state, they activate plethora of molecules. These proteins perform a wide variety of functions involving cytoskeletal modeling, cell motility, migration, and mitosis. Members of this family are referred as master regulators of many cellular activities. Due to wide variety of portfolios attributed to RhoGTPases, their misbehavior leads to initiation and also progression of metastatic cancers...
January 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28507633/deep-vein-thrombosis-in-upper-limb-in-a-weightlifter
#8
Montserrat Pérez Pinar, Regina Pastor Toledo, Luis Broseta Viana, Julián Solís García Del Pozo
AIM: We report an unusual case of a male weightlifter with upper extremity venous thrombosis. CASE PRESENTATION: Thrombosis affecting subclavian-axillo-humeral venous trunk produced by the compression of these veins by the trained muscles of the shoulder girdle (Paget-Schroetter syndrome) has been reported. During the study, a renal carcinoma was detected. Renal carcinoma has rarely been associated with thrombosis in the upper extremities. CONCLUSION: This case shows the importance of performing a complete study to rule out malignancies in patients with unusual venous thromboembolism...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28506889/nfam1-signaling-enhances-osteoclast-formation-and-bone-resorption-activity-in-paget-s-disease-of-bone
#9
Yuvaraj Sambandam, Kumaran Sundaram, Takamitsu Saigusa, Sundaravadivel Balasubramanian, Sakamuri V Reddy
Paget's disease of bone (PDB) is marked by the focal activity of abnormal osteoclasts (OCLs) with excess bone resorption. We previously detected measles virus nucleocapsid protein (MVNP) transcripts in OCLs from patients with PDB. Also, MVNP stimulates pagetic OCL formation in vitro and in vivo. However, the mechanism by which MVNP induces excess OCLs/bone resorption activity is unclear. Microarray analysis identified MVNP induction of NFAM1 (NFAT activating protein with ITAM motif 1) expression. Therefore, we hypothesize that MVNP induction of NFAM1 enhances OCL differentiation and bone resorption in PDB...
May 12, 2017: Bone
https://www.readbyqxmd.com/read/28498272/paget-s-disease-of-the-temporal-bone-a-single-institution-contemporary-review-of-27-patients
#10
Nicholas L Deep, Jake G Besch-Stokes, John I Lane, Colin L W Driscoll, Matthew L Carlson
OBJECTIVES: To report a contemporary review from a single-institution series on Paget's disease of the temporal bone (PDTB). STUDY DESIGN: Retrospective chart review of patients evaluated from 1998 to 2016. SETTING: Quaternary referral center. PATIENTS: Patients with radiographically confirmed PDTB. MAIN OUTCOME MEASURES: Clinical, audiological, and radiological features and management strategies of PDTB...
May 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28492924/handheld-reflectance-confocal-microscopy-for-the-detection-of-recurrent-extramammary-paget-disease
#11
Oriol Yélamos, Brian P Hibler, Miguel Cordova, Travis J Hollmann, Kivanc Kose, Michael A Marchetti, Patricia L Myskowski, Melissa P Pulitzer, Milind Rajadhyaksha, Anthony M Rossi, Manu Jain
Importance: Extramammary Paget disease (EMPD) is commonly refractory to surgical and nonsurgical therapies. Identifying recurrent or persistent EMPD is challenging because the disease is multifocal, and multiple blind scouting biopsies are usually performed in this setting. Handheld reflectance confocal microscopy (HRCM) has been used to diagnose and map primary EMPD and therefore may be used to identify EMPD recurrences. Objective: To evaluate HRCM's diagnostic accuracy in the setting of recurrent or persistent EMPD as well as its potential diagnostic pitfalls...
May 10, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28481796/18f-sodium-fluoride-pet-ct-in-paget-disease
#12
Francesca Cucchi, Lene Simonsen, Annemette Geilager Abild-Nielsen, Rikke Broholm
Paget disease (PD) of bone is a benign but chronic disorder of bone metabolism. We report a case of an 85-year-old man with several fractures in the pelvis and radiograph raising suspicion of metastases. An F-NaF PET/CT demonstrated high F-NaF uptake in the same regions. The integrated assessment of imaging findings, supported by biochemistry, allowed diagnosing PD. The F-NaF PET/CT is a supplementary diagnostic instrument in the diagnosis of PD, and use of F-NaF PET/CT in this context, especially finalized to the differential diagnosis with metastatic lesions, requires the physician to be familiar with imaging patterns of this disease...
May 6, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28473965/total-hip-arthroplasty-in-patients-with-paget-s-disease-of-bone-a-systematic-review
#13
Sammy A Hanna, Sebastian Dawson-Bowling, Steven Millington, Rej Bhumbra, Pramod Achan
AIM: To investigate the clinical and functional outcomes following total hip arthroplasty (THA) in patients with Paget's disease. METHODS: We carried out a systematic review of the literature to determine the functional outcome, complications and revision rates of THA in patients with Paget's disease. Eight studies involving 358 hips were reviewed. The mean age was 70.4 years and follow-up was 8.3 years. There were 247 cemented THAs (69%), 105 uncemented THAs (29%) and 6 hybrid THAs (2%)...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28467338/a-case-of-extramammary-inguinal-paget-disease-in-a-male-patient-surgical-treatment-with-an-abdominal-advancement-cutaneous-flap
#14
Andrea Sisti, Juri Tassinari, Roberto Cuomo, Luca Milonia, Giuseppe Nisi, Cesare Brandi, Carlo D'Aniello, Luca Grimaldi
Extramammary Paget disease (EMPD) is a rare neoplasm. The clinical case of a 55-year-old man with a two-year history of a pruritic, painless erythematous skin rash on the inguinal region and scrotum is described. After a delay due to improper diagnosis and improper treatments, the patient came to the attention of the Division of plastic surgery. He underwent a punch biopsy and the pathology report came back as EMPD. Surgical excision was carried out, and an abdominal advancement cutaneous flap was performed for the defect repair...
April 28, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28461034/cervical-metastases-originating-from-a-primary-rectal-adenocarcinoma-due-to-a-pagetoid-spread
#15
Michelle van der Linden, Peter Bult, Iris D Nagtegaal, Leon F A G Massuger, Joanne A de Hullu, Johan Bulten
Vulvar Paget disease is a rare skin disorder, considered an in situ adenocarcinoma. It is characterized by intraepithelial Paget cells, of which the origin is unclear. About 75% of cases have a cutaneous origin, the other 25% originate from an intestinal or urological malignancy. We report the first case of retrograde Pagetoid spread from a rectal adenocarcinoma to the vulva and cervix. A 66-year-old woman presented with postmenopausal bleeding and a history of Crohn's disease. Gynaecological work-up revealed vulvar and endocervical lesions consisting of Paget cells and adenocarcinoma, respectively...
April 28, 2017: Human Pathology
https://www.readbyqxmd.com/read/28454368/anti-osteoclastic-agent-denosumab-for-a-giant-cell-tumor-of-the-bone-with-concurrent-paget-s-disease-a-case-report
#16
Takaaki Tanaka, John Slavin, Sue-Anne McLachlan, Peter Choong
Paget's disease of the bone may predispose the development of malignant bone tumors such as osteosarcoma. Giant cell tumor (GCT) as a consequence of Paget's disease is rare. Bone GCT is characterized by rapid growth, the destruction of bone, extension to the surrounding soft tissue and abnormal bone turnover caused by an abnormality of the receptor activator of nuclear factor-κB (RANK)-RANK ligand (RANKL) pathway. Denosumab is a RANK-RANKL inhibitor, which is used to treat osteoporosis and bone GCT. In the current study, a 60-year-old male presented with severe pain located between the right thigh and the knee...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28451042/-paget-s-disease-of-the-nipple
#17
Saoussane Kharmoum, Rabie Rahhali
No abstract text is available yet for this article.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28445673/extramammary-paget-s-disease
#18
Sarah H Mehrtens, Sriramulu Tharakaram
An 89-year-old man presented with a 1-year history of a nonhealing groin rash. The rash was not painful or pruritic. He had previously been treated empirically with oral and topical antibiotics, topical antifungal agents, and topical glucocorticoids without improvement. The physical examination..
April 27, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28445069/targeted-dereplication-of-microbial-natural-products-by-high-resolution-ms-and-predicted-lc-retention-time
#19
Justine Chervin, Marc Stierhof, Ming Him Tong, Doe Peace, Kine Østnes Hansen, Dagmar Solveig Urgast, Jeanette Hammer Andersen, Yi Yu, Rainer Ebel, Kwaku Kyeremeh, Veronica Paget, Gabriela Cimpan, Albert Van Wyk, Hai Deng, Marcel Jaspars, Jioji N Tabudravu
A new strategy for the identification of known compounds in Streptomyces extracts that can be applied in the discovery of natural products is presented. The strategy incorporates screening a database of 5555 natural products including 5098 structures from Streptomyces sp., using a high-throughput LCMS data processing algorithm that utilizes HRMS data and predicted LC retention times (tR) as filters for rapid identification of known compounds in the natural product extract. The database, named StrepDB, contains for each compound the structure, molecular formula, molecular mass, and predicted LC retention time...
April 26, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28442808/extramammary-paget-s-disease-of-vulva-a-rare-entity
#20
Sandhya Yadav, Pratik Gahalaut, Hardev Singh Soodan, Nitin Mishra, Madhur Kant Rastogi
Extramammary Paget's disease is a rare cutaneous, intraepithelial adenocarcinoma involving primarily the epidermis but occasionally extending into the underlying dermis. The condition typically presents as a red, velvety, pruritic skin rash of the vulva region which closely mimics a multitude of other, more common conditions. As a result, vulvar Paget's disease is frequently misdiagnosed, leading to an often lengthy lag time (an average of about 2-3 years) between the onset of symptoms and diagnosis.
January 2017: Indian Journal of Sexually Transmitted Diseases
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