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https://www.readbyqxmd.com/read/28340105/morin-stain-detects-aluminum-containing-macrophages-in-macrophagic-myofasciitis-and-vaccination-granuloma-with-high-sensitivity-and-specificity
#1
Rati Chkheidze, Dennis K Burns, Charles L White, Diana Castro, Julie Fuller, Chunyu Cai
Macrophagic myofasciitis (MMF) is an inflammatory condition associated with the intramuscular (i.m.) injection of aluminum adjuvant-containing vaccines. It is clinically characterized by myalgia, weakness, and chronic fatigue and histologically by aggregates of cohesive macrophages with abundant basophilic, periodic acid-Schiff (PAS)-positive, diastase-resistant granules that percolate through the peri- and endomysium without eliciting substantial myofiber damage. The definitive diagnosis of MMF requires demonstration of aluminum within these macrophages...
March 15, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28339739/unabated-occupational-risk-in-a-patient-with-rheumatoid-pulmonary-fibrosis
#2
V K Holden, S J Kligerman, T G Hastings, S E Hines
Background: This case highlights the importance of considering hypersensitivity pneumonitis (HP) in the differential diagnosis of interstitial lung disease (ILD) and of obtaining an occupational history so that remediable risk factors may be identified and managed. Aims: To report a case of a chicken sexer with severe rheumatoid arthritis (RA) who developed progressively worsening dyspnoea and restrictive lung disease associated with pulmonary fibrosis. Methods: Clinical investigation included physical examination, occupational history, pulmonary function tests (PFTs), chest imaging and bronchoalveolar lavage (BAL), as well as serological tests including standard IgE bird feather mixture and local IgG precipitin preparation to chicken excrement...
February 23, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28332618/the-chemokine-receptor-cxcr4-promotes-granuloma-formation-by-sustaining-a-mycobacteria-induced-angiogenesis-programme
#3
Vincenzo Torraca, Claudia Tulotta, B Ewa Snaar-Jagalska, Annemarie H Meijer
CXC chemokine receptor 4 plays a critical role in chemotaxis and leukocyte differentiation. Furthermore, there is increasing evidence that links this receptor to angiogenesis. Using the well-established zebrafish-Mycobacterium marinum model for tuberculosis, angiogenesis was recently found to be important for the development of cellular aggregates called granulomas that contain the mycobacteria and are the hallmark of tuberculosis disease. Here, we found that initiation of the granuloma-associated proangiogenic programme requires CXCR4 signalling...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28331802/molecular-epidemiology-and-pathology-of-spirorchiid-infection-in-green-sea-turtles-chelonia-mydas
#4
Phoebe A Chapman, Helen Owen, Mark Flint, Ricardo J Soares Magalhães, Rebecca J Traub, Thomas H Cribb, Myat T Kyaw-Tanner, Paul C Mills
Spirorchiid blood fluke infections affect endangered turtle populations globally, and are reported as a common cause of mortality in Queensland green sea turtles. Both the flukes and their ova are pathogenic and can contribute to the stranding or death of their host. Of particular interest are ova-associated brain lesions, which have been associated with host neurological deficits. Accurate estimations of disease frequency and the relative effect of infection relating to different spirorchiid species are made difficult by challenges in morphological identification of adults of some genera, and a lack of species-level identifying features for ova...
April 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28331364/silicone-induced-granuloma-of-breast-implant-capsule-sigbic-similarities-and-differences-with-anaplastic-large-cell-lymphoma-alcl-and-their-differential-diagnosis
#5
REVIEW
Eduardo de Faria Castro Fleury, Milena Morais Rêgo, Luciana Costa Ramalho, Veronica Jorge Ayres, Rodrigo Oliveira Seleti, Carlos Alberto Pecci Ferreira, Decio Roveda
Primary breast lymphoma is a rare disease and accounts for 0.5% of cases of breast cancer. Most primary breast lymphomas develop from B cells, and the involvement of T cells is rare. Anaplastic large cell lymphoma (ALCL) is a recently discovered T-cell lymphoma associated with breast implants. Only a few cases have been reported to date. It is believed that the incidence of ALCL is increasing because of the increasing number of breast implants. The clinical presentation is variable and can manifest as a palpable mass in the breast or armpit, breast pain, or capsular contracture...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28331224/enhanced-wnt-signalling-in-hepatocytes-is-associated-with-schistosoma-japonicum-infection-and-contributes-to-liver-fibrosis
#6
Qi Wang, Xin Chou, Fei Guan, Zhengming Fang, Shengjun Lu, Jiahui Lei, Yonglong Li, Wenqi Liu
Liver fibrosis is the most serious pathology caused by Schistosoma japonicum infection, which arises when schistosome eggs are deposited in the liver. Eosinophils, macrophages and hepatic stellate cells (HSCs) have been identified as major cellular contributors to the development of granulomas and fibrosis, but little is known about the effects of hepatocytes on granuloma formation. Here, we found that the levels of Wnt signalling-related molecules, transforming growth factor β (TGF-β) and connective tissue growth factor (CTGF) in hepatocytes were markedly elevated after S...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28329600/delay-in-diagnosis-of-acral-melanoma
#7
Roberto Rheingantz da Cunha Filho, Leandra Matte, Ricardo Hohmann Camina
We report a 41-year-old woman presented with a 4-year history of an exuberant, erythematous tumor, with necrotic appearance of the right distal toe. The histopathology examination showed a nodular-ulcerative melanoma, with bone infiltration. Widespread metastases including the right ovary, peritoneum, and right breast were present. The patient was misdiagnosed for almost 4 years as having onychomycosis, ingrown nail and pyogenic granuloma.
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329548/sarcoidosis-with-prominent-necrosis-on-histopathology
#8
Rachel Rosenstein, Charisse Orme, Randie H Kim, Shane A Meehan, Alisa Femia
Sarcoidosis is a multiorgan inflammatory diseasewith variable clinical presentations and the commonhistopathologic finding of noncaseating granulomas.The etiology of the disease is not known, butevidence suggests both environmental and geneticcontributions to the pathogenesis. Depending onthe severity of cutaneous disease and extent ofextracutaneous involvement, therapies range fromtopical and intralesional glucocorticoids to systemicimmunomodulatory and immunosuppressiveagents. We present the case of a patient withcutaneous sarcoidosis with prominent necrosis onhistopathologic examination in the setting of severepulmonary sarcoidosis...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329542/silicone-granulomas-with-ulcers
#9
Lisa R Rothman, Randie H Kim, Shane A Meehan, Alisa Femia
We present a 42-year-old transgender womanwith woody induration over her buttocks andlower extremities as well as persistent ulcers of thebuttocks. The lesions developed ten years prior to herpresentation and approximately five years after shereceived illegal silicone injections to her buttocks.Histopathologic examination was consistent witha silicone granuloma. Silicone granuloma is a notan uncommon side effect of silicone injections andmore often occurs when the filler is administeredby non-physician practitioners, as is the case in thispatient...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329529/concurrent-pyogenic-granuloma-and-bullous-impetigo-of-a-pregnant-woman-s-finger
#10
Rosie Qin, Philip R Cohen
BACKGROUND: Bullous impetigo is a superficial skininfection caused by Staphylococcus aureus (S.aureus). Pyogenic granuloma is a common benigntumor frequently associated with prior trauma.Bullous impetigo and pyogenic granuloma may occurin pregnant women. PURPOSE: The features of a pregnant womanwith pyogenic granuloma and bullous impetigoconcurrently present in a lesion on her finger aredescribed. METHODS: PubMed was used to search the followingterms: bullous impetigo, pregnancy, and pyogenicgranuloma...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328616/borderline-tuberculoid-leprosy-masquerading-as-granuloma-annulare-a-clinical-and-histological-pitfall
#11
Tian Hao Zhu, Faranak Kamangar, Marc Silverstein, Maxwell A Fung
INTRODUCTION: Leprosy is a chronic granulomatous disease caused by Mycobacterium leprae, an intracellular acid-fast bacillus that tends to infect the skin and peripheral nerves. Because of the wide array of cutaneous manifestation, diagnosis is not always straightforward, especially in nonendemic regions of the world such as the United States. CASE REPORT: The authors report an unusual case of borderline tuberculoid leprosy in an 80-year-old white woman from California...
April 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28326206/chronic-hepatitis-with-liver-granulomas-in-a-patient-with-granuloma-annulare-a-case-report-and-review-of-the-literature
#12
Majid Alsahafi, Mohammed I AlJasser, Sunil Kalia, H M Yang, Alnoor Ramji
Granuloma annulare (GA) is a benign granulomatous skin disorder of unknown etiology. GA is rarely associated with liver diseases. We report a unique case of chronic hepatitis with liver granulomas in a patient with GA. Despite an extensive workup, no clear etiology for the hepatitis was found. Based on the possible immune pathophysiology of GA and the presence of liver granulomas, the patient was treated with prednisone and azathioprine which resulted in complete normalization of the liver enzymes and concurrent improvement of GA...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28325398/antimalarial-therapy-for-granuloma-annulare-results-of-a-retrospective-analysis
#13
Sungat K Grewal, Courtney Rubin, Misha Rosenbach
No abstract text is available yet for this article.
April 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28321355/a-rare-presentation-of-sarcoidosis-as-a-pancreatic-head-mass
#14
Shruti Mony, Pradnya D Patil, Rebekah English, Ananya Das, Daniel A Culver, Tanmay S Panchabhai
Sarcoidosis is a multisystem granulomatous syndrome of unknown etiology with noncaseating epithelioid granulomas being the pathognomonic pathological finding. Sarcoidosis most commonly involves the lungs and involvement of the gastrointestinal (GI) tract is uncommon. Pancreatic sarcoidosis is very rare, especially when it is the presenting feature of sarcoidosis and can masquerade as pancreatic cancer. Tissue infiltration in pancreatic sarcoidosis can lead to either a diffuse nodular appearance or a mass-like lesion...
2017: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/28319551/a-contemporary-medicolegal-analysis-of-implanted-devices-for-chronic-pain-management
#15
Christopher R Abrecht, Penny Greenberg, Ellen Song, Richard D Urman, James P Rathmell
BACKGROUND: Analysis of closed malpractice claims allows the study of rare but serious complications and likely results in improved patient safety by raising awareness of such complications. Clinical studies and closed claims analyses have previously reported on the common complications associated with intrathecal drug delivery systems (IDDS) and spinal cord stimulators (SCS). This study provides a contemporary analysis of claims from within the past 10 years. METHODS: We performed a closed claims analysis for a period January 1, 2009 to December 31, 2013 for cases with pain medicine as the primary service...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28318195/-serratia-infections-should-we-think-about-primary-immunodeficiencies
#16
Alicia Montaner Ramón, Laura Murillo Sanjuán, Cristina Martínez Faci, Carmelo Guerrero Laleona, Carmen Rodríguez-Vigil Iturrate
Chronic granulomatous disease (CGD) is a primary immunodeficiency with an incidence of 1/200,000-250,000 live births. CGD affects mainly male patients, most of the mutations being X-linked, and autosomal recessive forms occur more frequently in communities with greater numbers of consanguineous marriages. CGD is characterized by sensitivity to recurrent and severe bacterial and fungal infections, with formation of granulomas due to the inability of phagocytes to generate reactive oxygen compounds, necessary for the intracellular death of phagocytic microorganisms...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28318050/fibro-osseous-pseudotumor-of-the-digits-mimicking-pyogenic-granuloma
#17
Alba Gómez-Zubiaur, Laura Pericet-Fernández, María Dolores Vélez-Velázquez, Alicia Cabrera-Hernández, Ana Belen Piteiro-Bermejo, Sonia Beá-Ardebol, Susana Medina-Montalvo, Lidia Trasobares-Marugán
Fibro-osseous pseudotumor of the digits is a benign neoplasm that originates in the soft tissue adjacent to the short bones of the hands and feet. We present a case in a 13-year-old girl that was initially misdiagnosed as pyogenic granuloma. Familiarity with this entity and imaging and histologic studies are necessary to avoid incorrect diagnoses and aggressive surgical interventions.
March 20, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28317464/molecular-mechanisms-of-pulmonary-response-progression-in-crystalline-silica-exposed-rats
#18
Rajendran Sellamuthu, Christina Umbright, Jenny R Roberts, Shih-Houng Young, Diana Richardson, Walter McKinney, Bean T Chen, Shengqiao Li, Michael Kashon, Pius Joseph
An understanding of the mechanisms underlying diseases is critical for their prevention. Excessive exposure to crystalline silica is a risk factor for silicosis, a potentially fatal pulmonary disease. Male Fischer 344 rats were exposed by inhalation to crystalline silica (15 mg/m(3), six hours/day, five days) and pulmonary response was determined at 44 weeks following termination of silica exposure. Additionally, global gene expression profiling in lungs and BAL cells and bioinformatic analysis of the gene expression data were done to understand the molecular mechanisms underlying the progression of pulmonary response to silica...
March 19, 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28316936/granulomatous-inflammation-of-the-penis-and-scrotum-following-application-of-topical-cream
#19
Amir Ishaq Khan, Akanksha Mehta, Aarti Sekhar, Carla L Ellis
Granulomas are collections of histiocytes that develop as an inflammatory response to bacterial and fungal infections, as well as foreign substances. We discuss here the case of a 49-year-old male who presented with a penile and scrotal mass with granulomatous inflammation, after application of a topical cream for enhancement of erectile function. While granuloma formation can often be seen with penile injections, this case presents the rare development of a foreign body granuloma after topical cream application on the penis and scrotum...
May 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28316416/murine-hepatocytes-dna-changes-as-an-assessment-of-the-immunogenicity-of-potential-anti-schistosomal-vaccines-experimentally
#20
Samia E Etewa, Mohamed H A Hegab, Ashraf S Metwally, Somia H Abd Allah, Sally M Shalaby, Amal S El-Shal, Mohamed Baredy, Mahmoud A El Shafey, Howayda S F Moawad
Hepatic affection by granulomatous inflammation in schistosomiasis suggested that a potential anti-pathology vaccine could be generated based on limiting the presence of hazardous hepatocytes induced apoptosis and caused reduction of granulomas number and size . So, this work is concerned with experimental assessment of the efficacy of different Schistosoma mansoni antigens (SEA, SWAP and combined SEA and SWAP) on murine liver after challenge by Schistosoma infection, histopathological, histochemical and molecular investigations were performed on sixty male laboratory bred Swiss Albino mice...
March 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
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