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https://www.readbyqxmd.com/read/28934421/a-zebrafish-model-of-mycobacterium-leprae-granulomatous-infection
#1
Cressida A Madigan, James Cameron, Lalita Ramakrishnan
Understanding the pathogenesis of leprosy granulomas has been hindered by a paucity of tractable experimental animal models. Mycobacterium leprae, which causes leprosy, grows optimally at approximately 30°C, so we sought to model granulomatous disease in the ectothermic zebrafish. We found that noncaseating granulomas develop rapidly and eventually eradicate infection. rag1 mutant zebrafish, which lack lymphocytes, also form noncaseating granulomas with similar kinetics, but these control infection more slowly...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28932983/prevention-and-management-of-vascular-complications-in-middle-ear-and-cochlear-implant-surgery
#2
Filippo Di Lella, Maurizio Falcioni, Silvia Piccinini, Ilaria Iaccarino, Andrea Bacciu, Enrico Pasanisi, Davide Cerasti, Vincenzo Vincenti
The objective of this study is to illustrate prevention strategies and management of vascular complications from the jugular bulb (JB) and internal carotid artery (ICA) during middle ear surgery or cochlear implantation. The study design is retrospective case series. The setting is tertiary referral university hospital. Patients were included if presented pre- or intraoperative evidence of high-risk anatomical anomalies of ICA or JB during middle ear or cochlear implant surgery, intraoperative vascular injury, or revision surgery after the previous iatrogenic vascular lesions...
September 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28932591/a-case-of-tuberculosis-reactivation-suspected-of-cancer-progression-during-oral-tyrosine-kinase-inhibitor-treatment-in-a-patient-diagnosed-as-non-small-cell-lung-cancer
#3
Hwa Young Lee, Jin Woo Kim, Chang Dong Yeo
We report a first case of a patient experiencing reactivation of pulmonary tuberculosis (TB) during treatment of oral tyrosine kinase inhibitor (TKI) with non-small cell lung cancer (NSCLC). A 44-year-old male patient visited the hospital with cough. He had been treated with erlotinib (oral TKI) for 8 months after being diagnosed as NSCLC with sensitive epidermal growth factor receptor mutation in our clinic. At initial chest imaging, the patient had fibroatelectatic calcified granuloma in the right upper lobe (RUL) apex as well as 1...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932028/cytological-spectrum-of-salivary-gland-lesions-and-their-correlation-with-epidemiological-parameters
#4
Vaneet Kaur Sandhu, Upender Sharma, Navtej Singh, Arun Puri
BACKGROUND: The role fine-needle aspiration (FNA) in the diagnosis of salivary gland lesions has evolved over the years. Although clinical and radiological parameters help to narrow the differential diagnosis the tissue diagnosis still remains the gold standard. MATERIALS AND METHODS: This study is from January 2013 to December 2015 in our Department of Pathology where 170 salivary gland lesions were aspirated. The aim of the present study was to analyze adequacy rate in relation to the size of lesion and to evaluate varied cytological spectrum of salivary gland lesions with emphasis on differential diagnosis and to correlate cytological diagnosis with age, gender and anatomical site...
May 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28929495/the-influence-of-immune-status-age-and-sex-on-majocchi-granuloma-a-review-of-52-cases-from-a-tertiary-level-hospital-and-published-korean-cases-in-literature
#5
Jungyoon Ohn, Gwanghyun Jo, Je-Ho Mun
BACKGROUND: Majocchi granuloma (MG) is a rare dermal and subcutaneous granulomatous inflammation caused by dermatophytes. The detailed characteristics of MG are not fully elucidated. This study investigated the influence of systemic immune status, age, and sex on the clinical, demographic, mycological, and therapeutic characteristics of MG in Korea. METHODS: We analyzed cases of histopathologically diagnosed MG at our tertiary referral center from January 2001 to December 2016...
September 20, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28928264/role-of-ultrasound-biomicroscopy-in-diagnosis-of-ocular-toxocariasis
#6
Qian Chen, Junxiang Gu, Rui Jiang, Min Zhou, Qing Chang
PURPOSE: To investigate ultrasound biomicroscopy (UBM) characteristics of patients with ocular toxocariasis (OT) and to explore the role of UBM in the diagnosis and differential diagnosis of OT. DESIGN: Cross-sectional study. METHODS: 78 eyes of 77 patients clinically consistent with OT and confirmed by serum and/or intraocular antibodies in a single tertiary centre (Fudan University Eye and ENT Hospital, Shanghai) between July 2009 and July 2016 were included in the study...
September 19, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28924417/an-erosive-lesion-in-the-orbital-apex-as-the-presenting-sign-of-sarcoidosis
#7
David Nasrazadani, Anjulie K Quick, William A White
Sarcoidosis is an autoimmune granulomatous disease that can affect any organ system in the body. Ocular and orbital manifestations are relatively common. Osseous involvement is rare and usually involves bones of the appendicular skeleton. We present an unusual case of an erosive sarcoid granuloma in a 48-year-old woman that involved the orbital apex. This case highlights diagnosis, treatment, and the importance of full systemic workup to determine the extent of the disease.
2017: Digital Journal of Ophthalmology: DJO
https://www.readbyqxmd.com/read/28923895/ready-experimental-translocation-of-mycobacterium-canettii-yields-pulmonary-tuberculosis
#8
Fériel Bouzid, Fabienne Brégeon, Hubert Lepidi, Helen D Donoghue, David E Minnikin, Michel Drancourt
Mycobacterium canettii, with smooth colony morphology, is the tuberculous organism retaining most genetic traits from the putative last common ancestor of the rough morphology Mycobacterium tuberculosis complex. To explore whether M. canettii can infect individuals by the oral route, mice were fed with phosphate buffered saline or 10(6)M. canettii and were sacrificed over a 28-day experiment. While no M. canettii was detected in negative controls, M. canettii-infected mice yielded granuloma-like lesions in 4/4 lungs at days 14 and 28 post-inoculation (p...
September 18, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28919347/invasive-mold-infections-of-the-central-nervous-system-in-patients-with-hematologic-cancer-or-stem-cell-transplantation-2000-2016-uncommon-with-improved-survival-but-still-deadly-often
#9
Minas P Economides, Leomar Y Ballester, Vinodh A Kumar, Ying Jiang, Jeffrey Tarrand, Victor Prieto, Harrys A Torres, Dimitrios P Kontoyiannis
BACKGROUND: Historically considered to have very poor outcome, there is paucity of recent data regarding invasive mold infections (IMIs) of the central nervous system (CNS) in patients with hematologic cancer (HC) or stem cell transplantation (SCT). METHODS: We reviewed the records of HC patients and/or SCT recipients who were diagnosed with CNS IMIs (EORTC/MSG criteria) at MD Anderson Cancer Center (1/1/2000-6/31/2016). Risk factors for survival at day (d) 42 post diagnosis were assessed...
September 14, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28918161/clinical-and-pathological-significance-of-cutaneous-manifestations-in-anca-associated-vasculitides
#10
REVIEW
Laure Frumholtz, Sara Laurent-Roussel, Olivier Aumaître, François Maurier, Guillaume Le Guenno, Agnes Carlotti, Alexiane Dallot, Jean Louis Kemeny, Laurent Antunes, Nicolas Froment, Sylvie Fraitag, Jonathan London, Alice Berezne, Benoît Terris, Claire Le Jeunne, Luc Mouthon, Selim Aractingi, Loïc Guillevin, Nicolas Dupin, Benjamin Terrier
OBJECTIVES: Cutaneous manifestations (CM) in ANCA-associated vasculitides (AAV) are frequent, but data on clinical significance and clinical-pathological correlations are lacking. METHODS: We conducted a multicenter, retrospective study including 1553 AAV patients. Clinical, biological and pathological features have been analyzed, and tissue samples from 46 biopsies were reviewed in a blind manner. RESULTS: CM were more frequent in EGPA (53...
September 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28914333/-acute-skin-infections-and-their-imitators-in-children-a-photo-quiz
#11
REVIEW
M Theiler, A Schwieger-Briel, L Weibel
BACKGROUND: Skin infections account for 40% of emergency visits in pediatric dermatology. It is important to promptly recognize skin infections with potential complications and initiate treatment. However some characteristic skin findings may imitate skin infections and are often misdiagnosed. OBJECTIVES: To illustrate frequent pediatric skin infections and pitfalls in view of imitators and differential diagnoses. MATERIALS AND METHODS: A photo quiz is presented with the discussion of a selection of acute pediatric skin infections in comparison to their infectious or noninfectious differential diagnoses...
September 15, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28913302/eccrine-poroma-of-the-postauricular-area
#12
Hyun Rok Lee, Gyu Yong Jung, Hea Kyeong Shin, Dong Lark Lee, Jong Im Lee, Jung Hwan Kim
Eccrine poroma is a common benign cutaneous tumor that originates in an intraepidermal eccrine duct. This tumor exhibits acral distribution (sole, palm), and is rarely encountered in the head and neck area. In fact eccrine poroma in the postauricular area has only been rarely reported. A 55-year-old female visited our hospital with a main complaint of a mass that first developed in the left postauricular area about a year previously. The mass was painless, soft, protruding, domed, and dark red in color, and had slowly enlarged (at presentation it measured 1×1 cm)...
March 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28913297/pyogenic-granuloma-a-retrospective-analysis-of-cases-treated-over-a-10-year
#13
Mun Geun Koo, Soo Hyang Lee, So Eun Han
BACKGROUND: Pyogenic granuloma (PG) is a benign vascular lesion of the mucosa and skin. Recent studies of the epidemiology of PG are rare. We aimed to retrospectively analyze characteristics of PG cases in South Korea. METHODS: We reviewed the medical records of 155 patients treated for PG between March 2005 and May 2014. The male-to-female ratio was 1:1.2 (70 males, 85 females). The mean age of patients was 35.3 years. RESULTS: A high occurrence was observed in the first and third decades in males, and the fourth to fifth decades in females...
March 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912762/comparative-study-of-transcriptome-profiles-of-mouse-livers-and-skins-infected-by-fork-tailed-or-non-fork-tailed-schistosoma-japonicum
#14
Yan Yang, Jun-Jun He, Shuang Hu, Hua Chang, Xun Xiang, Jian-Fa Yang, Feng-Cai Zou
Schistosoma japonicum (S. japonicum) is a worldwide spread pathogen which penetrates host skin and then induces several diseases in infected host, such as fibrosis, formation of granulomas, hepatocirrhosis, and hepatomegaly. In present study, for the first time, transcriptomic profiles of mouse livers and skins infected by fork-tailed S. japonicum cercaria or non-fork-tailed S. japonicum cercaria were analyzed by using RNA-seq. The present findings demonstrated that transcriptomic landscapes of livers and skins infected by fork-tailed S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28912714/anti-inflammatory-and-analgesic-effects-of-polygonum-orientale-l-extracts
#15
Kai-Jun Gou, Rui Zeng, Yan Dong, Qi-Qi Hu, Huang-Wan-Yin Hu, Katherine G Maffucci, Qi-Ling Dou, Qing-Bo Yang, Xu-Hua Qin, Yan Qu
Background and Purpose:Polygonum orientale L. (family: Polygonaceae), named Hongcao in China, is a Traditional Chinese Medicinal and has long been used for rheumatic arthralgia and rheumatoid arthritis. However, no pharmacological and mechanism study to confirm these clinic effects have been published. In this investigation, the anti-inflammatory, analgesic effects and representative active ingredient compounds of P. orientale have been studied. Methods: Dried small pieces of the stems and leaves of P. orientale were decocted with water and partitioned successively to obtain ethyl acetate and ethyl ether extract of P...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28904823/a-novel-drainage-approach-in-patients-with-cholesterol-granuloma-from-petrous-apex-to-mastoid-air-cell
#16
Saeed Banaama, Robert Stokroos, Youssef Yakkioui, Jacobus van Overbeeke, Yasin Temel
BACKGROUND: Cholesterol granulomas (CG) of the petrous apex (CGPA) are benign lesions that have high recurrence rates after surgical intervention. We describe the use of a robust silicon drain between the petrous apex and mastoid air cells to allow constant aeration of the lesion for preventing recurrence. CASE DESCRIPTION: A retrospective analysis was performed using the data of four patients treated at the Maastricht University Medical Centre between 2014 and 2016...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28903846/ileocolonic-basidiobolomycosis-in-a-child-an-unusual-fungal-infection
#17
Anjum Saeed, Ahmed Alsarkhy, Mona Al Asmi, Mohammad El Mouzan, Yasin Hamid, Asaad Assiri
Systemic basidiobolomycosis is a rare fungal infection caused by Basidiobolus rararum (B. rararum). The clinical presentation is non-specific and is similar to many gastrointestinal conditions such as Crohn's disease (CD). The most consistent findings of basidiobolomycosis are recurrent abdominal pain, weight loss, fever and peripheral eosinophilia. Most of the patients are diagnosed on surgical resection of the involved region along with compatible histopathological findings like transmural inflammation, granulomas with eosinophilic infiltration (Splendore-Hoeppli phenomenon) and more specifically detection of fungal hyphae on fungal stains...
August 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28902908/histological-assessment-of-granulomas-in-natural-and-experimental-schistosoma-mansoni-infections-using-whole-slide-imaging
#18
Kátia B Amaral, Thiago P Silva, Felipe F Dias, Kássia K Malta, Florence M Rosa, Sócrates F Costa-Neto, Rosana Gentile, Rossana C N Melo
The pathology of schistosomiasis mansoni, a neglected tropical disease of great clinical and socioeconomic importance, results from the parasite eggs that become trapped in host tissues, particularly in the liver and intestines. Continuous antigenic stimulation from these eggs leads to recruitment of inflammatory cells to the sites of infection with formation of periovular granulomas. These complex structures have variable size and composition and are the most striking histopathological feature of schistosomiasis mansoni...
2017: PloS One
https://www.readbyqxmd.com/read/28902383/-bcgitis-with-involvement-of-lung-liver-and-bone-marrow%C3%A2-after-immunotherapy-of-urothelial-cancer
#19
Hilte Friederike Geerdes-Fenge, Franziska Stubbe, Micha Löbermann, Philipp Warnke, Andreas Erbersdobler, Emil Christian Reisinger
Medical history A 77-year-old patient with transurethral resection of a bladder tumor was transferred due to persistent fever and progressive dyspnea despite antibiotic therapy for suspected urinary tract infection. Repeating the medical history revealed that a BCG immunotherapy of his non-muscle-invasive bladder carcinoma was performed the day before fever developed. Therefore, BCGitis was suspected. Examinations Laboratory parameters showed pancytopenia, elevated liver enzymes, eleveated C-reactive protein and hypoxemia...
September 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28898881/performance-of-endobronchial-ultrasound-guided-transbronchial-needle-aspiration-for-the-diagnosis-of-isolated-mediastinal-and-hilar-lymphadenopathy
#20
Chung-Chun Tyan, Tiago Machuca, Kasia Czarnecka, Hyang Mi Ko, Gilda da Cunha Santos, Scott L Boerner, Andrew Pierre, Marcelo Cypel, Tom Waddell, Gail Darling, Marc de Perrot, Shaf Keshavjee, William Geddie, Kazuhiro Yasufuku
BACKGROUND: Although many studies have assessed the diagnostic utility of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) in the context of a specific disease, few studies have assessed the overall diagnostic yield, sensitivity, and negative predictive value in patients with isolated mediastinal and hilar lymphadenopathy (IMHL). OBJECTIVE: We evaluated the performance of EBUS-TBNA for diagnosing IMHL in a population with a high prevalence of concurrent or preexisting non-pulmonary malignancy...
September 13, 2017: Respiration; International Review of Thoracic Diseases
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