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https://www.readbyqxmd.com/read/29443763/epibulbar-complex-cartilaginous-choristoma-a-distinctive-clinicopathological-case-series-and-literature-review
#1
Zongduan Zhang, Zhengwei Yang, Qintuo Pan, Xiaoyi Qin, Yuxuan Deng, Yuehong Cao
To newly describe the clinical and histopathological characteristics of epibulbar complex cartilaginous choristoma incidentally observed in a series of pterygium excision patients.Noncomparative case series with chart review of 8 patients.During a 4-year period, we identified 8 cases of conventional unilateral nasal subpterygial cartilaginous choristoma in 1799 pterygium patients and analyzed their clinicopathological features. The incidence rate of this entity is 0.44% in pterygium patients. All of the cartilaginous choristomas were buried deep in the caruncle, covered by the pterygium, and embedded in tenon facia tissue...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29442085/an-insight-into-diagnosis-of-a-hidden-entity-impacted-food-material
#2
Humeera M Mulla, Nupura Vibhute, Rajendra Baad, N D Shashikiran, Mustaq Parker, R C Parmod, Uzma Belgaumi, Vidya Kadashetti, Sushma Bommanawar
Introduction: Foreign bodies and tissue reactions to foreign materials are commonly encountered in the oral cavity. Exogenous materials causing foreign body reactions may be metallic (amalgam) or nonmetallic (suture materials, vegetable matter). Implantation of food particles in the oral tissues has been known to cause reactive lesions such as oral pulse granuloma. Implantation could be through extraction sockets, deep periodontal pockets, associated with tumor growth, interdental areas of teeth, unfilled root canals, and grossly decayed teeth...
January 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29438883/gradient-nano-engineered-in-situ-forming-composite-hydrogel-for-osteochondral-regeneration
#3
Janani Radhakrishnan, Amrutha Manigandan, Prabu Chinnaswamy, Anuradha Subramanian, Swaminathan Sethuraman
Fabrication of anisotropic osteochondral-mimetic scaffold with mineralized subchondral zone and gradient interface remains challenging. We have developed an injectable semi-interpenetrating network hydrogel construct with chondroitin sulfate nanoparticles (ChS-NPs) and nanohydroxyapatite (nHA) (∼30-90 nm) in chondral and subchondral hydrogel zones respectively. Mineralized subchondral hydrogel exhibited significantly higher osteoblast proliferation and alkaline phosphatase activity (p < 0.05). Osteochondral hydrogel exhibited interconnected porous structure and spatial variation with gradient interface of nHA and ChS-NPs...
February 3, 2018: Biomaterials
https://www.readbyqxmd.com/read/29437549/hepatic-and-renal-histology-and-mercury-concentrations-of-north-west-and-north-east-greenland-narwhals-monodon-monoceros
#4
Christian Sonne, Pall S Leifsson, Jens Søndergaard, Rune Dietz
Narwhals (Monodon monoceros) are at the top of the Arctic food web and therefore might biomagnify high total mercury (Hg) concentrations in organs and tissues. The aim of this study was to determine histopathology and Hg concentrations in liver and kidneys from 15 North East Greenland narwhals (3 subadult females, 8 adult females, 3 subadult males, and 1 adult male) and compare data with previous observations of 12 North West Greenland specimens (1 subadult female, 4 adult females, 1 subadult male, and 6 adult males)...
February 13, 2018: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29434341/hyalinizing-clear-cell-carcinoma-of-the-bronchial-glands-presentation-of-three-cases-and-pathological-comparisons-with-salivary-gland-counterparts-and-bronchial-mucoepidermoid-carcinomas
#5
Manabu Takamatsu, Yukiko Sato, Mariko Muto, Hiroko Nagano, Hironori Ninomiya, Rie Sakakibara, Satoko Baba, Seiji Sakata, Kengo Takeuchi, Sakae Okumura, Yuichi Ishikawa
Hyalinizing clear cell carcinoma of the bronchial glands is a very rare tumor. Since only five reports describing six tumors have been published to date, only a little is known about specific histologic findings and clinical features. Because of its rarity, hyalinizing clear cell carcinoma has not been described in the latest WHO classification of pulmonary tumors yet. Here we present three cases of bronchial hyalinizing clear cell carcinomas, confirmed by both fluorescence in situ hybridization (FISH) and RT-PCR, focusing on histologic and immunohistochemical characteristics in a comparison with three cases of salivary gland origin...
February 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29430526/a-case-of-neuronal-intranuclear-inclusion-disease-associated-with-lupus-nephritis-like-nephropathy
#6
Taro Horino, Tatsuki Matsumoto, Kosuke Inoue, Osamu Ichii, Yoshio Terada
Neuronal intranuclear inclusion disease (NIID) is a relatively new entity identified as a progressive neurodegenerative disease characterised by eosinophilic hyaline intranuclear inclusions widely observed in neuronal and somatic cells. Renal biopsy from one of our patients with NIID showed lupus nephritis-like pathology. He was treated with steroids and angiotensin-converting enzyme inhibitors and his proteinuria improved. The present case highlights that immune-mediated glomerulonephritis can be a presenting feature of NIID, which can be controlled with proper treatment...
March 2018: ENeurologicalSci
https://www.readbyqxmd.com/read/29430397/multicompartmental-osteochondral-allografts-of-knee-and-concomitant-high-tibial-osteotomy
#7
Jonathan A Godin, Zaamin B Hussain, Anthony Sanchez, George Sanchez, Márcio B Ferrari, Mark E Cinque, Nicholas I Kennedy, Matthew T Provencher
Chondral lesions of the knee can occur secondary to limb malalignment. To address these interrelated problems, a high tibial osteotomy with concomitant osteochondral allograft transfer may be performed. It is important to address these chondral lesions as they often affect the young and active population and cause morbidity in an otherwise healthy population. Although numerous approaches for the treatment of chondral lesions have been described, long-term results demonstrating regeneration of hyaline cartilage have yet to be reported...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29421350/long-term-evaluation-of-osteoarthritis-sheep-knee-treated-with-tgf-%C3%AE-3-and-bmp-6-induced-multipotent-stem-cells
#8
C C Ude, B S Shamsul, M H Ng, H C Chen, Htwe Ohnmar, S N Amaramalar, A R Rizal, A Johan, M Y Norhamdan, M Azizi, B S Aminuddin, B H I Ruszymah
BACKGROUND: Hyaline articular cartilage, which protects the bones of diarthrodial joints from forces associated with load bearing, frictions, and impacts has very limited capacities for self-repair. Over the years, the trend of treatments has shifted to regenerations and researchers have been on the quest for a lasting regeneration. We evaluated the treatment of osteoarthritis by chondrogenically induced ADSCs and BMSCs for a long time functional recovery. METHODS: Osteoarthritis was induced at the right knee of sheep by complete resection of ACL and medial meniscus...
January 29, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29415978/hyaline-vascular-castleman-s-disease-representing-18-trisomy
#9
Masaru Kojima, Seiichi Shimizu
No abstract text is available yet for this article.
February 8, 2018: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/29413225/microdissection-testicular-sperm-extraction-micro-tese-predictive-value-of-preoperative-hormonal-levels-and-pathology-in-non-obstructive-azoospermia
#10
Alper Eken, Feray Gulec
The aim of this study was to evaluate the predictive value of preoperative hormonal levels and pathology, as well as the outcome of microsurgical testicular sperm extraction in patients with non-obstructive azoospermia (NOA), presenting to our clinic for treatment of infertility. The records of 145 men with NOA who underwent microdissection testicular sperm extraction (micro-TESE) between March 2013 and November 2016 were studied. The patient's age, testicular volume, hormonal profile for follicle-stimulating hormone (FSH), luteinizing hormone (LH), and testosterone (TT), and testicular pathology were recorded...
February 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29411910/paratesticular-seminoma-echographic-features-and-histological-diagnosis-with-review-of-the-literature
#11
Andrea Palicelli, Pierluigi Neri, Giansilvio Marchioro, Paolo De Angelis, Gianmarco Bondonno, Antonio Ramponi
Primary extratesticular seminomas exceptionally occur in the epididymis or in the paratesticular region/spermatic cord. Some old papers included poor histological description or insufficient photographic documentation, reducing the number of faithful cases: an up-to-date systematic review is lacking. We report the 4th primary seminoma of the paratesticular region/spermatic cord in a 35-year-old man, including the first echographic description. We provide review of the literature and etiopathogenetic discussion...
February 7, 2018: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29405336/ruthenium-counterstaining-for-imaging-mass-cytometry
#12
Raúl Catena, Luis M Montuenga, Bernd Bodenmiller
Imaging mass cytometry is a novel imaging modality that enables simultaneous antibody-based detection of more than 40 epitopes and molecules in tissue sections at subcellular resolution using isotopically pure metal tags. Essential for any imaging approach where antigen detection is performed is the so-called counterstaining that reveals the overall structure of the tissue. Counterstaining is necessary since antigens of interest are often present only in a small subset of cells while the rest of tissue structures are not visible...
February 5, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29404934/biochemical-and-pathologic-factors-affecting-technetium-99m-methoxyisobutylisonitrile-imaging-results-in-patients-with-primary-hyperparathyroidism
#13
Aysenur Ozderya, Sule Temizkan, Aylin Ege Gul, Sule Ozugur, Kenan Cetin, Kadriye Aydin
OBJECTIVE: Technetium 99 m methoxyisobutylisonitrile (Tc-99m MIBI) scintigraphy represents the most commonly utilized imaging modality for the detection of the diseased gland in patients with primary hyperparathyroidism (PHPT). In this study, we aimed to identify potential biological factors with an impact on MIBI sensitivity. METHODS: A total of 147 patients with surgically confirmed parathyroid adenomas were assessed retrospectively. Data including medical history, biochemical and hormonal measurements, cervical US, Tc-99m MIBI scans as well as pathology reports were retrieved and recorded...
February 5, 2018: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/29403325/tafro-syndrome-current-perspectives
#14
REVIEW
Kentaro Sakashita, Kengo Murata, Mikio Takamori
Multicentric Castleman's disease (MCD), a distinct subtype of Castleman's disease, is a rare, nonneoplastic, lymphoproliferative disorder. Patients with MCD present with systemic symptoms and multiple lymphadenopathy. Lymph node biopsy is necessary for the diagnosis of various histological MCD patterns including hyaline vascular, plasma cell, and mixed types. Human herpesvirus 8 (HHV8) infection was identified as an important etiology of MCD among immunocompromised patients such as those positive for human immunodeficiency virus...
2018: Journal of Blood Medicine
https://www.readbyqxmd.com/read/29396963/cartilage-restoration-microfracture-and-osteochondral-autograft-transplantation
#15
Michael L Redondo, Adam J Beer, Adam B Yanke
The treatment of patellofemoral cartilage defects presents several distinct challenges when compared with cartilage restoration techniques used for other compartments of the knee due to the unique anatomy and distribution of forces. The etiologies of patellofemoral articular cartilage lesions include acute traumatic instability injuries, such as dislocation and subluxation, osteochondritis dissecans, and chronic degenerative changes. Regardless of the etiology, untreated patellofemoral cartilage lesions can contribute to activity-limiting anterior knee pain...
February 2, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29394794/-a-resected-case-of-castleman-s-disease-that-was-difficult-to-diagnose-preoperatively
#16
Kenji Sakai, Marie Toudou, Yuuhi Shimura, Reyugo Teranishi, Shouhei Takaichi, Chihyon Son, Tomofumi Ohhashi, Hideki Osawa, Hiroshi Noro, Keigo Yasumasa, Takafumi Hirao, Teruo Iwasaki, Yoshikazu Morimoto, Nobutaka Hatanaka, Yoshio Yamasaki
A 70-year-old man was referred to our hospital and admitted after abdominal computed tomography(CT)examination revealed a tumor in the retroperitoneum. The specific blood test findings were poor, and surveillance CT demonstrated a wellcircumscribed, enhanced mass measuring 40mm with calcification behind the horizontal portion of the duodenum. The tumor presented with a slightly high signal in low signal, T2 in T1, and it showed a diffusion decrease in DWI; the simple abdominal MRIrevealed heterogeneous accumulation of SUVmax 3...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29392614/treatment-modalities-and-outcomes-of-pleomorphic-hyalinizing-angiectatic-tumor-a-systematic-review-of-the-literature
#17
REVIEW
A J Rush, P D Patel, S Shemesh, T K Subhawong, J Pretell-Mazzini
A systematic review of the cases documented in the literature regarding Pleomorphic hyalinizing angiectatic tumor of soft parts (PHAT) was performed in order to identify (1) location on presentation (2) surgical treatment modality (3) recurrence rate (4) any associations between location, age, histology, surgery type on recurrence. A systematic review of medical literature listed on PubMed was conducted identifying any prior case report and/or case series of diagnosed PHAT, with no exclusion based on language or time...
February 1, 2018: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/29392060/three-cases-of-relapsing-polycondritis-with-isolated-laryngotracheal-stenosis
#18
Hamdi Taşlı, Hakan Birkent, Mustafa Gerek
Relapsing polychondritis (RP) is a rare autoimmune and inflammatory disease, particularly characterized by recurrent inflammation of the hyaline cartilage. Laryngotracheal involvement in RP is the most serious complication that is observed in 50% of the patients and may lead to a life-threatening condition. The most common cause of death is laryngotracheal stenosis associated with lung infections or severe respiratory insufficiency that may be observed in 10%-50% of the patients. In this study, three RP patients comprising a child with isolated laryngotracheal stenosis have been presented...
June 2017: Turkish Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/29391278/human-umbilical-cord-wharton-s-jelly-mesenchymal-stem-cells-combined-with-an-acellular-cartilage-extracellular-matrix-scaffold-improve-cartilage-repair-compared-with-microfracture-in-a-caprine-model
#19
Yu Zhang, Shuyun Liu, Weimin Guo, Mingjie Wang, Chunxiang Hao, Shuang Gao, Xueliang Zhang, Xu Li, Mingxue Chen, Xiaoguang Jing, Zehao Wang, Jiang Peng, Shibi Lu, Quanyi Guo
OBJECTIVE: As a novel and promising seed cell, human umbilical cord Wharton's jelly mesenchymal stem cells(hWJMSCs) are widely applied in tissue engineering. However, whether hWJMSCs can better repair and regenerate the articular cartilage in big animals than microfracture(MF, a predominant clinical treatment strategy for damaged cartilage) is unclear. Evaluation of the validity, and safety of hWJMSCs in a caprine model with a full-thickness femoral condyle articular cartilage defect, compared with MF is required...
January 29, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29388718/neonatal-respiratory-distress-syndrome-and-underlying-mechanisms-in-cloned-cattle
#20
Yifan Rao, Xiuzhu Sun, Na Yang, Fanyi Zhang, Xiaojing Jiang, Linhua Huang, Xiaogai Guo, Weihua Du, Haisheng Hao, Xueming Zhao, Qiuling Jiang, Yan Liu
Neonatal respiratory distress is a major mortality factor in cloned animals, but the pathogenesis of this disease is rarely investigated. In this study, four neonatal cloned cattle, born after full-term gestation, exhibited symptoms of neonatal respiratory distress syndrome (NRDS), which included symptoms of hyaline membrane disease as well as disordered surfactant homeostasis in their collapsed lungs. No differences in DNA methylation or histone modifications correlated with the suppressed SPB and SPC transcription observed in the cloned cattle group (P > 0...
February 1, 2018: Molecular Reproduction and Development
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