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https://www.readbyqxmd.com/read/28814981/cpg-location-and-methylation-level-are-crucial-factors-for-the-early-detection-of-oral-squamous-cell-carcinoma-in-brushing-samples-using-bisulfite-sequencing-of-a-13-gene-panel
#1
Luca Morandi, Davide Gissi, Achille Tarsitano, Sofia Asioli, Andrea Gabusi, Claudio Marchetti, Lucio Montebugnoli, Maria Pia Foschini
BACKGROUND: Oral squamous cell carcinoma (OSCC) is usually diagnosed at an advanced stage and is commonly preceded by oral premalignant lesions. The mortality rates have remained unchanged (50% within 5 years after diagnosis), and it is related to tobacco smoking and alcohol intake. Novel molecular markers for early diagnosis are urgently needed. The purpose of this study was to evaluate the diagnostic value of methylation level in a set of 18 genes by bisulfite next-generation sequencing...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28808739/an-intracortical-chondromyxoid-fibroma-in-the-diaphysis-of-the-metatarsal
#2
Ji Sung Han, Euddeum Shim, Baek Hyun Kim, Jung-Woo Choi
Chondromyxoid fibromas (CMFs) are rare, benign, primary tumors of bones, and occur in the metaphyses of the medullary canals of the long bones. The occurrence of intracortical CMFs is extremely rare. Very few cases of intracortical CMFs located in the long tubular bones have been reported to date. Moreover, even though the feet are the second most common site for CMF (after the knees), intracortical metatarsal CMF has not been reported previously, to our knowledge. We report an intracortical CMF occurring in the diaphysis of the metatarsal in a 17-year-old man...
August 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28808627/non-ossifying-fibromas-case-series-including-in-uncommon-upper-extremity-sites
#3
Akio Sakamoto, Ryuzo Arai, Takeshi Okamoto, Shuichi Matsuda
AIM: To investigate non-ossifying fibromas (NOFs) common fibrous bone lesions in children that occur in bones of the lower extremities. METHODS: We analyzed 44 cases of NOF including 47 lesions, which were referred with a working diagnosis of neoplastic lesions. Lesions were located in the upper extremities (1 proximal humerus, 1 distal radius) and the lower extremities (25 distal femurs, 12 proximal and 4 distal tibias, and 4 proximal fibulas). RESULTS: Three cases had NOFs in multiple anatomical locations (femur and fibula in 1 case, femur and tibia in 2 cases)...
July 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28797509/bone-related-lesions-of-the-jaws
#4
REVIEW
Daniel Baumhoer
The jaws combine several unique properties that mainly result from their distinct embryonic development and their role in providing anchorage for the teeth and their supporting structures. As a consequence, several bone-related lesions almost exclusively develop in the jaws (eg, osseous dysplasias, ossifying fibromas), have distinct clinical features (eg, osteosarcoma), or hardly ever occur at this location (eg, osteochondroma, enchondroma). The specific characteristics of these tumors and tumorlike lesions are outlined in this article...
September 2017: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/28794344/papillary-thyroid-carcinoma-with-desmoid-type-fibromatosis-a-clinical-pathological-and-immunohistochemical-study-of-14-cases
#5
Nami Takada, Mitsuyoshi Hirokawa, Masahiro Ito, Aki Ito, Ayana Suzuki, Miyoko Higuchi, Seiji Kuma, Toshitetsu Hayashi, Masao Kishikawa, Shuichi Horikawa, Akira Miyauchi
Papillary thyroid carcinoma (PTC) with desmoid-type fibromatosis (DTF) is characterized by genetic alterations of the fibroblasts. However, PTC-DTF is extremely rare, and the reports on such cases have been sporadic. Immunohistochemical staining using the antibody for beta-catenin is useful in diagnosing the variant. This report aims to describe the clinical, pathological, and immunohistochemical findings in 14 cases of PTC-DTF and to clarify the diagnostic significance of the variant. The patients included 9 women and 5 men, with a mean age of 49...
August 10, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28791852/cardiac-tumors-in-children-a-20-year-review-of-clinical-presentation-diagnostics-and-treatment
#6
Joanna Kwiatkowska, Anna Wałdoch, Jarosław Meyer-Szary, Piotr Potaż, Marek Grzybiak
BACKGROUND: The use of new imaging techniques has contributed significantly to earlier diagnosis and treatment of cardiac tumors. OBJECTIVES: The aim of the study was to analyze data from children with cardiac tumors in terms of clinical presentation, the role of noninvasive diagnostic procedures and the long-term outcome. MATERIAL AND METHODS: The data analyzed retrospectively concerned 30 children in whom cardiac tumors were diagnosed from January 1995 to July 2015...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28776760/ameloblastic-fibroma-and-ameloblastic-fibrosarcoma-a-systematic-review
#7
REVIEW
Bruno Ramos Chrcanovic, Peter A Brennan, Siavash Rahimi, Ricardo Santiago Gomez
PURPOSE: To integrate the available data published to date on ameloblastic fibromas (AF) and ameloblastic fibrosarcomas (AFS) into a comprehensive analysis of their clinical/radiologic features. METHODS: An electronic search was undertaken in July/2017. Eligibility criteria included publications having enough clinical, radiological and histological information to confirm a definite diagnosis. RESULTS: 244 publications (279 central AF tumours, 10 peripheral AF, 103 AFS) were included...
August 4, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28770898/sex-cord-stromal-tumours-of-the-ovary-experience-at-shifa-international-hospital-islamabad
#8
Asim Qureshi, Masroor Hassan, Nadira Mamoon, Zafar Ali, Imran Nazir Ahmed
This descriptive study was carried out at Pathology Department, Shifa International Hospital from 2007 to 2016; all sex cord stromal tumours diagnosed during this time period were included. Epithelial, germ cell and metastatic tumours were excluded from the study. A total of 1254 Ovarian tumours were brought to Shifa of which47 (4%) were labeled as sex cord stromal tumours. Of these 36( 76 %)were granulosa cell tumour (adult33, juvenile3), 7 were labeled as sertoli leydig cell tumours (15%), 3 as thecoma/ fibroma group (7%)and only one case was labeled as microcystic stromal tumour of the ovary (2%)...
July 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28765185/a-delayed-presentation-of-ameloblastic-fibrosarcoma-in-an-african-patient
#9
Nkhensani Yvonne Chauke, Chrysis Sofianos, Dimitri Liakos, Elias Ndobe
A 24-year-old womanpresented with ameloblastic fibrosarcoma arising from ameloblastic fibroma. The delayed presentation accounted for the extensive destruction of the mandible and complete occlusion of her oral cavity. This resulted in an inability to eat and maintain oral hygiene. A multidisciplinary team management approach involved nutritional optimisation, segmental mandibulectomy, reconstruction with a reconstructive plate and a free anterolateral thigh flap to line the the floor of mouth. Functional and aesthetic outcome was acceptable, and the patient is planned for secondary free fibular flap bony reconstruction...
August 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28764179/bilateral-giant-juvenile-fibroadenoma-of-breast
#10
Nikhil Makkar, Sumitoj Singh, Surinder Paul, Mandeep Singh Sandhu, Ashok Kumar
Fibroadenomas are benign lesions of breast commonly found in young age group. These focal tumours contain both mesenchymal and glandular tissue. Giant juvenile fibroma of breast is rare variant of fibroadenoma found usually in less than 20 years of age. They present with rapid enlargement of single or multiple, discrete, painless large nodule of breast. A 14-years-old premenarche girl presented with large bilateral breast lumps for two months. FNAC showed features of juvenile fibroadenoma. Breast conserving surgical excision of lumps was performed and histopathology confirmed the diagnosis of juvenile fibroadenoma...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28750558/case-report-diagnosis-of-a-rare-plaque-like-dermal-fibroma-successfully-treated-with-mohs-surgery
#11
Pavandeep Gill, John Arlette, Carolyn J Shiau, Marie S Abi Daoud
BACKGROUND: CD34-positive plaque-like dermal fibroma (PDF) is a poorly characterised benign dermal neoplasm that has a wide differential diagnosis. It can be mistaken for other entities on superficial biopsy and be overtreated, leading to unnecessary worry and extensive surgery. OBJECTIVE: To report on an uncommon presentation of this entity, the histopathologic differential diagnosis of PDF, and a novel treatment method. METHODS: Clinical and histopathological information was obtained for a PDF lesion on a 75-year-old man...
July 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28743666/biological-significance-of-5-hydroxymethylcytosine-in-oral-epithelial-dysplasia-and-oral-squamous-cell-carcinoma
#12
Maria Carolina Cuevas-Nunez, Camilla Borges F Gomes, Sook-Bin Woo, Matthew R Ramsey, Xiaoxin L Chen, Shuyun Xu, Ting Xu, Qian Zhan, George F Murphy, Christine G Lian
OBJECTIVES: The aim of this study was to determine the levels of 5-hydroxylmethylcytosine (5-hmC) in oral epithelial dysplasia (OED) and oral squamous cell carcinoma (OSCC) compared with those in benign, reactive inflammatory lesions and to explore whether DNA hydroxymethylation may serve as a novel biomarker for early diagnosis and prognosis of OSCC. STUDY DESIGN: The study included normal mucosa from uninvolved margins of 9 fibromas, 10 oral lichen planus, 15 OED, and 23 OSCC...
June 16, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28741231/large-cell-transformation-of-oral-mycosis-fungoides
#13
Ahmed S Sultan, Behzad Mostoufi, John C Papadimitriou, Rima Koka, John Basile, Rania H Younis
Mycosis fungoides (MF) accounts for approximately 50% of all primary cutaneous lymphomas. MF occurrence in the oral cavity is extremely rare with approximately 45 cases reported to date. We present a case of a 68 year-old man with a raised nodular lesion of the ventral tongue with clinical impression of irritational fibroma. Histopathologic and immunohistochemical (IHC) examination revealed a phenotype consistent with MF with large cell transformation in the context of Sezary syndrome. The histological diagnosis of oral MF requires a high index of suspicion and IHC panel to rule out large cell transformation...
July 24, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28740329/940-nm-diode-laser-assisted-excision-of-peripheral-ossifying-fibroma-in-a-neonate
#14
Nitesh Tewari, Vijay Prakash Mathur, Asit Mridha, Kalpana Bansal, Divesh Sardana
BACKGROUND: Peripheral ossifying fibroma associated with neonatal tooth extraction is a rare, benign reactive lesion, but its nature and location often scares the patient & parents for possibility of neoplasm. A high recurrence rate makes its histopathological examination and long term follow up important. CASE REPORT: A 2 months old boy presented with enlarging soft tissue growth on the anterior mandibular ridge. The history revealed extraction of two neonatal teeth at 2 weeks of age...
March 31, 2017: Laser Therapy
https://www.readbyqxmd.com/read/28737157/oral-neoplasms-in-pickhandle-barracuda-sphyraena-jello-from-india
#15
V Singaravel, A Gopalakrishnan, K Raja, R Vijayakumar, S Asrafuzzaman
We report the spontaneous occurrence of oral neoplasms in pickhandle barracuda Sphyraena jello Cuvier, 1829 from Parangipettai, on the southeast coast of India. A total of 11736 fish were examined, of which 43 were affected with oral tumours, with an overall prevalence of 0.37%. Gross and clinical symptoms included reddish to grayish-white distended tumourous growths on the gingiva, intra-oral bones and tongue. The tumours exhibited delayed eruption and intra- or extra-oral swelling, varied in consistency from extremely firm to fleshy and released mucinous material...
July 24, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28731366/chondromyxoid-fibroma-of-the-distal-fibula-treated-by-percutaneous-radiofrequency-ablation
#16
Tamar Berenstein-Weyel, Ehud Lebel, Daniela Katz, Yaakov Applbaum, Amos Peyser
BACKGROUND: Percutaneous radiofrequency ablation (RFA) has been shown to be an effective treatment for soft tissue lesions and also benign bone tumors, especially osteoid osteoma. There are limited data regarding this technique in other bone tumors, specifically larger and more aggressive ones. PURPOSES: To describe the use of RFA as a definitive treatment and an alternative to traditional open surgery for the treatment of chondromyxoid fibroma (CMF), a benign but locally aggressive bone tumor...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28721660/clinicopathologic-and-molecular-characteristics-of-familial-cherubism-with-associated-odontogenic-tumorous-proliferations
#17
Prokopios P Argyris, Rajaram Gopalakrishnan, Ying Hu, Ernst J Reichenberger, Ioannis G Koutlas
Cherubism is a rare autosomal dominant condition affecting the jaws and caused by mutations in the gene encoding for the adapter protein SH3BP2 that maps to chromosome 4p16.3. Cherubism is characterized by symmetrically developing bone lesions in the maxilla and mandible. The lesions have been radiographically and histopathologically well-described. Here, we present a family with cherubism with two of its members featuring odontogenic tumorous proliferations in association with persistent central giant cell lesions (CGCL)...
July 18, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28721317/ameloblastic-fibrodentinoma-a-case-with-varied-patterns-of-dysplastic-dentin
#18
Radhika M Bavle, Sudhakara Muniswammappa, Reshma Venugopal, Amulya S R
Ameloblastic fibrodentinoma is a benign odontogenic tumor belonging to the category of "odontogenic epithelium with odontogenic ectomesenchyme" along with recognition of induction in the form of dentin in atypical or dysplastic forms. The biological behaviour of ameloblastic fibrodentinoma is not very different from ameloblastic fibroma; hence, it is treated similarly by conservative procedures. It is important to understand the histopathogenesis of these rare tumors. Though rare, they are an independent entity awaiting recognition...
June 14, 2017: Curēus
https://www.readbyqxmd.com/read/28700438/foxl2-mutation-analysis-of-ovarian-sex-cord-stromal-tumors-genotype-phenotype-correlation-with-diagnostic-considerations
#19
Natalia Buza, Serena Wong, Pei Hui
Correlation of FOXL2 mutation status with morphologic features and reticulin staining patterns was performed in a comprehensive single-institutional cohort of ovarian sex cord-stromal tumors. Fifty-one cases were included, 35 of which were morphologically diagnosed as adult granulosa cell tumor, 4 as Sertoli-Leydig cell tumor, 11 as fibroma/fibrothecoma and 1 as a thecoma. Of the adult granulosa cell tumors, 31 (88.6%) harbored FOXL2 mutation. Abundant pale cytoplasm was seen in 51.6% (16/31) of FOXL2 mutated tumors, compared with 6...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28695430/birt-hogg-dub%C3%A3-syndrome-a-review-of-dermatological-manifestations-and-other-symptoms
#20
REVIEW
Yun Tong, Jeremy A Schneider, Alvin B Coda, Tissa R Hata, Philip R Cohen
Birt-Hogg-Dubé syndrome (BHD) is an autosomal dominant genodermatosis with malignant potential characterized by cutaneous and extracutaneous stigmata. Aberrations in the folliculin (FLCN) gene, which is located on chromosome 17, have been discovered in individuals with this condition. Over 150 unique mutations have been identified in BHD. The skin lesions associated with this condition include fibrofolliculomas, trichodiscomas, perifollicular fibromas, and acrochordons. Extracutaneous features of the syndrome typically include the lung (spontaneous pneumothorax and cysts) and the kidney (neoplasms)...
July 10, 2017: American Journal of Clinical Dermatology
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