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Adenomatoid tumor

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https://www.readbyqxmd.com/read/28153137/glandular-neoplasia-of-the-sinonasal-tract
#1
REVIEW
Edward B Stelow
Glandular lesions that cannot be diagnosed readily as salivary gland tumors occur uncommonly in the upper aerodigestive tract. They occur only with some frequency within the sinonasal tract. Well-characterized lesions at this site include the respiratory epithelial adenomatoid hamartoma, seromucinous hamartoma, and intestinal and non-intestinal-type adenocarcinomas. This article reviews the clinicopathologic features of these fascinating lesions.
March 2017: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/28153133/odontogenic-cysts-and-neoplasms
#2
REVIEW
Elizabeth Ann Bilodeau, Bobby M Collins
This article reviews a myriad of common and uncommon odontogenic cysts and tumors. The clinical presentation, gross and microscopic features, differential diagnosis, prognosis, and diagnostic pitfalls are addressed for inflammatory cysts (periapical cyst, mandibular infected buccal cyst/paradental cyst), developmental cysts (dentigerous, lateral periodontal, glandular odontogenic, orthokeratinized odontogenic cyst), benign tumors (keratocystic odontogenic tumor, ameloblastoma, adenomatoid odontogenic tumor, calcifying epithelial odontogenic tumor, ameloblastic fibroma and fibroodontoma, odontoma, squamous odontogenic tumor, calcifying cystic odontogenic tumor, primordial odontogenic tumor, central odontogenic fibroma, and odontogenic myxomas), and malignant tumors (clear cell odontogenic carcinoma, ameloblastic carcinoma, ameloblastic fibrosarcoma)...
March 2017: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/28073203/testicular-sparing-surgery-in-small-testis-masses-a-multinstitutional-experience
#3
Andrea B Galosi, Paola Fulvi, Andrea Fabiani, Lucilla Servi, Alessandra Filosa, Luca Leone, Angelo Marronaro, Enrico Caraceni, Rodolfo Montironi
INTRODUCTION: The incidence of benign testicular tumors is increasing in particular in small lesion incidentally found at scrotal ultrasonography. Primary aim of this study was to perform radical surgery in malignant tumor. Secondary aim was to verify the efficacy of the diagnostic-therapeutic pathway recently adopted in management of small masses with testis sparing surgery in benign lesions. MATERIALS AND METHODS: In this multicenter study, we reviewed all patients with single testis lesion less than 15 mm at ultrasound as main diameter...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28058099/adenomatoid-tumor-of-the-adrenal-gland-in-young-woman-from-clinical-and-radiological-to-pathological-study
#4
Brankica Krstevska, Sasha Jovanovska Mishevska, Rubens Jovanovic
Adenomatoid tumors are neoplasms of mesothelial origin, usually occurring in the male and female genital tracts. Extragenital localization sites such as adrenal glands are rare but have been reported. When found in the adrenals, they represent great clinical, radiological and pathological diagnostic challenge, with wide range of differential diagnoses to be considered. We present a case of a 30 years old female, with incidental ultrasound finding of unilateral tumor in the right adrenal gland. Multi slices CT scan was of value in localizing this tumor, but not in the precise diagnosis...
November 17, 2016: Rare Tumors
https://www.readbyqxmd.com/read/28057157/-clinical-features-and-outcomes-of-congenital-adrenal-hyperplasia-with-adenomatoid-adrenal-gland
#5
Y L Gu, W J Gu, J T Dou, L Zang, J Du, G Q Yang, L J Yang, J M Ba, Z H Lü, Y M Mu, J M Lu
Objective: To analyze the clinical features and outcomes of congenital adrenal hyperplasia (CAH) with adenomatoid adrenal gland. Methods: Nineteen patients clinically confirmed as CAH with adenomatoid adrenal gland, from 2008 to 2015 in Deparment of Endocrinology of Chinese PLA General Hospital, were retrospectively analyzed, and the outcomes of the treatment were followed up. Results: Seventy-six patients were clinically confirmed as CAH, from 2008 to 2015 in PLA hospital. Nineteen of them have accompanied with adenomatoid adrenal gland...
December 27, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28003830/epididymal-adenomatoid-tumor-a-very-rare-paratesticular-tumor-of-childhood
#6
Ioannis Patoulias, Christos Kaselas, Dimitrios Patoulias, Constantine Theocharides, Maria Kalogirou, Konstantinos Farmakis, Thomas Feidantsis
Adenomatoid tumor is an uncommon benign mesothelial neoplasm, usually localized in the epididymis. It is the most common paratesticular tumor of middle-aged patients (average age of clinical presentation: 36 years). However, these tumors in pediatric and pubertal patients are extremely rare. Due to their rarity, we present a case of adenomatoid tumor of the tail of the epididymis in a 16-year-old patient. After systematic research of the current literature, we did not find another case report of epididymal adenomatoid tumor in a male patient aged 16 years old or less...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27998309/a-subserosal-pedunculated-multilocular-uterine-leiomyoma-with-ovarian-tumor-like-morphology-and-histological-architecture-of-adenomatoid-tumors-a-case-report-and-review-of-the-literature
#7
Kenji Yorita, Yu Tanaka, Koki Hirano, Yuka Kai, Kaoru Arii, Kimiko Nakatani, Satoshi Ito, Toshiya Imai, Masaharu Fukunaga, Naoto Kuroda
BACKGROUND: Uterine leiomyomas are common uterine tumors, and typical cases of leiomyoma are easily diagnosed by imaging study. However, uterine leiomyomas are often altered by degenerative changes, which can cause difficulty and confusion in their clinical diagnosis. We describe the 17th reported case of a uterine leiomyoma clinically diagnosed as an ovarian tumor; however, the present case shows the most detailed radiological evaluation, including contrast-enhanced magnetic resonance imaging...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27942555/extrafollicular-adenomatoid-odontogenic-tumor-an-unusual-case-presentation
#8
Vinay Kumar Reddy Kundoor, Kotya Naik Maloth, Nagu Naik Guguloth, Sunitha Kesidi
Adenomatoid odontogenic tumor (AOT) is an uncommon tumor of odontogenic origin and often misdiagnosed as an odontogenic cyst. It is predominantly found in young female patients, located more often in maxilla, and in most cases associated with an unerupted permanent tooth. There are three variants of AOT namely follicular, extra follicular, and peripheral. We report an unusual case of extrafollicular AOT in maxilla of a 50-year old male patient.
December 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27916162/paratesticular-adenomatoid-tumor
#9
Sounak Gupta, Lori A Erickson
No abstract text is available yet for this article.
December 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27876138/adenomatoid-odontogenic-tumor-what-is-the-true-nature
#10
Arush Thakur, Jagdish Vishnu Tupkari, Tabita Joy, Amrut V Hanchate
The Adenomatoid odontogenic tumor (AOT) is one of the most controversial benign odontogenic tumor, which has been known to the pathologists for the past 100years. Since then the history, histogenesis and histopathologic designation of AOT remains a matter of debate. Some authors consider it as a true benign neoplasm while others consider it as a hamartoma and still others as an odontogenic cyst. Here we propose that the AOT should not be considered as a cyst because its true cystic nature remains questionable...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27857774/a-case-report-and-short-review-on-changing-trends-in-the-site-of-occurrence-of-adenomatoid-odontogenic-tumor-unravelling-the-past-15-years
#11
Sneha Sethi, Manish Kumar, Pratul Aggarwal, H S Indra Kumar, Chetan D Sugandhi, Silvie Singh
Adenomatoid odontogenic tumor (AOT) is an uncommon benign odontogenic lesion, with debatable histogenesis and variable histopathology. A systematic and diverse insight into the evolution, clinical presentation, histology, and immunohistochemical findings of this lesion is reviewed and presented. We reviewed the data published from 2000 to 2014 of approximately 255 cases that revealed a significant change in the incidence of predominant site involved, in contrast to the findings published by Reichart. We have also included the chronological order of events leading to the coining of the term AOT, which shows the curiosity that has been dedicated to understanding the lesion...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27817004/a-combined-epithelial-odontogenic-tumor-a-7-year-follow-up-case
#12
Ana Cláudia Garcia Rosa, Andresa Borges Soares, Cristiane Furuse, Sandro Régis Rodrigues Lima, Vera Cavalcanti de Araújo, Fabricio Passador-Santos
Adenomatoid odontogenic tumor (AOT) is a benign epithelial odontogenic tumor characterized by slow and progressive growth. When central lesions are associated with an unerupted permanent tooth, they are also known as the follicular type. Histological variants of AOT may complicate diagnosis with possible adverse effects on treatment and prognosis. The aim of this study is to report a case of a follicular AOT with extensive calcifying epithelial odontogenic tumor (CEOT)-like histopathological areas in the anterior region of the mandible that was treated by enucleation...
November 5, 2016: Head and Neck Pathology
https://www.readbyqxmd.com/read/27813512/genomic-profiling-of-malignant-peritoneal-mesothelioma-reveals-recurrent-alterations-in-epigenetic-regulatory-genes-bap1-setd2-and-ddx3x
#13
Nancy M Joseph, Yunn-Yi Chen, Anthony Nasr, Iwei Yeh, Eric Talevich, Courtney Onodera, Boris C Bastian, Joseph T Rabban, Karuna Garg, Charles Zaloudek, David A Solomon
Malignant mesothelioma is a rare cancer that arises from the mesothelial cells that line the pleural cavity and less commonly from the peritoneal lining of the abdomen and pelvis. Most pleural mesotheliomas arise in patients with a history of asbestos exposure, whereas the association of peritoneal mesotheliomas with exposure to asbestos and other potential carcinogens is less clear, suggesting that the genetic alterations that drive malignant peritoneal mesothelioma may be unique from those in pleural mesothelioma...
February 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27780042/immunoexpression-of-bmp-2-and-bmp-4-and-their-receptors-bmpr-ia-and-bmpr-ii-in-ameloblastomas-and-adenomatoid-odontogenic-tumors
#14
Marcelo Anderson Barbosa Nascimento, Cassiano Francisco Weege Nonaka, Carlos Augusto Galvão Barboza, Roseana de Almeida Freitas, Leão Pereira Pinto, Lélia Batista de Souza
OBJECTIVES: The present study evaluated the immunohistochemical expression of BMP-2 and BMP-4 and of their receptors (BMPR-IA and BMPR-II) in solid ameloblastoma (SA), unicystic ameloblastoma (UA) and adenomatoid odontogenic tumor (AOT) in order to obtain a better understanding of their role in the development and biological behavior of these tumors. DESIGN: This study analyzed these proteins in 30 cases of SA, 10 cases of UA, and 30 cases of AOT. Immunoexpression was evaluated in the parenchyma and stroma by attributing the following scores: 0, no stained cells; 1, ≤10%; 2, >10% and ≤25%; 3, >25% and ≤50%; 4, >50% and ≤75%...
January 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/27770472/whatsapp-is-an-effective-tool-for-obtaining-second-opinion-in-oral-pathology-practice
#15
Sachin C Sarode, Gargi S Sarode, Rahul Anand, Shankargouda Patil, Hemant Unadkat
BACKGROUND: The aim of this study was to find out the efficacy of WhatsApp application for obtaining second opinion on histopathological diagnosis in oral pathology practice. METHODS: A total of 247 cases comprising of 34 different oral pathologies were photomicrographed using smartphone cameras through compound microscopes and sent for second opinion diagnosis (SOD) to 20 different oral pathologists using WhatsApp. RESULTS: Of 4795 (97.06%) total second opinion received, correct SOD were received for 4710 (98...
October 22, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27721599/expression-of-ck14-and-vimentin-in-adenomatoid-odontogenic-tumor-and-dentigerous-cyst
#16
Muniswamappa Sudhakara, S Puranik Rudrayya, Srineevas S Vanaki, RamanPreet Kaur Bhullar, M S Shivakumar, Mahadevi Hosur
BACKGROUND: Origin of adenomatoid odontogenic tumor (AOT) has long been a controversy, and the issue of it being a neoplasm or hamartoma was a subject of debate for a long time. Earlier it was grouped under a mixed group of odontogenic tumors considering the varying degrees of inductive changes. Recently, the WHO classification states that the presence of hard tissue within AOT was not due to induction but was rather a metaplastically produced mineralization and hence the tumor was reclassified under a group of tumors arising from odontogenic epithelium...
September 2016: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/27672610/jaw-lesions-associated-with-impacted-tooth-a-radiographic-diagnostic-guide
#17
REVIEW
Hamed Mortazavi, Maryam Baharvand
This review article aimed to introduce a category of jaw lesions associated with impacted tooth. General search engines and specialized databases such as Google Scholar, PubMed, PubMed Central, MedLine Plus, Science Direct, Scopus, and well-recognized textbooks were used to find relevant studies using keywords such as "jaw lesion", "jaw disease", "impacted tooth", and "unerupted tooth". More than 250 articles were found, of which approximately 80 were broadly relevant to the topic. We ultimately included 47 articles that were closely related to the topic of interest...
September 2016: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/27647326/glypican-3-distinguishes-aggressive-from-non-aggressive-odontogenic-tumors-a-preliminary-study
#18
Ramon Barreto Mendes, Rosane Borges Dias, Andreia Leal Figueiredo, Clarissa Araújo Gurgel, Manoel Santana Filho, Leonardo Araújo Melo, Marília Trierveiler, Patrícia Ramos Cury, Rosalia Leonardi, Jean Nunes Dos Santos
BACKGROUND: Glypican-3 is a cell surface proteoglycan that is found in embrionary tissues, and there are no studies investigating this protein in odontogenic tumor. Thus, the aim of this study was to investigate glypican-3 in a series of aggressive and non-aggressive odontogenic tumors. METHODS: Fifty-nine cases of tumors were divided into aggressive odontogenic tumors (20 solid ameloblastomas, four unicystic ameloblastoma, 28 KOTs including five associated with Gorlin-Goltz syndrome) and non-aggressive odontogenic tumors (five adenomatoid odontogenic tumors and two calcifying cystic odontogenic tumors) and analyzed for glypican-3 using immunohistochemistry...
September 20, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27642441/a-retrospective-review-of-61-cases-of-adenomatoid-odontogenic-tumour-seen-in-five-tertiary-health-facilities-in-nigeria
#19
MULTICENTER STUDY
Akinyele Olumuyiwa Adisa, Ahmed Oluwatoyin Lawal, Olajumoke Ajibola Effiom, Olujide Oladele Soyele, Olufemi Gbenga Omitola, Adetokunbo Olawuyi, Benjamin Fomete
INTRODUCTION: Adenomatoid odontogenic tumor (AOT) is a benign lesion originating from the dental lamina or its remnants. It is a relatively uncommon neoplasm representing about 3% of all odontogenic tumors. The aim of this study was to examine the clinical and radiological characteristics of AOTs in five major tertiary centres in Nigeria. METHODS: Archival hospital-based data stores of five tertiary health facilities in Nigeria were accessed. Case files and biopsy records were retrieved to obtain relevant information...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27631338/morphological-immunohistochemical-and-chromosomal-analysis-of-multicystic-chromophobe-renal-cell-carcinoma-an-architecturally-unusual-challenging-variant
#20
Maria Pané Foix, Ana Dunatov, Petr Martinek, Enric Condom Mundó, Saul Suster, Maris Sperga, Jose I Lopez, Monika Ulamec, Stela Bulimbasic, Delia Perez Montiel, Reza Alaghehbandan, Kvetoslava Peckova, Krystina Pivovarcikova, Daum Ondrej, Pavla Rotterova, Faruk Skenderi, Kristyna Prochazkova, Martin Dusek, Milan Hora, Michal Michal, Ondrej Hes
Chromophobe renal cell carcinoma (ChRCC) is typically composed of large leaf-like cells and smaller eosinophilic cells arranged in a solid-alveolar pattern. Eosinophilic, adenomatoid/pigmented, or neuroendocrine variants have also been described. We collected 10 cases of ChRCC with a distinct multicystic pattern out of 733 ChRCCs from our registry, and subsequently analyzed these by morphology, immunohistochemistry, and array comparative genomic hybridization. Of the 10 patients, 6 were males with an age range of 50-89 years (mean 68, median 69)...
December 2016: Virchows Archiv: An International Journal of Pathology
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