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Epidermal cyst

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https://www.readbyqxmd.com/read/29032284/mycobacterium-longobardum-infection-in%C3%A2-the%C3%A2-hand
#1
Nikola Lekic, Andrew E Rosenberg, Morad Askari
Mycobacterium longobardum is a slow-growing, nontuberculous mycobacterium that was first characterized in 2012. We report a case of M. longobardum infection in the right middle finger of a diabetic man. He underwent surgery for a presumed diagnosis of an epidermal inclusion cyst. Molecular diagnosis of the surgical specimens demonstrated M. longobardum through RNA polymerase β-subunit encoding gene sequencing. After surgery, the patient was treated with antibiotics and eventually cured of the infection. To the best of our knowledge, this is only the second reported case of a pathogenic M...
October 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29023848/folliculocystic-and-collagen-hamartoma-of-tuberous-sclerosis-a-new-case-in-a-female-patient-and-review-of-literature
#2
Laura Kaplan, Viktoryia Kazlouskaya, Rex Ugorji, Edward Heilman, Daniel Siegel, Sharon A Glick
Folliculocystic and collagen hamartoma (FCCH) of tuberous sclerosis is a rare entity described in 2012 by Torrelo et al with only eight cases described predominantly in males. It presents since birth or early infancy and in the majority of cases is associated with tuberous sclerosis. The hamartoma presents as an exophytic plaque and has distinctive histopathological features including hair follicles, intact or ruptured epidermal cysts, and an increased number of collagen fibers extending to the subcutaneous tissue...
October 10, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29019822/endocervical-polyp-with-florid-epidermal-metaplasia-report-of-a-previously-undescribed-phenomenon-from-a-dermatopathologic-view-is-it-an-epidermal-inclusion-cyst-or-a-dermoid-cyst
#3
Tien Anh N Tran
No abstract text is available yet for this article.
November 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28953141/nontraumatic-intradiploic-epidermoid-cyst-and-older-age-association-or-causality
#4
Okan Turk, Nuriye Guzin Ozdemir, Nail Demirel, Ibrahim Burak Atci, Ayhan Kanat, Coskun Yolas
BACKGROUND: Intradiploic epidermoid cysts (IEC) are rare, benign lesions derived from ectodermal remnants during neural tube closure. Their origin is still debated or unknown. OBJECTIVE: Analyzing of the patients with intradiploic epidermoid cysts operated in the authors' department. METHODS: The patients with IEC who were operated in the authors' department between January 2014 and December 2015 were investigated from data file. RESULTS: Six patients with IEC were found, reviewed the literature, and noted that these cysts usually occur in adults...
September 25, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28932588/kras-mutation-positive-mucinous-adenocarcinoma-originating-in-the-thymus
#5
Ichiro Sakanoue, Hiroshi Hamakawa, Daichi Fujimoto, Yukihiro Imai, Kazuhiro Minami, Keisuke Tomii, Yutaka Takahashi
Thymic carcinoma is a rare, aggressive disease with a low 5-year survival rate. The most common histological neoplastic thymic tumor subtype is squamous cell. We describe an interesting case of a 39-year-old woman who presented with mucinous adenocarcinoma that originated in the thymus and was treated via radical resection and venoplasty of the superior vena cava (SVC). Macroscopically, the resected tumor contained a solid region and multiple cysts with abundant mucin. Microscopic examination showed a papillary growth pattern of goblet cells with round nuclei...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932064/follicular-hybrid-cyst-with-rare-juxtaposition-of-epidermal-cyst-and-steatocystoma
#6
Krishnendu Mondal, Rupali Mandal
Any cutaneous cyst differentiating toward two or more pilosebaceous components is known as follicular hybrid cyst (FHC). A combination of epidermal and trichilemmal cyst is its most frequent example. Other combinations of pilosebaceous derivatives occur uncommonly as well. The histogenesis of this condition has been controversial. In this latest report, we describe an unusual FHC from the earlobe of a 19-year-old male, which expressed the cohabitation of epidermal cyst and steatocystoma. A sharp transition was noted between the two kinds of epithelial components...
July 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/28932061/epidermal-cysts-a-clinicopathological-analysis-with-emphasis-on-unusual-findings
#7
Jitendra Singh Nigam, Jyotsna Naresh Bharti, Vivek Nair, Chitrawati Bal Gargade, Archana Hemant Deshpande, Biswajit Dey, Ashok Singh
BACKGROUND: Epidermoid cysts, one of the common benign intradermal or subcutaneous tumors commonly result from the trauma to the pilosebaceous unit in the hair bearing area. In areas without hair, these cysts are considered implantation and proliferation of squamous epithelium into the dermis due to injury. AIMS: The aim is to evaluate the clinicopathological details with emphasis on unusual findings related to epidermoid cysts. STUDY DESIGN: This is a retrospective cross-sectional study carried out over 2 years...
July 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/28931192/markers-of-proliferation-and-cytokeratins-in-the-differential-diagnosis-of-jaw-cysts
#8
Nikola D Živković, Dragan S Mihailović, Miloš S Kostić, Ana S Cvetanović, Žaklina Ž Mijović, Maja V Milentijević, Tijana V Denčić
We conducted a retrospective study to analyze the histologic and immunohistochemical findings in three main types of odontogenic cyst. We studied 90 archived cystic jaw lesions: 30 dentigerous cysts, 30 keratocystic odontogenic tumors, and 30 radicular cysts. The cyst types were identified on the basis of clinical, radiologic, and histopathologic findings. Immunohistochemical analyses included staining with Ki-67, p53, epidermal growth factor receptor (EGFR), cytokeratin (CK) 8, CK14, CK17, and CK18. Cell immunopositivity was evaluated for the entire epithelium...
September 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28918953/-superficial-temporal-artery-pseudoaneurysm-2-cases
#9
D Lebas, P Modiano, T Wiart
BACKGROUND: Pseudoaneurysm of the superficial temporal artery causes tumefaction in the temporal region. Herein, we report two cases. PATIENTS AND METHODS: Case 1 : a 32-year-old man presented with a slightly pulsatile nodular formation measuring 2 cm in the right temporal region that had appeared nine months after traumatic injury. A diagnosis of superficial temporal artery pseudoaneurysm was considered. Excision was performed with ligation of the afferent and efferent artery...
September 14, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28913288/rare-giant-upper-lip-epidermal-cyst-in-a-patient-wearing-a-denture
#10
Jong Chan Kim, In Pyo Hong
Epidermal cysts are intradermal or subcutaneous cystic tumors that frequently occur in the face, scalp, neck, and body trunk. Acquired cases of epidermal cyst commonly occur as a result of various surgical operations, chronic irritation, or trauma, all of which may trigger the occurrence of the invagination of squamous epithelium. A 57-year-old man presented with a palpable mass 7 cm×2 cm in size in the upper lip. The patient had a 3-year history of wearing a denture to restore missing bilateral maxillary central and lateral incisors, accompanied by inflammatory findings on the buccal mucosa due to chronic lip irritation...
December 2016: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28889365/epidermal-inclusion-cyst-in-an-intra-pancreatic-accessory-spleen-a-differential-diagnosis-for-pancreatic-cystic-neoplasms-and-review-of-the-literature
#11
Hiang Jin Tan, Wei Li Neo, Ser Yee Lee, Brian Kim Poh Goh, Juinn Huar Kam
No abstract text is available yet for this article.
September 9, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28880599/giant-plantar-epidermoid-cyst-with-invasion-of-the-interosseous-muscles
#12
Antonio Córdoba-Fernandez, Adrián Lobo-Martín, Carlos Escudero-Severín, Victoria Eugenia Córdoba-Jiménez
Epidermoid cysts of the sole of the foot are rare lesions that must be differentiated from other, more common subcutaneous pathologic abnormalities located on the sole. Cases of epidermoid cysts that extend to the interosseous musculature are rarer still. We report the case of a giant epidermal cyst in a 64-year-old individual that extended to the intrinsic musculature of the third space of the right foot and that was diagnosed after fine-needle aspiration biopsy and subsequent cytologic study. Differential diagnosis of these lesions should be made with the support of additional imaging tests, and diagnostic confirmation should always be obtained after surgical removal and subsequent histopathologic study...
July 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28822696/influence-of-surgical-decompression-on-the-expression-of-inflammatory-and-tissue-repair-biomarkers-in-periapical-cysts
#13
Janderson Teixeira Rodrigues, Henrique Dos Santos Antunes, Luciana Armada, Fábio Ramôa Pires
OBJECTIVE: The biologic effects of surgical decompression on the epithelium and connective tissues of periapical cysts are not fully understood. The aim of this study was to evaluate the expression of tissue repair and inflammatory biomarkers in periapical cysts before and after surgical decompression. STUDY DESIGN: Nine specimens of periapical cysts treated with decompression before undergoing complete enucleation were immunohistochemically analyzed to investigate the expression of interleukin-1β, tumor necrosis factor-α, transforming growth factor-β1, matrix metalloproteinase-9, Ki-67, and epidermal growth factor receptor...
July 5, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28814588/massive-epidermal-vulval-cyst-an-unusual-late-complication-of-female-genital-mutilation
#14
Tejinder Kaur-Desai, Argyrios Makris
Vulval epidermal cysts are rare and infrequently described in literature. They present a difficult diagnostic dilemma and surgical challenges. They most commonly occur as a late complication of female genital mutilation (FGM) and manifest as a primary condition. We present a case of a large vulval epidermal inclusion cyst, lined by vulval squamous epithelium, in a woman with a background of FGM who was referred with suspected vulval cancer. We discuss the clinical presentation, MRI findings, surgical treatment and outcome...
August 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28798065/self-organization-process-in-newborn-skin-organoid-formation-inspires-strategy-to-restore-hair-regeneration-of-adult-cells
#15
Mingxing Lei, Linus J Schumacher, Yung-Chih Lai, Wen-Tau Juan, Chao-Yuan Yeh, Ping Wu, Ting-Xin Jiang, Ruth E Baker, Randall Bruce Widelitz, Li Yang, Cheng-Ming Chuong
Organoids made from dissociated progenitor cells undergo tissue-like organization. This in vitro self-organization process is not identical to embryonic organ formation, but it achieves a similar phenotype in vivo. This implies genetic codes do not specify morphology directly; instead, complex tissue architectures may be achieved through several intermediate layers of cross talk between genetic information and biophysical processes. Here we use newborn and adult skin organoids for analyses. Dissociated cells from newborn mouse skin form hair primordia-bearing organoids that grow hairs robustly in vivo after transplantation to nude mice...
August 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28764186/intraosseous-epidermal-inclusion-cyst-of-the-great-toe-masquerading-as-bone-tumour
#16
Uma Kumar, Sangeeta Lamba
No abstract text is available yet for this article.
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28754339/interleukin-1-receptor-knockout-mice-develop-epidermal-cysts-and-show-an-altered-innate-immune-response-following-exposure-to-ultraviolet-b-radiation
#17
Nikhil N Kulkarni, Christopher A Adase, Ling-Juan Zhang, Andrew W Borkowski, Fengwu Li, James A Sanford, Daniel J Coleman, Carlos Aguilera, Arup K Indra, Richard L Gallo
In this study, we observed that mice lacking the interleukin 1 receptor (IL1r(-/-)), or deficient in interleukin 1-beta (IL1-β), developed multiple epidermal cysts after chronic ultraviolet B (UVB) exposure. Cysts that developed in IL1r(-/-) mice were characterized by the presence of the hair follicle marker Sox 9, keratins (K10 and K14) and normal melanocyte distribution and retinoid X receptor α (RXR α) expression. The increased incidence of cysts in IL1r(-/-) mice was associated with less skin inflammation as characterized by decreased recruitment of macrophages, and their skin also maintained epidermal barrier function compared to wild-type mice...
July 25, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28747214/culturing-and-transcriptome-profiling-of-progenitor-like-colonies-derived-from-adult-mouse-pancreas
#18
Dongshen Ma, Shanshan Tang, Jing Song, Qiong Wu, Fangfang Zhang, Yun Xing, Yi Pan, Yanfeng Zhang, Jingwei Jiang, Yubin Zhang, Liang Jin
BACKGROUND: Transplantation of insulin-producing cells is considered an important diabetes therapy. Many research studies have shown that insulin-producing cells can be derived from the in-vitro cultured pancreatic colonies with self-renewal ability and multilineage potential. Even though these progenitor-like colonies have been prepared from adult pancreas cells, the efficient culture method is hardly established and regulation of the colonies is rarely known. We confirmed previously that single cells acquired from adult mouse pancreas could form cyst-like colonies in a 3D semi-solid system containing Matrigel and methylcellulose...
July 26, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28740968/epidermal-cyst-mimicking-incision-line-metastasis
#19
Ramazan Gündoğdu, Erhan Ayhan, Tahsin Çolak
Epidermal cysts are cystic tumors lined with keratinized squamous layer and filled with keratin debris. Epidermal cysts may develop by implantation of surface epidermal layer into the dermis or subcutaneous tissue after trauma or surgical procedures. Cervix cancer spreads either directly or via the vascular and lymphatic systems. Distant skin metastasis of endometrium or cervix cancer is very rare. In this case report, a patient who had a history of cervix cancer operation 11 years ago and presented with a mass that mimicked incision line metastasis and was histopathologically diagnosed with epidermal cyst is presented...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28730257/apocrine-hidrocystoma-of-the-foreskin-a-case-report-and-review-of-the-literature
#20
Daniel Val, José Fernando Val-Bernal
Apocrine hidrocystoma (AH) is an uncommon benign cystic tumor that is rarely located in the genitalia. We present the case of a 52-year-old uncircumcised man who presented an AH on his foreskin. The lesion was non-proliferative. Including the present report, only 10 cases of penile AH have been published to date. Most patients are adult (mean age 39.2 years, range 25-56 years) and only one case in one child and another case in one adolescent have been reported. The lesion involves more commonly the foreskin followed by the shaft...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
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