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Epidermal cyst

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https://www.readbyqxmd.com/read/29118517/dissecting-cellulitis-of-the-scalp-early-diagnosed-by-color-doppler-ultrasound
#1
Karina Cataldo-Cerda, Ximena Wortsman
Dissecting cellulitis of the scalp (DC) is a chronic inflammatory condition of the scalp that ultimately leads to scarring alopecia. A healthy 19-year-old male presented with a solitary, soft, alopecic nodule that had appeared 1 year before. A color Doppler ultrasound examination showed a hypodermal anechoic fluid collection in the left parietotemporal region of the scalp, connected to the base of widened hair follicles, and presented inner echoes suggestive of debris, as well as several fragments of hair tracts...
October 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/29117836/compressive-ulnar-neuropathy-caused-by-olecranon-bursitis-and-concomitant-epidermal-cyst-a-case-report
#2
Hiroshi Yamazaki, Michitaka Shinone, Hiroyuki Kato
Epidermal cyst is a dermal or subcutaneous epithelial cyst that contains keratin and is lined by true epidermis. Although extremely rare, it can cause pathology including nerve compression syndrome. We report a rare case of ulnar nerve compression in the elbow that was caused by olecranon bursitis and concomitant epidermal cyst in a 67-year-old man. The ulnar nerve was immediately adjacent to the olecranon bursa and was significantly compressed. There was no connection between the tumor and the ulnar nerve...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29090204/subcutaneous-sarcoidosis-occurring-in-both-chin-and-toe
#3
Kwang Seog Kim, Dong Seob Lim, Jun Ho Choi, Jae Ha Hwang, Sam Yong Lee
Sarcoidosis is a systemic inflammatory disease characterized by non-caseating granulomas of unknown origin. Of the fewer than 6% of sarcoidosis cases that occur in subcutaneous tissue, most occur on the face or forearm, but rarely in the toe. A 33-year-old man was admitted to our institute with a 2-cm mass on his chin and a 0.5-cm mass on his right fourth toe. Based on preoperative ultrasonography, epidermal cysts were suspected, and histopathological tests were performed after removing the masses. Histopathologically, the chin and toe tissue samples showed chronic granulomatous inflammation, without necrosis, indicative of sarcoidosis...
September 2017: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29047390/roles-of-bccip-deficiency-in-mammary-tumorigenesis
#4
Roberto Droz-Rosario, Huimei Lu, Jingmei Liu, Ning-Ang Liu, Shridar Ganesan, Bing Xia, Bruce G Haffty, Zhiyuan Shen
BACKGROUND: Dysregulated DNA repair and cell proliferation controls are essential driving forces in mammary tumorigenesis. BCCIP was originally identified as a BRCA2 and CDKN1A interacting protein that has been implicated in maintenance of genomic stability, cell cycle regulation, and microtubule dynamics. The aims of this study were to determine whether BCCIP deficiency contributes to mammary tumorigenesis, especially for a subset of breast cancers with 53BP1 abnormality, and to reveal the mechanistic implications of BCCIP in breast cancer interventions...
October 18, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29032284/mycobacterium-longobardum-infection-in%C3%A2-the%C3%A2-hand
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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: Archives of Craniofacial Surgery
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
Uma Kumar, Sangeeta Lamba
No abstract text is available yet for this article.
June 2017: Journal of Clinical and Diagnostic Research: JCDR
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