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Epidermoid cyst

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https://www.readbyqxmd.com/read/29788991/bilateral-tympanokeratomas-cholesteatomas-with-bilateral-otitis-media-unilateral-otitis-interna-and-acoustic-neuritis-in-a-dog
#1
Liv Østevik, Kathrine Rudlang, Tuva Holt Jahr, Mette Valheim, Bradley Lyndon Njaa
BACKGROUND: An aural cholesteatoma, more appropriately named tympanokeratoma, is an epidermoid cyst of the middle ear described in several species, including dogs, humans and Mongolian gerbils. The cyst lining consists of stratified, keratinizing squamous epithelium with central accumulation of a keratin debris. This case report describes vestibular ganglioneuritis and perineuritis in a dog with chronic otitis, bilateral tympanokeratomas and presumed extension of otic infection to the central nervous system...
May 22, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29776937/pelvic-epidermoid-cyst-a-rare-cause-of-lower-urinary-tract-symptoms
#2
Pritesh Jain, Dilip Kumar Pal
Pelvic retroperitoneum is a bizarre location of an epidermoid cyst and obstructive voiding caused by it even being stranger. Voiding symptoms related to such an abnormal location of cyst are extremely rare and literature that taps into such cases is scarce. We are presenting here a case of 26-year-old man who was presented with obstructive lower urinary tract symptoms and chronic constipation. On evaluation, he was found to have well-defined cyst in pelvic retroperitoneum. Complete excision of the cyst was done; histopathology confirmed it as an epidermoid cyst...
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29721231/cystic-mass-of-the-floor-of-the-mouth
#3
Aina Brunet-Garcia, Elizabeth-Daniela Lucena-Rivero, Laia Brunet-Garcia, Marta Faubel-Serra
Background: Epidermoid and dermoid cysts in the oral cavity are relatively uncommon lesions of developmental origin. They often remain asymptomatic for years until they grow enough to interfere with speech, deglutition and less often with breathing which can pose a critical risk to the airway and require immediate surgery. Case description: A case of an epidermoid cyst of the floor of the mouth affecting a 37-year-old man is presented; this lesion was surgically enucleated with an intraoral approach...
March 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29705139/characteristics-treatment-decisions-and-outcomes-of-prepubertal-testicular-germ-cell-tumor-a-descriptive-analysis-from-a-large-chinese-center
#4
P Liu, W Li, H C Song, L L Jiao, W P Zhang, N Sun
INTRODUCTION: Prepubertal testicular tumors are fundamentally distinct from their postpubertal and adult counterparts. Racial and ethnic differences contribute to the incidence, characteristics, and histological distribution of prepubertal testicular germ cell tumors (PTGCTs). OBJECTIVE: To elucidate the characteristics and treatment outcomes of PTGCTs in a Chinese cohort. STUDY DESIGN: Data were retrospectively reviewed from consecutive PTGCT patients aged <12 years who received treatment at the current institution from January 2007 to December 2015...
April 3, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29693063/symmetric-multilocular-epidermoid-cysts-on-the-face-an-unusual-presentation-of-a-common-lesion
#5
Jonathan E Mayer, Misha D Miller, Stanca A Birlea
No abstract text is available yet for this article.
May 2018: JAAD Case Reports
https://www.readbyqxmd.com/read/29682075/giant-occipital-intradiploic-epidermoid-cyst
#6
Arun Oommen, Jayasree Govindan, Devan Surendran Peroor, C Roshan Azeez, R Rashmi, Muhammed Jasim Abdul Jalal
Intraparenchymal or intradiploic epidermoid cysts are very rare. Most of these cysts, when present, tend to involve the frontal and temporal lobes, and occasionally, the pineal gland or the brain stem. Here, we report a 45-year-old female, who presented with localized occipital headache and a tender occipital swelling, gradually increasing in size. She was hemodynamically and neurologically stable and did not have any focal neurological deficits. Whole skull and brain imaging revealed a well-demarcated expansile lytic lesion in the right occipital bone, which was hypointense on T1-weighted and hyperintense on both T2-weighted imaging and diffusion-weighted imaging without any contrast enhancement...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29679737/malignant-degeneration-of-a-branchial-cyst-a-case-report
#7
Bellakhdhar Mouna, El Abed Wed, Mestiri Sarra, Majdoub Senda, Kermani Wassim, Abdelkefi Mohamed
INTRODUCTION: Malignant degeneration of a branchial cyst is rare [1]. It varies from 4% to 22% [2]. CASE: Report: A74-year-old man presented to our department with a left painless upper neck mass which was excised and histopathology revealed squamous cell carcinoma in a cystic lesion. The appropriate clinical tests and imaging were performed to determine the possible presence of a primary tumor. No primary carcinoma was found. This finding suggests that this was a malignant degeneration of a branchial cyst...
April 18, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29660532/imaging-in-testicular-epidermoid-cysts
#8
Renwei Liu, Zhengxian Lei, Nengxue Chen, Jinzhi Fang, Yuzhong Zhang
OBJECTIVE: To evaluate the utility of findings on ultrasound and magnetic resonance imaging (MRI) for the preoperative diagnosis of testicular epidermoid cysts (TEC). METHODS: The medical records of five patients treated for TEC at our institution between July 2010 and May 2017 were retrospectively reviewed. RESULTS: Imaging revealed a target or onion skin appearance on ultrasonography and MRI. Pathological examinations showed "bread slag-like" materials within the TEC...
April 5, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29622708/epidermoid-cyst-within-an-intrapancreatic-accessory-spleen
#9
Anghela Paredes, Eliza Wright Beal, Mary E Dillhoff
This is a case of an epidermoid cyst in an intrapancreatic accessory spleen at the tail of the pancreas. Concurrent epidermoid cyst within the accessory spleen is an exceedingly rare entity. The patient initially presented with abdominal pain, nausea and vomiting. Imaging studies revealed a 3.6 cm cystic mass in the tail of the pancreas that was concerning for a mucinous cystic neoplasm (MCN). The patient underwent a robotic distal pancreatectomy for a suspected diagnosis of MCN, which following histologically examination was found to be an epidermoid cyst of an intrapancreatic accessory spleen...
April 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29618113/surgical-resection-of-intramedullary-epidermoid-cyst-2-dimensional-operative-video
#10
Thomas Sorenson, Giuseppe Lanzino
Intramedullary epidermoid cysts are extremely rare lesions. Preoperative diagnosis can be challenging due to non-specific imaging futures. We illustrate the case of a 32-year-old man who presented with a symptomatic intramedullary mass, which at surgery proved to be an epidermoid cyst. The spinal cord was decompressed by removing the pearl-white keratin material, although the capsule, which was tenaciously adherent to the surrounding spinal cord parenchyma, was only partially removed. In this video, we illustrate the salient surgical points for the resection of this very unusual intramedullary lesion...
March 30, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29606945/a-case-of-vulvar-schwannoma-mimicking-epidermoid-cyst
#11
Jingwen Tan, Jia Chen, Lianjuan Yang
Schwannoma is a generally benign tumor of the peripheral nerve sheath arising from Schwann cells. Most schwannomas are found on the head and neck. Here, we describe a rare case of benign vulvar schwannoma located at the labium majus which was similar to an epidermoid cyst in clinical appearance.
January 2018: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29588901/endoscopic-endonasal-transtuberculum-sellae-approach-for-the-resection-of-suprasellar-intrainfundibular-epidermoid-cyst
#12
Alaa S Montaser, Juan M Revuelta Barbero, Mostafa Shahein, Alexandre B Todeschini, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
A 49-year-old female presented with intense headaches of 3 months duration. Brain magnetic resonance imaging (MRI) was performed and showed a sellar-suprasellar lesion extending into the third ventricle. A presumptive diagnosis of a craniopharyngioma was made. Since the patient did not have any visual deficits, she opted for conservative management. Four months later, she started to have progressive deterioration of vision; thus, surgery was indicated. The patient underwent endoscopic endonasal resection of the lesion through a transtuberculum sellae approach...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29580047/the-feasibility-of-shear-wave-elastography-for-diagnosing-superficial-benign-soft-tissue-masses
#13
Hyun Jung Yeoh, Tae-Yoon Kim, Jeong Ah Ryu
Purpose: The purpose of this study was to investigate the feasibility of shear wave ultrasound elastography for differentiating superficial benign soft tissue masses through a comparison of their shear moduli. Methods: We retrospectively analyzed 48 masses from 46 patients from February 2014 to May 2016. Surgical excision, fine-needle aspiration, and clinical findings were used for the differential diagnosis. The ultrasonographic examinations were conducted by a single musculoskeletal radiologist, and the ultrasonographic findings were reviewed by two other radiologists who were blinded to the final diagnosis...
January 19, 2018: Ultrasonography
https://www.readbyqxmd.com/read/29577001/mediastinal-epidermoid-cyst-in-a-5-year-old-girl
#14
Keren A Sloan, Kokila Lakhoo
A 5-year-old girl was referred to our unit with an incidental finding of a lesion on the right hemithorax situated within the right atrial shadow. Computed tomography thorax showed a well-defined soft tissue lesion felt to be consistent with a bronchogenic cyst. The lesion was located in the posterior mediastinum, adherent to the diaphragm and inferior vena cava, but did not extend within the wall of the esophagus. It was entirely excised via video-assisted thoracoscopy converted to open thoracotomy. Histopathology confirmed an encapsulated nodular tissue measuring 2...
January 2018: European Journal of Pediatric Surgery Reports
https://www.readbyqxmd.com/read/29557684/intradiploic-epidermoid-cyst-of-the-orbital-roof-a-case-report
#15
Bernard G Lee, Ye Chen, Saul Rajak, Dinesh Selva
Intradiploic epidermoid cysts are uncommon in the orbital walls and typically present with chronic headaches. We present the unusual presentation of a 46-year-old man where a long-standing intradiploic mass of the orbital roof led to acute onset of pain and mechanical ptosis. Computed tomography and magnetic resonance imaging revealed an intradiploic cystic mass within the orbital roof. The cystic mass was extirpated and histological examination confirmed the diagnosis of an epidermoid cyst. This case illustrates the potential of long-standing intradiploic epidermoid cysts in producing an acute presentation...
March 20, 2018: Orbit
https://www.readbyqxmd.com/read/29556696/intrinsic-epidermoid-of-the-brain-stem-case-report-and-review-of-the-literature
#16
Saraj K Singh, Kapil Jain, Vijendra Kumar Jain
PURPOSE: Purely cystic brain stem epidermoid is a rare diagnosis among all brainstem cystic lesions. Further, it is very rare in pediatric age group. METHODS: Here, we are reporting a rare case of completely cystic brain stem epidermoid in a child. The patient presented with clinical features of brain stem involvement. MRI brain was suggestive of cystic brain stem lesion. RESULTS: Patient went through surgical procedure. Final diagnosis of epidermoid cyst was confirmed on histopathological report...
March 19, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29547084/endoscopic-endonasal-surgery-for-epidermoid-and-dermoid-cysts-a-10-year-experience
#17
Francisco Vaz-Guimaraes, Maria Koutourousiou, John R de Almeida, Elizabeth C Tyler-Kabara, Juan C Fernandez-Miranda, Eric W Wang, Carl H Snyderman, Paul A Gardner
OBJECTIVE Epidermoid and dermoid cysts may be found along the cranial base and are commonly resected via open transcranial approaches. The use of endoscopic endonasal approaches for resection of these tumors has been rarely reported. METHODS The authors retrospectively reviewed the medical records of 21 patients who underwent endoscopic endonasal surgery for epidermoid and dermoid cyst resection at the University of Pittsburgh Medical Center between January 2005 and June 2014. Surgical outcomes and variables that might affect the extent of resection and complications were analyzed...
March 16, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29545981/the-xomed-monopolar-cranial-nerve-stimulator-electrode-a-surprising-handy-tool-for-deep-dissection-of-epidermoid-tumors
#18
Gopalakrishnan M Sasidharan
Epidermoid cysts are notorious for their propensity to sneak into deep recesses between cranial nerves in the posterior fossa. Attempts to achieve complete excision using ordinary instruments when tempted by the seeming ease of dissection is known to cause unacceptable deficits. The Xomed monopolar stimulator electrode probe of the nerve integrity electromyography monitor has several advantages when used as the primary dissection tool for deep-seated epidermoid cysts. Cerebellopontine angle epidermoid is the classical prototype of a strategically placed deep-seated epidermoid tumor...
January 12, 2018: Curēus
https://www.readbyqxmd.com/read/29541571/a-rare-case-of-presacral-epidermoid-cyst-in-an-adult-male-emphasis-on-diffusion-weighted-magnetic-resonance-sequences-in-preoperative-imaging
#19
Muhammad I Alvi, Fatima Mubarak, Kumail Khandwala, Muhammad D Barakzai, Aisha Memon
Epidermoid cyst of the presacral space is a rare congenital lesion of ectodermal origin. Presacral epidermoid cysts have been previously reported in women, however are extremely rare in males. We report a case of presacral epidermoid cyst in a 55-year-old male who presented to our emergency department with acute urinary retention and history of chronic constipation. A non-contrast computed tomography scan was performed with suspicion of urolithiasis, which revealed a well circumscribed low attenuation presacral mass...
January 10, 2018: Curēus
https://www.readbyqxmd.com/read/29534256/subcutaneoscopic-excision-of-external-angular-dermoid-cysts-our-covert-scar-approach-in-11-cases
#20
Annie Hsiao, Ashwin Pimpalwar
INTRODUCTION:  External angular dermoid cysts, or epidermoid inclusion cysts, are a common subcutaneous tumor of the head and neck. For the majority of these lesions, excision is relatively simple and performed through an incision immediately overlying the mass. Facial lesions in pediatric patients present a unique challenge in that a direct approach carries the potential for visible scar formation. OBJECTIVE:  This article aims to detail our experience with subcutaneoscopic excision of external angular dermoid cysts in pediatric patients using endoscopic instrumentation...
March 13, 2018: European Journal of Pediatric Surgery
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