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https://www.readbyqxmd.com/read/29898481/-multiple-choristoma-and-a-myelolipoma-in-a-sheltie
#1
Claudette C Cubillos, Claudia Köhler, Vivian Fromme, Susanne Leitner, Elke Hauber, Maartje Schwede, Michaele Alef, Ingmar Kiefer
An 11-year-old female Sheltie was presented with inappetence and a progressive increase in abdominal distention. Abdominal ultrasound revealed a large cystic mass in the midabdomen and cystic lesions in the right liver lobe and in the caudal pole of the left kidney. Histopathologic examination of the resected tissue revealed a myelolipoma of the spleen, dispersed splenic tissue in the liver and dispersed uterine and salpinx tissues in the kidney. This report describes the clinical, ultrasonographic and computed tomographic features and the results of histopathology...
June 2018: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/29800277/stimulation-contractility-gradient-of-a-neuromuscular-choristoma-within-the-sciatic-nerve-2-dimensional-operative-video
#2
Jonathan J Stone, Kimberly K Amrami, Jodi M Carter, Robert J Spinner
Neuromuscular choristoma (NMC) is a rare congenital nerve lesion that is classified by the presence of heterotopic muscle fibers intercalated within nerve fascicles.1 The presence of NMC typically causes progressive neuropathy and bony/soft tissue undergrowth, often leading to a shortened atrophic limb.2,3 The typical appearance of NMC on magnetic resonance imaging is an enlarged fusiform nerve that exhibits minimal gadolinium enhancement.4 While there is increasing documentation of pathognomonic clinical and radiographic features for various diffuse fusiform peripheral nerve lesions, nerve biopsy is still occasionally required for some patients given the rarity of these diseases and progressive neuropathic features...
May 24, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29755281/optic-nerve-choristoma
#3
William Harrison, Patricia Pittman, Thomas Cummings
No abstract text is available yet for this article.
January 2018: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/29683947/encephalocraniocutaneous-lipomatosis
#4
Abhishek Bavle, Rikin Shah, Naina Gross, Theresa Gavula, Alejandro Ruiz-Elizalde, Klaas Wierenga, Rene McNall-Knapp
A 5-year-old boy presented with worsening headaches for 3 months. On examination, he was found to have a hairless fatty tissue nevus of the scalp (nevus psiloliparus), subcutaneous soft tissue masses on the right side of his face, neck, mandible and right buttock and epibulbar dermoid of the right eye (choristoma) (Figs. 1A, B). Magnetic resonance imaging revealed a large suprasellar mass, which was debulked and found to be a pilocytic astrocytoma. Testing was not performed for the BRAF/KIAA1549 fusion or BRAFV600E mutation...
April 20, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29669367/12-year-outcomes-of-microkeratome-assisted-anterior-lamellar-therapeutic-keratoplasty-altk-for-disorders-of-the-anterior-part-of-the-corneal-stroma-a-comparative-review-of-adult-and-children
#5
Ivo Guber, Ciara Bergin, Philippe Othenin-Girard, Francis Munier, François Majo
PURPOSE: To report the visual outcomes and complications of automated anterior lamellar therapeutic keratoplasty (ALTK) in adults and children, and to examine these outcomes as a function of age and etiology. METHODS: A consecutive series of cases undergoing automated ALTK procedures performed at the Jules-Gonin Eye Hospital Lausanne, Switzerland, between June 2003 and January 2015. Only patients with at least 3 months of follow-up were included. RESULTS: There were 53 eyes (24 right) of 51 patients (17 female, 16 juvenile), with a mean age of 34...
April 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29589231/epibulbar-osseous-choristoma-a-photo-essay-case-report
#6
Vincent Qin, Robert M Verdijk, Dion Paridaens
PURPOSE: To present the pre-, per- and postoperative features of epibulbar osseous choristoma. METHODS: Case description including intraoperative imaging and histopathology. RESULTS: A 32-year-old male patient presented with a lesion on his right eye, suggestive of an epibulbar dermolipoma. Excision of bony lesion was performed and revealed epibulbar osseous choristoma. CONCLUSIONS: Epibulbar osseous choristoma is a rare and benign condition which can present with features similar to dermolipoma...
March 27, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29503936/epibulbar-osseous-choristoma-a-case-report
#7
Keegan A Harkins, Deborah Perry, Donny W Suh
Purpose: To present the case of a 12-year-old female with an epibulbar osseous choristoma. Observations: The patient presented with right-sided conjunctival mass, which caused her discomfort. Slit lamp examination revealed a 5×5-mm, firm nodule in the superotemporal quadrant of the bulbar conjunctiva. The nodule had feeder vessels, adhered firmly to the sclera, and lacked signs of malignancy. The patient underwent excisional biopsy under general anesthesia. During this procedure, great care was taken to avoid perforation of the globe...
April 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29443798/clinical-features-imaging-and-natural-history-of-myelinated-retinal-nerve-fiber-layer
#8
Raksha Rao, Elif B Turkoglu, Emil A T Say, Carol L Shields
PURPOSE: To evaluate the natural history of myelinated retinal nerve fiber layer (MRNFL) through clinical features and enhanced depth imaging optical coherence tomography. METHODS: This is a retrospective, noncomparative, case series of patients who underwent thorough clinical examination to document associated ocular and systemic features. Enhanced depth imaging optical coherence tomography was performed when MRNFL was located posteriorly and accessible to imaging...
February 13, 2018: Retina
https://www.readbyqxmd.com/read/29443763/epibulbar-complex-cartilaginous-choristoma-a-distinctive-clinicopathological-case-series-and-literature-review
#9
Zongduan Zhang, Zhengwei Yang, Qintuo Pan, Xiaoyi Qin, Yuxuan Deng, Yuehong Cao
To newly describe the clinical and histopathological characteristics of epibulbar complex cartilaginous choristoma incidentally observed in a series of pterygium excision patients.Noncomparative case series with chart review of 8 patients.During a 4-year period, we identified 8 cases of conventional unilateral nasal subpterygial cartilaginous choristoma in 1799 pterygium patients and analyzed their clinicopathological features. The incidence rate of this entity is 0.44% in pterygium patients. All of the cartilaginous choristomas were buried deep in the caruncle, covered by the pterygium, and embedded in tenon facia tissue...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29399353/osseous-choristoma-of-the-tongue-a-case-report-with-dermoscopic-study
#10
Hitoshi Yoshimura, Seigo Ohba, Yoshiaki Imamura, Kazuo Sano
Osseous choristomas are rare benign lesions characterized by ectopic bone formation in the soft tissue of the head and neck region. Dermoscopy visualizes the morphological characteristics that are not observable by the naked eye, and may be used for the evaluation of calcification under the skin. The present study reports a case of an osseous choristoma arising in the tongue, and reveals the dermoscopic features of osseous choristoma from a surgical specimen. A 7-year-old boy was referred to the Department of Dentistry and Oral Surgery, with an asymptomatic pedunculated mass in the tongue...
February 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29386823/congenital-cyst-of-the-orbit-a-case-report
#11
Richa Gupta, Rajesh B Dhirawani
Dermoid cyst is an example of choristoma (i.e., tumors that originate from aberrant primordial tissue which result in normal appearing tissue in an abnormal location). This particular type of cyst is formed at the site where 2 suture lines of the skull close during embryonic development, and during this time, dermal or epidermal elements are pinched off which later convert to form cysts. Approximately, 50% of these tumors that involve the head are found in or adjacent to the orbit. This article presents a similar case of the orbital dermoid cyst with its management and also a review on other varieties of dermoid cysts of the head and neck region...
July 2017: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/29211701/new-grading-system-for-limbal-dermoid-a-retrospective-analysis-of-261-cases-over-a-10-year-period
#12
Jing Zhong, Yuqing Deng, Ping Zhang, Saiqun Li, Haixiang Huang, Bowen Wang, Henan Zhang, Lulu Peng, Ruhui Yang, Jiangang Xu, Jin Yuan
PURPOSE: To establish a new scoring system for limbal dermoid, in order to unify the diagnostic criteria and assess the prognosis. METHODS: A retrospective study was conducted on 261 patients with limbal dermoid. The basic information, clinical features, and pathology of dermoids were recorded, and the prognosis at 1 year after keratoplasty was assessed at follow-up. A new visual scoring system was created for the area of corneal involvement, the area of conjunctival involvement, and the surface shape...
January 2018: Cornea
https://www.readbyqxmd.com/read/29201479/lingual-osseous-choristoma-of-the-tongue-base-unusual-presentation-of-a-rare-entity
#13
Matthew J Heinz, Scott M Peters, Salvatore M Caruana, Angela J Yoon
Osseous lesions of the tongue, also referred to as osseous choristomas, are benign growths of bony tissue. These lesions are not true neoplasms but rather represent growth of normal tissue at an abnormal location. Clinically, they appear as exophytic masses of the tongue, and they are treated by surgical excision. Lingual osseous choristomas are rare entities, with only 71 reported cases in the literature. We present the case of a lingual osseous choristoma of the tongue base in a 21-year-old female. Of the cases of lingual osseous choristoma reported in the literature, ours is only the fifth case to involve this location...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/29174934/primary-lesions-that-may-imitate-metastatic-tumors-histologically-a-selective-review
#14
REVIEW
Mark R Wick
Several primary pathologic entities in diverse anatomic locations have the potential to simulate metastatic neoplasms histologically. Their misinterpretation as such may result in needless and extensive clinical evaluations that are intended to detect a presumed malignancy at another site. More importantly, mistakes of this type can deprive patients of surgical excisions that could be curative. This presentation considers a review of selected primary lesions that can simulate metastases. They include hemangioblastoma, glioblastoma and meningioma with epithelial metaplasia, choroid plexus carcinomas, primary neuroendocrine carcinomas in unusual locations, special forms of sinonasal and salivary glandular adenocarcinoma, clear-cell thyroid carcinomas, unusual microscopic subtypes of pulmonary adenocarcinoma, epithelioid myomelanocytomas ("sugar tumors"), mesotheliomas, primary thymic carcinomas, endodermal choristomas of the interatrial myocardium, peripheral cholangiocarcinoma, adrenocortical carcinoma, adenocarcinomas of the urinary bladder, mucinous and "rhabdoid" tumors of the ovaries, rete testis adenocarcinomas, interdigitating dendritic-cell sarcoma of lymph nodes, selected sweat gland carcinomas, cutaneous Merkel cell carcinoma, primary dermal and subcutaneous melanoma, mucosal and visceral melanomas, epithelioid sarcoma, clear-cell sarcoma, and adamantinoma of long bones...
March 2018: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/29154375/glial-choristoma-of-the-ventral-part-of-the-tongue-first-report-in-an-elderly-patient
#15
M Nicola, F Ferrario, P Collini, M Onorati, M M Albertoni, F Di Nuovo
INTRODUCTION: The aims of this report are to illustrate the first case of glial and adipose tissue choristoma at the ventral part of the tongue in an elderly patient, to discuss the possible differential diagnoses and to speculate about its pathogenesis. CASE REPORT: A 65-year-old female was admitted to our hospital with a swelling at the base of the tongue. MRI revealed an oval lesion with indistinct borders without contrast enhancement. The patient underwent surgical complete excision and grossly, the specimen consisted of a gray-white mass measuring 25 mm in its great diameter...
September 2017: Pathologica
https://www.readbyqxmd.com/read/29100175/gallbladder-associated-symptomatic-hepatic-choristoma-should-you-resect
#16
Salah Termos, Abdullah AlDuwaisan, Mohammad Alali, Hussein Faour, Hana AlHomoud, Ahmad Alsaleh
INTRODUCTION: Hepatic choristomas or ectopic livers are uncommon, and occur due to a failure of embryological liver development. They pose a risk of carcinogenesis, with transformation to hepatocellular carcinoma (HCC) being described in the literature (Arakawa et al., 1999). It is often a silent clinical finding that can occur anywhere in the body and is usually diagnosed incidentally during abdominal surgical procedures or autopsies (Eiserth et al., 1940). We present the case of a patient with a symptomatic ectopic liver that was detected preoperatively, and removed laparoscopically with the gallbladder...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29075141/epibulbar-osseous-choristoma-a-case-report
#17
Thendral Ponnudurai, Sophia Louisraj, Amjad Salman
We present a case of a 15-year-old girl with an epibulbar osseous choristoma. The patient presented with a 3×3 mm, whitish, firm subconjunctival mass in the superotemporal quadrant of her right eye with vascularization. She underwent excision biopsy of the mass under topical anesthesia. The pathologic sections were consistent with a well-circumscribed osseous tissue without atypia. Osseous choristoma is one of the rare types of ocular choristoma to be considered in the differential diagnosis of pediatric epibulbar tumors...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/29025251/glial-choristoma-of-the-tongue-clinicopathological-analysis-of-a-case-and-pathogenetic-insights
#18
Alessandro Corsi, Norman Veccia, Mara Riminucci
Glial choristoma of the tongue is a rare developmental anomaly usually occurring in the first two years of life. Although diverse theories have been suggested to explain its development, they do not seem to take into account the normal tongue development. We report here on a glial choristoma of the tongue in a two-month-old male with the aim to describe the clinicopathological features of this lesion and to discuss the pathogenetic role of the cells that normally migrate from the cranial neural crests to generate the ectomesenchymal derivatives of the tongue and express neuroglial differentiation as normal developmental pathway...
2017: Polish Journal of Pathology: Official Journal of the Polish Society of Pathologists
https://www.readbyqxmd.com/read/28860914/ectopic-lacrimal-gland-in-a-complex-choristoma-involving-the-lacrimal-sac-fossa
#19
Mohammad Javed Ali, Dilip Kumar Mishra, Milind N Naik
Complex choristomas involving the lacrimal drainage system are not common. Ectopic lacrimal gland within complex choristomas has been described in the eyelid and orbit. We describe a pediatric case of complex choristoma with ectopic lacrimal gland involving the lacrimal sac fossa and partly the medial eyelid and orbit along with a brief review of literature.
July 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28724821/epipalpebral-conjunctival-chondroid-choristoma-interesting-developmental-anomaly-presenting-in-an-adult
#20
Pushpanjali R Ojha, Archana Hemant Deshpande, Chitrawati Bal Gargade, Jitendra Singh Nigam
Ocular choristomas are uncommon lesions chiefly presenting in children. Choristomas may contain dermal and epidermal components, muscle, cartilage, bone, etc. They are usually seen in epibulbar conjunctiva, but epipalpebral location is uncommon. We present a case of epipalpebral chondroid choristoma presenting in an adult patient.
July 2017: Indian Journal of Ophthalmology
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