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https://www.readbyqxmd.com/read/28637946/basal-cell-adenocarcinoma-in-the-gland-of-the-third-eyelid-of-a-brown-bear-ursus-arctos
#1
Hiroki Sakai, Minami Goto, Takeshi Komatsu
The right third eyelid of an adult female brown bear (Ursus arctos) was swollen and removed. Histopathology revealed a tumor exhibiting proliferation with mild infiltration, consisting of multi-stratified glandular structures of the innermost laminal neoplastic cells and the basaloid neoplastic cells, and with eosinophilic thick basal lamina material around the glandular structures. Both types of neoplastic cells exhibited moderate anisokaryosis, and mitotic figures were observed in the basaloid neoplastic cells...
June 22, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28616389/fibrosarcoma-of-the-eyelid-in-two-sibling-czech-wolfdogs
#2
Laura Nordio, Sabina Fattori, Chiara Giudice
Most canine tumors of the eyelid are tumors generally encountered in the skin. They are most commonly of epithelial origin and benign. In this report, we describe the cases of two sibling Czech wolfdogs presented, one year apart, with a subcutaneous mass involving the left eyelid. Both lesions were histologically consistent with a diagnosis of subcutaneous fibrosarcoma. Immunohistochemical analyses of the tumors revealed a mild positivity for vimentin and negativity for GFAP, desmin, αSMA, myoglobin, S100, PNL2 and calponin, excluding all differential diagnosis (i...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28586953/dry-eye-syndrome-after-proton-therapy-of-ocular-melanomas
#3
Juliette Thariat, Celia Maschi, Sara Lanteri, Marie Laure Peyrichon, Stephanie Baillif, Joel Herault, Julia Salleron, Jean Pierre Caujolle
PURPOSE: To investigate whether proton therapy (PT) performs safely in superotemporal melanomas, in terms of risk of dry-eye syndrome (DES). METHODS AND MATERIALS: Tumor location, DES grade, and dose to ocular structures were analyzed in patients undergoing PT (2005-2015) with 52 Gy (prescribed dose, not accounting for biologic effectiveness correction of 1.1). Prognostic factors of DES and severe DES (sDES, grades 2-3) were determined with Cox proportional hazard models...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28579839/solitary-neurofibroma-of-eyelid-masquerading-as-chalazion
#4
Nancy Chen, Yung-Hsiang Hsu, Yuan-Chieh Lee
Neurofibroma, a benign peripheral nerve sheath tumor, usually appears together with café-au-lait spots, iris nodules, and other tumors within the scope of neurofibromatosis von Recklinghausen type 1 tumors. A solitary neurofibroma of the eyelid is relatively rare. In this case report, we present a 39-year-old woman who had a lesion on the eyelid crease, previously treated as a chalazion. Due to persistent wound crusting, the lesion was excised above the tarsus. Pathological examination revealed a solitary neurofibroma...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28570006/primary-conjunctival-myxoma-case-series-and-review-of-the-literature
#5
Dolores Ríos Y Valles-Valles, Ivette Hernández-Ayuso, Héctor A Rodríguez-Martínez, Armando Medina-Cruz, Guillermo Salcedo-Casillas, Abelardo A Rodríguez-Reyes
AIMS: Myxomas are benign soft tissue tumors resembling primitive mesenchyme. They rarely involve ocular structures and have been recognized in conjunctiva, eyelids, cornea and orbit. The purpose of this study is to describe the clinicopathological features of 7 patients with primary conjunctival myxoma seen at Dr. Luis Sánchez Bulnes Hospital an ophthalmologic referral center in Mexico City. MATERIALS AND METHODS: We reviewed the clinical, histochemical and immunohistochemical studies of patients with documented myxoma of the conjunctiva diagnosed in our hospital...
June 1, 2017: Histopathology
https://www.readbyqxmd.com/read/28567072/hyperimmunoglobulin-e-syndrome-genetics-immunopathogenesis-clinical-findings-and-treatment-modalities
#6
REVIEW
Hassan Hashemi, Masoumeh Mohebbi, Shiva Mehravaran, Mehdi Mazloumi, Hamidreza Jahanbani-Ardakani, Seyed-Hossein Abtahi
The hyperimmunoglobulin E syndromes (HIESs) are very rare immunodeficiency syndromes with multisystem involvement, including immune system, skeleton, connective tissue, and dentition. HIES are characterized by the classic triad of high serum levels of immunoglobulin E (IgE), recurrent staphylococcal cold skin abscess, and recurrent pneumonia with pneumatocele formation. Most cases of HIES are sporadic although can be inherited as autosomal dominant and autosomal recessive traits. A fundamental immunologic defect in HIES is not clearly elucidated but abnormal neutrophil chemotaxis due to decreased production or secretion of interferon γ has main role in the immunopathogenesis of syndrome, also distorted Th1/Th2 cytokine profile toward a Th2 bias contributes to the impaired cellular immunity and a specific pattern of infection susceptibility as well as atopic-allergic constitution of syndrome...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28566981/isolated-eyelid-schwannoma-a-rare-differential-diagnosis-of-lid-tumor
#7
Nabila H Morsi, Osama Samir AlMansouri, Ebrahim Mohammed AlMansour
Primary Schwannomas of the eyelid are extremely uncommon. It accounts for one percent of orbital tumors. We present a case of isolated eyelid Schwannoma in the lateral canthus of the left eye with no systemic diseases associated. Surgical excisional biopsy was done. In two years follow up, no recurrence or malignant conversion was detected.
April 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28554534/ophthalmic-manifestations-of-xeroderma-pigmentosum-a-perspective-from-the-united-kingdom
#8
Rongxuan Lim, Mieran Sethi, Ana M S Morley
PURPOSE: To document the ocular manifestations of xeroderma pigmentosum (XP), presenting via the United Kingdom (UK) XP service, and to analyze the correlations between XP genotype and ophthalmic phenotype. DESIGN: Prospective observational case series. SUBJECTS: Eighty-nine patients seen by the UK Nationally Commissioned XP Service, from April 2010 to December 2014, with a genetically confirmed diagnosis of XP. METHODS: Patients underwent a full ophthalmic examination at each visit...
May 26, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28551389/mutation-analysis-of-ctnnb1-gene-and-the-ras-pathway-genes-kras-nras-braf-and-pik3ca-in-eyelid-sebaceous-carcinomas
#9
Mi Jung Kwon, Eun Sook Nam, Seong Jin Cho, Hye-Rim Park, Soo Kee Min, Jinwon Seo, Ji-Young Choe
Sebaceous carcinoma (SC) represents a rare, aggressive eyelid malignancy with poor prognosis and is a possible component of Muir-Torre syndrome. However, genetic features as driver mutations or potential therapeutic targets are not fully elucidated. Recent a few studies have shown that SCs have concurrently multiple mutations including RAS/RAF/MAPK and PI3K/Akt pathways via next-generation sequencing in western population. Because we recently demonstrated absence of KRAS mutations in Korean eyelid SCs, we extended our previous study to the analysis of NRAS, BRAF, PIK3CA, and CTNNB1 mutations, and the examination of related protein expressions in 15 eyelid SCs...
June 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28541267/choroidal-melanoma-sector-melanocytosis-and-retinal-pigment-epithelial-microdetachments-in-birt-hogg-dub%C3%A3-syndrome
#10
Charlotte L Marous, Molly R Marous, R Joel Welch, Jerry A Shields, Carol L Shields
PURPOSE: Birt-Hogg-Dubé Syndrome (BHDS) is a rare autosomal dominant condition that can predispose patients to numerous cutaneous fibrofolliculomas and other cutaneous lesions, pulmonary cysts with spontaneous pneumothorax, and multifocal renal tumors and cancer. The genetic mutations responsible for BHDS are related to tumor suppression and the mammalian target of rapamycin (mTOR) pathway. Previous reports of the ocular findings in BHDS include eyelid fibrofolliculomas, "flecked chorioretinopathy," and one report of choroidal melanoma...
May 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28537014/usefulness-of-pet-ct-for-early-detection-of-internal-malignancies-in-patients-with-muir-torre-syndrome-report-of-two-cases
#11
Yui Ishiguro, Shigenori Homma, Tadashi Yoshida, Yosuke Ohno, Nobuki Ichikawa, Hideki Kawamura, Hiroo Hata, Satoru Kase, Susumu Ishida, Hiromi Okada-Kanno, Kanako C Hatanaka, Akinobu Taketomi
BACKGROUND: Muir-Torre syndrome (MTS) is a rare autosomal dominant genodermatosis caused by mutations in mismatch repair genes. It is characterized by the presence of at least one sebaceous skin tumor associated with internal malignancies. Whether positron emission tomography/computed tomography (PET/CT) is useful for the detection of malignancies in patients with MTS has not been determined. We herein report two cases in which PET/CT was useful for the diagnosis and follow-up of internal malignancies in patients with MTS...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28507440/ocular-basal-cell-carcinoma-a-brief-literature-review-of-clinical-diagnosis-and-treatment
#12
REVIEW
Yingyun Shi, Renbing Jia, Xianqun Fan
Basal cell carcinoma (BCC) is a common malignant tumor throughout the world. One of the known risk factors of BCC is intense exposure to ultraviolet radiation. More than 50% of BCCs of the eyelid initially occur on the lower lid. The gold standard of diagnosis of BCC is histopathology. Treatment options for BCC consist of surgery, vismodegib, radiotherapy and imiquimod. Surgical excision using Mohs micrographic surgery or wide surgical excision with frozen section margin control is the first consideration for treatment of periocular BCC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28474158/two-stage-rapid-exenteration-reconstruction-to-allow-early-radiation-therapy-for-an-aggressive-orbital-cancer
#13
Sagar Y Patel, Diana A Tamboli, Ronald Mancini
PURPOSE: Describe a novel two-stage orbital exenteration technique using an INTEGRA dermal regeneration matrix. METHODS: A 63-year-old Hispanic male presented with multiple invasive right eyelid masses that incisional biopsy revealed was infiltrative basal cell carcinoma. The patient underwent a right orbital exenteration without lid sparing. An INTEGRA graft was sutured in place to cover the defect at the time of surgery and allowed to vascularize for 3 weeks...
May 4, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28472011/multifocal-ocular-surface-squamous-neoplasia
#14
Swati Singh, Ruchi Mittal, Suryasnata Rath
A 64-year-old healthy female presented with a papillomatous limbal lesion involving 6 clock hours of superior limbus and diffuse involvement of upper tarsal conjunctiva of left eye of 6 months duration. Excision of superior limbal lesion on histopathology showed carcinoma in situ with focal breach in basement membrane and moderate degree of differentiation. The surgical base and margins were uninvolved. The tarsal lesion was initially treated with subconjunctival interferon alpha 2b (IFN alpha 2b) (3 cycles of IFN alpha 2b) with poor response...
May 2, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28471957/aggressively-progressing-primary-undifferentiated-pleomorphic-sarcoma-in-the-eyelid-a-case-report-and-review-of-the-literature
#15
REVIEW
Won Choi, Jae Ha Hwang, Ga Eon Kim, Kyung Chul Yoon
RATIONALE: Undifferentiated pleomorphic sarcoma is extremely rare in the head and neck area, and the aggressive nature of this tumor has not been previously described. PATIENT CONCERNS: Therefore, we report a unique case of a very rapidly growing primary undifferentiated pleomorphic sarcoma in the eyelid. A 67-year-old woman presented with a left lower lid mass. She had no previous history of surgery, skin malignancy, or radiation to the eyelid. On initial presentation, the patient showed a 2 × 1 × 1 cm firm, yellow nodule in the left lower eyelid...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28469319/fine-needle-aspiration-cytology-of-solitary-fibrous-tumor-of-the-orbit
#16
Vani Krishnamurthy, S Suchitha, M Asha, G V Manjunath
Solitary fibrous tumor (SFT) is a distinct and a rare spindle cell neoplasm, commonly known to occur in the pleura and other serosal sites. With the advent of immunohistochemistry, varied extraserosal sites are being recognized as common locations for this rare tumor. We report a case of SFT in a 50-year-old male patient who presented with multiple swellings in the eyelid, with emphasis on the cytological features.
April 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28467283/pigmented-tumors-in-fallow-deer-dama-dama-11-cases
#17
Kelly L Hughes, Rob J Bildfell, Benjamin Alcantar
Pigmented tumors have been reported infrequently in captive deer. We document herein the clinical progression and gross and histopathologic features of pigmented tumors diagnosed as melanoma and pigmented schwannoma in 11 white fallow deer ( Dama dama). Affected animals were part of a captive herd maintained at a drive-through park in southern Oregon and were 5-17 y of age during the study period (2004-2013). Primary lesion locations included periocular, perineal, and neck tissues, with cutaneous and internal metastases later identified at autopsy in some cases of malignant melanoma...
May 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28454286/suspected-tumor-to-meningioma-metastasis-a-case-report
#18
Iuri Santana Neville, Davi Fontoura Solla, Arthur Maynart Oliveira, Cesar Casarolli, Manoel Jacobsen Teixeira, Wellingson Silva Paiva
Tumor-to-meningioma metastasis (TMM) is a fairly uncommon phenomenon. Only 7 cases of prostate cancer with TMM have previously been described in the literature. The present study aimed to report a case of prostate cancer TMM, and to discuss the relevant clinical and neuroimaging aspects of this condition. A 68-year-old patient presented with headaches, poor visual acuity in the left eye and ipsilateral eyelid droop 3 years after a Simpson II resection of a left sphenoid wing meningioma. Computed tomography revealed a hyperdense area suggestive of a recurrent left sphenoid wing meningioma...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28413552/trigeminocardiac-reflex-preceding-development-of-postoperative-superior-orbital-fissure-syndrome
#19
Rudrashish Haldar, Prakhar Gyanesh, Arun Srivastava, Guru Prasad Bettaswamy
The superior orbital fissure syndrome (SOFS) is a rare condition presenting as painful unilateral opthalmoplegia, ptosis, pupillary dilatation and anesthesia of the upper eyelid and forehead. It has been described after facial trauma. Other etiologies include infections, tumors or spontaneous hemorrhages in the retro-orbital space. Occurrence of SOFS after surgery in the skull base has not been described before. We recently encountered a case where a young female developed SOFS following surgery for cerebrospinal fluid (CSF) rhinorrhea...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28407252/combined-endonasal-and-eyelid-approach-for-management-of-extensive-frontal-sinus-inverting-papilloma
#20
Monirah Albathi, Murugappan Ramanathan, Andrew P Lane, Kofi D O Boahene
OBJECTIVES: Sinonasal inverting papilloma (IP) is a benign but locally aggressive mucosal neoplasm with a high recurrence rate. Extension into the frontal sinus presents surgical challenges for endonasal resection. This study presents an orbitofrontal approach for managing extensive IP. STUDY DESIGN: Case series. METHODS: Four patients seen between 2012 and 2016 with biopsy-proven IP with lateral frontal sinus extension underwent a combined endonasal and transpalpebral approach for tumor resection...
April 13, 2017: Laryngoscope
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