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impression cytology

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https://www.readbyqxmd.com/read/29034210/biomarkers-for-response-of-melanoma-patients-to-immune-checkpoint-inhibitors-a-systematic-review
#1
Charissa A C Jessurun, Julien A M Vos, Jacqueline Limpens, Rosalie M Luiten
BACKGROUND: Immune checkpoint inhibitors (ICIs), targeting CTLA-4 or PD-1 molecules, have shown impressive therapeutic results. However, only 20-40% of advanced melanoma patients have durable responses to ICI, and these positive effects must be balanced against severe off-target immune toxicity and high costs. This urges the development of predictive biomarkers for ICI response to select patients with likely clinical benefit from treatment. Although many candidate biomarkers exist, a systematic overview of biomarkers and their usefulness is lacking...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28966835/robotic-telecytology-for-remote-cytologic-evaluation-without-an-on-site-cytotechnologist-or-cytopathologist-an-active-quality-assessment-and-experience-of-over-400-cases
#2
Sahussapont Joseph Sirintrapun, Dorota Rudomina, Allix Mazzella, Rusmir Feratovic, William Alago, Robert Siegelbaum, Oscar Lin
BACKGROUND: The first satellite center to offer interventional radiology procedures at Memorial Sloan Kettering Cancer Center opened in October 2014. Two of the procedures offered, fine needle aspirations and core biopsies, required a rapid on-site cytologic evaluation of smears and biopsy touch imprints for cellular content and adequacy. The volume and frequency of such evaluations did not justify hiring on-site cytotechnologists, and therefore, a dynamic robotic telecytology (TC) solution was created...
2017: Journal of Pathology Informatics
https://www.readbyqxmd.com/read/28954026/evaluation-of-the-ocular-surface-following-bariatric-surgery
#3
Natalia Ponte Nogueira Marques, Sérgio Felberg, Jeison Nadai de Barros, Carlos Alberto Malheiros
Purpose: To identify and evaluate changes in the ocular surface in obese patients with bariatric surgery. Methods: The study included 89 randomly selected patients; 81 (91.0%) were women, 35 were preoperative, 32 were included 0-12 months after surgery, and 22 were included >12 months after surgery. All patients completed a dry eye-specific questionnaire and were evaluated by the tear ferning test, tear-film breakup time (BUT), Schirmer's test I, examination of the ocular surface by 1% rose Bengal staining, and impression cytology...
July 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28953111/asccp-colposcopy-standards-risk-based-colposcopy-practice
#4
Nicolas Wentzensen, Mark Schiffman, Michelle I Silver, Michelle J Khan, Rebecca B Perkins, Katie M Smith, Julia C Gage, Michael A Gold, Christine Conageski, Mark H Einstein, Edward J Mayeaux, Alan G Waxman, Warner K Huh, L Stewart Massad
OBJECTIVES: The American Society for Colposcopy and Cervical Pathology (ASCCP) Colposcopy Standards recommendations address the role of and approach to colposcopy for cervical cancer prevention in the United States. MATERIALS AND METHODS: The recommendations were developed by an expert working group appointed by ASCCP's Board of Directors. This article describes the rationale, evidence, and recommendations related to risk-based colposcopy practice. RESULTS: Women referred to colposcopy have a wide range of underlying precancer risk, which can be estimated by referral screening tests including cytology and human papillomavirus testing, in conjunction with the colposcopic impression...
October 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28937831/impact-of-smoking-on-the-ocular-surface-tear-function-and-tear-osmolarity
#5
Serdar Aktaş, Mehmet Tetikoğlu, Ahmet Koçak, Metin Kocacan, Hatice Aktaş, Hacı Murat Sağdık, Fatih Özcura
PURPOSE: This study evaluated the effects of cigarette smoking on the ocular surface, tear function, and tear osmolarity. MATERIALS AND METHODS: A total of 50 smokers with at least 5 years of heavy smoking (defined as 1 pack/day) and 51 nonsmoking, healthy individuals were enrolled. Tear osmolarity was measured with an osmometer (TearLab(™) Osmolarity System). Ocular surface examinations involved corneal fluorescein staining, measurement of the tear film breakup time (TBUT), the Schirmer 1 test, measurement of corneal sensitivity with a Cochet-Bonnet esthesiometer, and conjunctival impression cytology...
September 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28858005/preinflammatory-signs-in-established-reusable-and-disposable-contact-lens-wearers
#6
Cecilia Chao, Fiona Stapleton, Mark D P Willcox, Blanka Golebiowski, Kathryn Richdale
SIGNIFICANCE: Established reusable contact lens (CL) wearers show higher tear inflammatory cytokine concentrations and greater conjunctival metaplasia in the region covered by standard soft CLs. The balance of proinflammatory to anti-inflammatory cytokines, but not individual tear cytokine concentrations, was associated with self-reported CL discomfort. PURPOSE: Daily disposable (DD) lenses are often used to improve CL discomfort, but the effect on ocular inflammatory responses has not been fully investigated...
August 29, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28822028/effect-of-diquafosol-tetrasodium-3-on-the-conjunctival-surface-and-clinical-findings-after-cataract-surgery-in-patients-with-dry-eye
#7
Lian Cui, Ying Li, Hyo Seok Lee, Jee Myung Yang, Won Choi, Kyung Chul Yoon
PURPOSE: To investigate the effects of diquafosol tetrasodium (DT) 3% on conjunctival impression cytologic findings in addition to clinical symptoms and signs after cataract surgery in patients with preexisting dry eye disease (DED). METHODS: Ninety-four eyes of 94 patients with DED who underwent uneventful cataract surgery were included. In total, 50 patients were treated with DT 3% (group A), while 44 patients were treated with sodium hyaluronate 0.1% (group B) postoperatively, along with topical antibiotics and steroids...
August 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28817168/infection-with-a-novel-derogenid-trematode-in-a-flap-necked-chameleon-chamaeleo-dilepis
#8
Nancy B Collicutt, Nicole I Stacy, Heather Stockdale Walden, April Childress, Jennifer Dill, Marita Anderson, James F X Wellehan
A 2-year-old female Flap-necked chameleon (Chamaeleo dilepis) was presented with a history of anorexia. On physical examination, three 11×4×2 mm, light tan-pink, raised, gelatinous, freely movable, poorly demarcated, raised nodules were identified within the oral cavity. An impression smear contained multiple, light blue to green structures exhibiting an 18×35 μm, elliptical-shaped anterior portion and a single 1×150 μm filament with a tapered end. Initial differential etiologies included trematode ova, flagellate protozoa, fungal sporangia, plant material, and sperm...
August 17, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28738415/monocarboxylate-transporters-mediate-fluorescein-uptake-in-corneal-epithelial-cells
#9
Yi-Chen Sun, Hau-Min Liou, Po-Ting Yeh, Wei-Li Chen, Fung-Rong Hu
Purpose: To determine the presence of monocarboxylate transporter (MCT) in human and rabbit corneal epithelium and its role in transcellular fluorescein transportation in the cornea. Methods: The presence of MCTs in human and rabbit corneal epithelium was determined by RT-PCR and immunohistochemistry. Intracellular fluorescein uptake experiment was performed using cultured human corneal epithelial cells (HCECs). The involvement of MCT in fluorescein uptake was determined by addition of MCT inhibitors to HCECs and acute dry eye model on New Zealand albino rabbits by spectrophotometry, corneal impression cytology, and external eye photographs...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28715398/a-non-invasive-way-to-isolate-and-phenotype-cells-from-the-conjunctiva
#10
Tanima Bose, Aihua Hou, Ryan Lee, Louis Tong, K George Chandy
Traditionally, ocular surface cytology is studied with techniques such as spatula technology and brush technology. The problem with these techniques is that they may induce traumatic lesions on the surface of the eye, which can progress to scarring, eyelid deformity, limbal stem cell deficiency and in some cases, cause great discomfort to the subject. To avoid these clinical problems, impression cytology (IC) was developed to diagnose dry eye disease and later neoplasia, atopic disease, vernal keratoconjunctivitis and keratoconjunctivitis sicca...
July 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28701833/anaplastic-large-cell-lymphoma-a-great-mimic-on-cytology
#11
Mona A Agnihotri, Kanchan S Kothari, Leena P Naik, Sharada Patil
Anaplastic large cell lymphoma (ALCL) is a T-cell lymphoma, accounting for <5% of non-Hodgkin's lymphoma. Cutaneous involvement can be primary or secondary arising in systemic ALCL. The diagnostic feature in both is the presence of pleomorphic, CD30 positive hallmark cells. We present a case of ALCL in a 19-year-old male presenting as an ulcerated scalp swelling. Clinical impression was actinomycosis or scrofuloderma. Cytology smears showed large dispersed pleomorphic cells with hyperlobated nuclei and multinucleated giant cells...
July 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28693009/a-review-of-the-use-of-fine-needle-aspiration-biopsy-of-mammary-tumors-for-diagnosis-and-research
#12
REVIEW
Edneia Tani, Nelson Fuentes-Martinez, Lambert Skoog
The article "Aspiration Biopsy of Mammary Tumors in Diagnosis and Research - A Critical Review of 2,200 Cases" by Zajicek et al. [Acta Cytol 1967;11:169-175] is composed of two separate parts as can be seen from the title. Both are, however, of great historical interest. The first describes the early days of fine-needle aspiration cytology diagnosis of breast lesions in particular carcinomas. The results are still impressive with a diagnostic accuracy close to 90%. The second deals with the effect of negative pressure on cell viability during the aspiration procedure...
2017: Acta Cytologica
https://www.readbyqxmd.com/read/28689165/tear-film-and-ocular-surface-assessment-in-psoriasis
#13
Emanuela Aragona, Laura Rania, Elisa Imelde Postorino, Alberto Interdonato, Roberta Giuffrida, Serafinella Patrizia Cannavò, Domenico Puzzolo, Pasquale Aragona
BACKGROUND: Psoriasis is a skin disease with also systemic involvement: its impact on the eye is not well established and often clinically underestimated. Aim of this study was to investigate the presence of ocular discomfort symptoms and of ocular surface changes in a population of patients with psoriasis. METHODS: For this cross-sectional, comparative study, 66 patients with psoriasis were subdivided according to the presence of arthritis and to the use of biological therapy...
July 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28676989/in-vivo-and-ex-vivo-evaluation-of-cell-cell-interactions-adhesion-and-migration-in-ocular-surface-of-patients-undergone-excimer-laser-refractive-surgery-after-topical-therapy-with-different-lubricant-eyedrops
#14
Roberta Calienno, Claudia Curcio, Manuela Lanzini, Mario Nubile, Leonardo Mastropasqua
PURPOSE: To investigate, in vivo by means of in vivo confocal microscopy (IVCM) and ex vivo by impression cytology, epithelial cellular damage after excimer laser refractive surgery in patients under different topical lubricant therapies. METHODS: Two hundred eyes of 100 patients, undergone bilateral excimer laser refractive surgery for medium myopic error correction [spherical equivalent refraction from -1.75 to -3.50 dioptres (D) with refractive astigmatism under -0...
July 4, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28669778/conjunctival-goblet-cell-density-following-cataract-surgery-with-diclofenac-versus-diclofenac-and-rebamipide-a-randomized-trial
#15
RANDOMIZED CONTROLLED TRIAL
Kumiko Kato, Kensaku Miyake, Nagako Kondo, Sayaka Asano, Junko Takeda, Akiko Takahashi, Yuko Takashima, Mineo Kondo
PURPOSE: To determine the effects of topical diclofenac or betamethasone with concomitant application of topical rebamipide on the conjunctival goblet cell density in eyes after cataract surgery. DESIGN: Randomized clinical trial. PARTICIPANTS: Eighty patients who were scheduled for cataract surgery. METHODS: Patients were randomized into 4 groups according to the postoperative topical drugs to be given; Group A, diclofenac alone; Group B, diclofenac and rebamipide; Group C, betamethasone alone; and Group D, betamethasone and rebamipide...
September 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28643798/topical-administration-of-esculetin-as-a-potential-therapy-for-experimental-dry-eye-syndrome
#16
D Jiang, X Liu, J Hu
PurposeIn this study, we investigated the therapeutic effects of topical Esculetin for dry eye rabbits through the ocular tests, inflammatory factor levels and specific phosphorylated protein expressions of ERK1/2 singnal pathway.Patients and methodsThirty-two healthy adult male New Zealand white rabbits were chosen for the study. DES models were established after removing of the main lacrimal gland, Harderian gland and nictitating membrane in the left eyes and randomly divided into group DES control, group CsA, group Esculetin and group Esculetin combined with CsA (C&E), meanwhile the right eyes served as group Normal control...
June 23, 2017: Eye
https://www.readbyqxmd.com/read/28582373/ocular-surface-changes-after-sulfur-mustard-exposure-in-rabbits-monitored-by-impression-cytology
#17
Shlomit Dachir, Hila Gutman, Ariel Gore, Liat Cohen, Maayan Cohen, Adina Amir, Vered Horwitz, Tamar Kadar
PURPOSE: Ocular injuries after exposure to sulfur mustard (SM) are characterized by acute corneal erosion and inflammation of the anterior segment that may be followed by delayed corneal neovascularization and epithelial defects, associated with limbal stem cell deficiency in part of the exposed eyes. This study aimed to further clarify the mechanism of the late injury by monitoring SM-induced cytological alterations in the ocular surface, in relation to the clinical symptoms, using impression cytology (IC)...
June 2, 2017: Cornea
https://www.readbyqxmd.com/read/28557568/a-grid-based-nucleus-counting-method-for-estimates-of-the-density-of-superficial-conjunctival-cells-from-impression-cytology-samples-taken-from-normal-healthy-human-eyes
#18
Michael J Doughty
PURPOSE: To develop and validate an easily procured objective estimate of the cell density of the superficial epithelial cells of the normal bulbar conjunctiva using conjunctival impression cytology (CIC). METHODS: From 20 healthy non-contact lens-wearing young adults, CIC was undertaken off the nasal aspect of the exposed bulbar conjunctiva, the filters stained with Giemsa, and images taken at 200× that only included an all-but-contiguous monolayer of epithelial cells...
May 30, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28535133/impression-smear-agreement-with-acetate-tape-preparation-for-cytologic-sampling
#19
Elizabeth A Layne, Sonja Zabel
Cutaneous cytologic sampling techniques are used to detect bacteria, yeast, and inflammatory cells for diagnosis and therapeutic monitoring. Studies have examined slide evaluation techniques, ear swab cytology staining methods, and observer variations; few studies compare common clinical sampling techniques. The primary aim of this study was to measure detection of microorganisms and neutrophils by impression smear compared to acetate tape preparation; comparison of agreement between two acetate tape staining methods was a secondary aim...
July 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28524144/-new-approaches-to-the-treatment-of-keratoconjunctivitis-sicca
#20
T N Safonova, O V Gladkova, I A Novikov, V I Boev, A A Fedorov
A new method has been developed for the treatment of severe forms of keratoconjunctivitis sicca (KCS) that involves the use of an original cyclosporine A (CyA) saturated soft contact lens (SCL) together with preservative-free artificial tears therapy. AIM: to evaluate the effectiveness of the newly developed treatment for KCS based on the use of medical SCL saturated with 0.05% CyA. MATERIAL AND METHODS: The patients (43 men, 60 eyes) with severe KCS were divided into 2 groups...
2017: Vestnik Oftalmologii
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