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Cytopathology

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https://www.readbyqxmd.com/read/27902883/metastatic-carotid-body-paraganglioma-of-lungs-and-lymph-nodes-unsuspected-diagnosis-on-ebus-tbna
#1
Kalpana Kumari, Deepali Jain, Rohit Kumar, Anant Mohan, Rakesh Kumar
Paragangliomas are tumors that originate from the extra-adrenal chromaffin and nonchromaffin cells of neural crest origin. Lymph node metastases are common, while distant metastases to lung, liver, and bone are rare events and usually occur in the presence of a long standing clinically evident primary tumor. Primary diagnosis of paraganglioma at a metastatic site without a known primary is a diagnostic challenge. We report a case of an adult woman with incidentally detected metastasis to bilateral lungs from an occult carotid body paraganglioma, which presented a cytopathological diagnostic dilemma on EBUS-TBNA from paratracheal lymph nodes...
November 30, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27900100/avoidance-of-unnecessary-fine-needle-aspiration-with-the-use-of-the-thyroid-imaging-reporting-data-system-classification-and-strain-elastography-based-on-the-bethesda-system-for-reporting-thyroid-cytopathology
#2
Murat Erkan, Sule Canberk, Gamze Z Kilicoglu, Mine Onenerk, Atay Uludokumaci, Pembegul Gunes, Tugba Atasoy
Thyroid fine-needle aspiration (FNA) biopsy has been widely accepted as an accurate and cost-effective tool in the management of thyroid nodules. To avoid unnecessary FNAs and provide appropriate management, patient evaluation should be based on a multidisciplinary approach. For this purpose, the Thyroid Imaging Reporting and Data System (TI-RADS) and strain elastography (SE) were proposed as tools for the risk assessment of malignancy in thyroid nodules. The aim of the present study was to analyze the utility of TI-RADS system and SE, along with FNA, and prospectively evaluate 369 consecutive patients referred for FNA of a thyroid nodule...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27897454/considerations-for-standardizing-predictive-molecular-pathology-for-cancer-prognosis
#3
Michelangelo Fiorentino, Marina Scarpelli, Antonio Lopez-Beltran, Liang Cheng, Rodolfo Montironi
Molecular tests that were once ancillary to the core business of cyto-histopathology are becoming the third most relevant workload in pathology departments after histopathology/cytopathology and before autopsies. This has resulted from innovations in molecular biology techniques, which have developed at an incredibly fast pace. Areas covered: Most of the current widely used techniques in molecular pathology such as FISH, direct sequencing, pyrosequencing, and allele-specific PCR will be replaced by massive parallel sequencing that will not be considered next generation, but rather, will be considered to be current generation sequencing...
November 29, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27893201/effects-of-tobacco-smoking-on-the-dorsum-of-the-tongue-and-buccal-epithelium
#4
Abdullah Faraj Al Shammari, Ibrahim Khalil AL Ibrahim, Amjad Ibrahim Alaauldeen, Randa Fouad Merza, Hussain Gadelkarim Ahmed
Objective: The aim of this study was to assess the effects of tobacco smoking on the dorsum of the tongue and buccal epithelium. Methodology: This case control cross-sectional study was conducted with 174 smoking and non-smoking volunteers living in the city of Hail, Northern KSA. Cytological Materials were obtained from buccal mucosa and dorsum of the tongue, and assessed using cytopathological methods. Results: In buccal smears, cytological atypia was observed in 17 out of 101 (16.8%) smoker cases but only 3/73(4...
January 10, 2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27889754/serous-cystadenoma-of-the-pancreas-potentials-and-pitfalls-of-a-preoperative-cytopathologic-diagnosis
#5
Mohammed T Lilo, Christopher J VandenBussche, Derek B Allison, Anne Marie Lennon, Bouchra K Younes, Ralph H Hruban, Christopher L Wolfgang, Syed Z Ali
OBJECTIVES: Pancreatic serous cystadenomas (SCAs) are benign tumors. Technological advances in imaging have led to increased recognition of asymptomatic pancreatic cysts, consequently increasing the demand for cytomorphologic evaluations of cyst fluid. STUDY DESIGN: A retrospective search through the pathology archives over an 11-year period was performed to identify SCAs from pancreatectomy specimens with a presurgical pancreatic EUS-guided fine-needle aspiration (FNA)...
November 26, 2016: Acta Cytologica
https://www.readbyqxmd.com/read/27889035/anal-dysplasia
#6
REVIEW
Craig A Messick, Miguel A Rodriguez-Bigas
Anal dysplasia is a cytopathology term describing specific squamous cell morphology and represents a varying degree of benign changes. Often a source of confusion, the current iteration includes two types, low-grade and high-grade, and carries significant clinical implications. This article updates readers on the current definition of anal dysplasia, describes its incidence and prevalence, defines high-risk populations, and highlights diagnostics, treatment, and long-term management strategies for patients with anal dysplasia...
January 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/27888661/use-of-vimentin-immunocytochemical-staining-for-evaluation-of-atypical-cells-in-voided-urine-samples
#7
Margareta Strojan Fležar, Irena Srebotnik-Kirbiš, Helena Gutnik
BACKGROUND: Cytomorphology of exfoliated atypical reactive/repair renal tubular cells (RRTC) can resemble atypical urothelial cells thus suggesting a differential diagnostic question of urothelial neoplasia in urinary cytology. Vimentin expression has been shown in RRTC and used for differentiation from atypical urothelial cells. METHODS: The institutional computer database was searched for urinary cytology cases with vimentin immunocytochemical staining (2008-2012)...
November 26, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27881589/metastatic-melanoma-after-23%C3%A2-years-of-primary-ocular-melanoma
#8
Supriya Ramesh Karde, Prashant Ramesh Bhand, Nagabathula Ramesh, Sacchin Arockiam
We describe a case of 52-year-old man who presented with an episode of tonic-clonic seizures. He had right ocular melanoma 23 years ago with subsequent enucleation which was the standard treatment at that time. CT scans of the brain and of the thorax-abdomen-pelvis revealed widespread metastatic lesions in the brain, lung and liver. Further investigations including bronchoscopy with cytopathology uncovered that the metastatic disease was a recurrence of ocular melanoma. He received palliative radiotherapy and died 6 months later...
November 23, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27878040/effect-of-contrast-media-on-urinary-cytopathology-specimens
#9
Sebastian Frees, Samir Bidnur, Michael Metcalfe, Peter Raven, Claudia Chavez-Munoz, Igor Moskalev, Ladan Fazli, Alan So
INTRODUCTION: Urological dogma dictates that washings collected from the urinary tract for cytological assessment must be performed without interference from contrast agents that may alter cellular integrity and diagnostic interpretation. In practice, the initial contrast used to outline the upper tracts is commonly discarded with subsequent saline washings sent for cytology. We hypothesize that contrast washings do not affect the morphology of urothelial carcinoma cells or the integrity of cytology interpretation...
August 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27873392/inside-this-month-s-cytopathology
#10
(no author information available yet)
No abstract text is available yet for this article.
December 2016: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/27845971/the-follicular-variant-of-papillary-thyroid-cancer-and-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-niftp
#11
Joseph Scharpf, Dipti Kamani, Peter M Sadow, Gregory W Randolph
PURPOSE OF REVIEW: Noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is a new terminology proposed for encapsulated follicular variant of papillary thyroid carcinoma (EFVPTC). Recently, thyroid cancer incidence has increased dramatically, without affecting related mortality rate. This increase is widely attributed to the intensified surveillance leading to a substantial increase in the diagnosis of small classic papillary thyroid cancers and EFVPTCs...
January 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/27842611/tau-pathology-in-aged-cynomolgus-monkeys-is-progressive-supranuclear-palsy-corticobasal-degeneration-but-not-alzheimer-disease-like-ultrastructural-mapping-of-tau-by-edx
#12
Toshiki Uchihara, Kentaro Endo, Hiromi Kondo, Sachi Okabayashi, Nobuhiro Shimozawa, Yasuhiro Yasutomi, Eijiro Adachi, Nobuyuki Kimura
Concomitant deposition of amyloid -beta protein (Aβ) and neuronal tau as neurofibrillary tangles in the human brain is a hallmark of Alzheimer disease (AD). Because these deposits increase during normal aging, it has been proposed that aging brains may also undergo AD-like changes. To investigate the neuropathological changes that occur in the aging primate brain, we examined 21 brains of cynomolgus monkeys (7-36 years old) for Aβ- and tau-positive lesions. We found, 1) extensive deposition of Aβ in brains of cynomolgus monkeys over 25 years of age, 2) selective deposition of 4-repeat tau as pretangles in neurons, and as coiled body-like structures in oligodendroglia-like cells and astrocytes, 3) preferential distribution of tau in the basal ganglia and neocortex rather than the hippocampus, and 4) age-associated increases in 30-34 kDa AT8- and RD4-positive tau fragments in sarkosyl-insoluble fractions...
November 14, 2016: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/27812445/relationship-between-azfc-deletions-and-testicular-histology-in-infertile-south-chinese-men-with-azoospermia-and-severe-oligospermia
#13
Quan Li, Ning-Hong Song, Wen-Zhou Cao, Qiang Shao, Jian-Jun Xie, Chao Liu, Ya-Min Wang, Hua Shen
BACKGROUND: The AZFc deletion has been associated with wide range of phenotypes including complete absence of germ cells in the testes (SCOS), reduction in germ cells hypospermatogenesis, and maturation arrest. The main objective of this study was to evaluate the relationship between AZFc microdeletions and testicular histology in South Chinese men with azoospermia or severe oligospermia. FINDINGS: 338 men presenting with idiopathic non-obstructive azoospermia or severe oligospermia were evaluated between March 2012 and April 2015...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27805843/diagnosis-and-management-of-small-thyroid-nodules-a-comparative-study-with-six-guidelines-for-thyroid-nodules
#14
Jung Hyun Yoon, Kyunghwa Han, Eun-Kyung Kim, Hee Jung Moon, Jin Young Kwak
Purpose To investigate the diagnostic performances of six guidelines used to assess thyroid nodules and to determine whether any of these guidelines identify cancers of aggressive form in this population. Materials and Methods From March 2007 to February 2010, 4696 thyroid nodules that were 1-2 cm in 4585 patients were diagnosed as benign or malignant on the basis of cytopathologic results. Ultrasonographic examinations of the thyroid nodules were retrospectively reviewed and categorized according to the categories defined by six previously published guidelines for thyroid nodules...
November 2, 2016: Radiology
https://www.readbyqxmd.com/read/27789025/can-thyroid-surgery-be-decided-based-on-ultrasonographic-findings-irrespective-of-cytopathological-findings-five-year-retrospective-study-in-a-district-general-hospital
#15
A A Elsayed, C Murdoch, S Murray, K Bashir
AIM: To evaluate whether thyroid surgery be decided based on ultrasonographic criteria of the nodule(s), irrespective of cytopathological findings. MATERIALS AND METHODS: The histopathological findings of resected thyroid lobes were retrospectively reviewed and the findings were compared with the preoperative ultrasonographic and cytopathological findings. RESULTS: The results suggest that the decision to operate on thyroid lesions based on suspicious sonographic findings was correct in a significant number of patients irrespective of the preoperative cytopathological findings...
October 24, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27788516/the-role-of-cytology-in-the-21st-century-the-integration-of-cells-and-molecules
#16
Christine Bergeron, Magnus von Knebel Doeberitz
OBJECTIVES: Cervical cancer screening test performance has been hampered by either a lack of sensitivity in Pap cytology or a lack of specificity of human papillomavirus (HPV) testing. This is disturbing for patients and a cause of high costs for health care providers. STUDY DESIGN: The identification of p16INK4a as a specific marker for the neoplastic transformation of cervical squamous epithelial cells by HPVs allows the identification of HPV-transformed cells in cytopathology specimens...
October 28, 2016: Acta Cytologica
https://www.readbyqxmd.com/read/27788511/the-bethesda-system-for-reporting-thyroid-cytopathology-ii
#17
Syed Z Ali, Edmund S Cibas
No abstract text is available yet for this article.
2016: Acta Cytologica
https://www.readbyqxmd.com/read/27775709/rna-binding-protein-cpeb1-remodels-host-and-viral-rna-landscapes
#18
Ranjan Batra, Thomas J Stark, Elizabeth Clark, Jean-Philippe Belzile, Emily C Wheeler, Brian A Yee, Hui Huang, Chelsea Gelboin-Burkhart, Stephanie C Huelga, Stefan Aigner, Brett T Roberts, Tomas J Bos, Shashank Sathe, John Paul Donohue, Frank Rigo, Manuel Ares, Deborah H Spector, Gene W Yeo
Host and virus interactions occurring at the post-transcriptional level are critical for infection but remain poorly understood. Here, we performed comprehensive transcriptome-wide analyses revealing that human cytomegalovirus (HCMV) infection results in widespread alternative splicing (AS), shortening of 3' untranslated regions (3' UTRs) and lengthening of poly(A)-tails in host gene transcripts. We found that the host RNA-binding protein CPEB1 was highly induced after infection, and ectopic expression of CPEB1 in noninfected cells recapitulated infection-related post-transcriptional changes...
October 24, 2016: Nature Structural & Molecular Biology
https://www.readbyqxmd.com/read/27772833/experience-of-korean-mongolian-international-joint-workshops-on-pathology-and-cytopathology-since-2007
#19
Gheeyoung Choe, Shin Kwang Kang, Kun-Young Kwon, Hankyeom Kim, An Hee Lee, Jae-Bok Park, Kyu-Rae Kim, Sung Ran Hong, Soon-Hee Jung, Seung Yeon Ha, Changwon Ha, Mee Sook Noh, Sanghan Lee, No Won Park, Kee Hong Kim, Seok Joong Yong, Moo Yeol Yoon, Seung Min Jeon, Dae Young Kang, Chang Suk Kang, Ji Yeon Kim, Jihun Kim, Chul Hwan Kim, Han Sung Kim, Yong-Koo Park, Kyung-Rak Sohn, Jin Hee Sohn, Sun Hee Sung, Eunsil Yu, Changyoung Yoo, Kyi Beom Lee, Jae Hyuk Lee, Ji Shin Lee, Kyung-Ja Cho, Jin Sook Jeong, Eun Kyung Hong
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27766918/endobronchial-ultrasound-guided-transbronchial-needle-aspiration-rinse-fluid-polymerase-chain-reaction-in-the-diagnosis-of-intrathoracic-tuberculous-lymphadenitis
#20
Viboon Boonsarngsuk, Siriwan Saengsri, Pitak Santanirand
BACKGROUND: Intrathoracic tuberculous (TB) lymphadenitis is a diagnostic challenge to the clinician. Although endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) can obtain a sample from the affected lymph node, the diagnosis of TB lymphadenitis by cytopathology remains inaccurate. OBJECTIVE: To evaluate the efficacy of EBUS-TBNA rinse fluid TB polymerase chain reaction (PCR) assay for the diagnosis of intrathoracic TB lymphadenitis. METHODS: A retrospective study was conducted on 102 patients who underwent EBUS-TBNA for diagnostic evaluation of intrathoracic lymphadenopathy...
October 21, 2016: Infectious Diseases
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