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Annals of Diagnostic Pathology

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https://www.readbyqxmd.com/read/29395466/diagnostic-difficulties-in-cases-of-papillary-urothelial-neoplasm-of-low-malignant-potential-urothelial-proliferation-of-uncertain-malignant-potential-urothelial-dysplasia-and-urothelial-papilloma-a-review-of-current-literature
#1
REVIEW
Damian Jaworski, Łukasz Szylberg, Arkadiusz Gzil, Peter Stawinski, Anna Kasperska, Andrzej Marszałek
Tumours of the urinary tract are the fifth most frequent type of cancer. The most common types are urothelial tumours, among which, non-invasive urothelial neoplasms represent 45% of all cases. The 2016 WHO classification of urinary tract tumours introduced new classifications of non-invasive lesions. Besides urothelial papilloma (UP) and papillary urothelial neoplasm of low malignant potential (PUNLMP), as described in the former classification, the new classification also includes new entities such as urothelial proliferation of uncertain malignant potential (UPUMP) and urothelial dysplasia (UD)...
December 17, 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414400/primary-cutaneous-histiocytic-sarcoma-a-report-of-five-cases-with-primary-cutaneous-involvement-and-review-of-the-literature
#2
Cynthia M Magro, Najiyah Kazi, Aimee E Sisinger
INTRODUCTION: Histiocytic sarcoma is an extremely rare hematologic malignancy of histiocytic origin. Five cases of primary cutaneous histiocytic sarcoma are presented. MATERIALS AND METHODS: Cases of primary cutaneous histiocytic sarcoma were identified using a natural language search from the dermatopathology data base of Cornell University. RESULTS: There was a male predominance (4 males and 1 female) ranging in age from 33years to 92years (mean age of 73years); all presented with a solitary nodule which involved the head and neck area in four and thigh in one...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414399/goblet-cell-carcinoid-of-the-appendix-an-interobserver-variability-study-using-two-proposed-classification-systems
#3
Chelsea Maedler, Thomas Arnason, Alastair Dorreen, Heidi Sapp, Mathieu Castonguay, Joanne Murphy, Sorin Selegean, Weei-Yuarn Huang
Goblet cell carcinoid (GCC) is an uncommon tumor of the vermiform appendix. Due to a broad spectrum of morphological differentiation, subclassification and grading of GCCs remains an area of controversy. Two separate systems have proposed classifying GCC tumors into three (classical GCC; adenocarcinoma ex-GCC, signet ring cell type; adenocarcinoma ex-GCC, poorly differentiated carcinoma type) OR two subgroups (low and high grade GCC) based on morphological criteria. We independently compared the inter-observer variability associated with each classification system...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414398/use-of-cd42b-immunohistochemical-stain-for-the-detection-of-histoplasma
#4
Nam K Ku, Sheeja T Pullarkat, Young S Kim, Liang Cheng, Dennis O'Malley
In pathologic specimen, Histoplasma capsulatum can frequently be identified by morphology and special stains such as GMS and PAS. Incidentally, we noted unusual staining of the platelet associated marker CD42b/GP1b expressed on the surface of fungal organisms. Evaluation of additional cases demonstrated that a majority of histoplasmosis cases (15/18 cases; 83%) showed positive staining with CD42b/GP1b, comparable to GMS stain results. Other platelet associated markers such as Factor VIII and CD61 showed no or rare expression (1/18 cases with Factor VIII)...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414397/colorectal-signet-ring-cell-carcinoma-influence-of-egfr-e-cadherin-and-mmp-13-expression-on-clinicopathological-features-and-prognosis
#5
Abd Al-Rahman Mohammad Foda, Azza Abdel Aziz, Mie Ali Mohamed
Signet ring cell carcinoma (SRCC) is unique rare subtype of mucin-producing colorectal adenocarcinoma characterized by presence of signet ring cells, in >50% of the tumor tissue. This study aims to investigate expression of EGFR, E-cadherin and MMP-13 expression on clinicopathological features of signet ring cell type and its prognostic effect using manual tissue microarray technique. In this work, we studied tumor tissue specimens from 150 patients with colorectal cancer cases among which 19 cases of SRCC...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414396/increased-cd105-expression-is-associated-with-disease-progression-in-phyllodes-tumors-a-report-of-a-borderline-phyllodes-tumor-with-lung-metastases-and-a-study-of-54-phyllodes-tumors
#6
Kangyu Wang, Qianhua Li, Ranran Shi, Dandan Yang, Wenlu Zou, Kun Mu
No abstract text is available yet for this article.
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414395/nuclear-features-of-papillary-thyroid-carcinoma-comparison-of-core-needle-biopsy-and-thyroidectomy-specimens
#7
Jae Yeon Seok, Jungsuk An, Hyun Yee Cho, Younghye Kim, Seung Yeon Ha
BACKGROUND: Core needle biopsy (CNB) has been used as an alternative or a complementary method for diagnosis of thyroid nodules. However, morphological analysis of the nuclear features of papillary thyroid carcinoma (PTC) cells obtained via CNB remains unclear. Hence, we examined the differences between the PTC nuclear features in CNB and thyroidectomy specimens. METHODS: Ten PTC patients, who underwent both CNB and thyroidectomy, were selected. Microscopic photographs of three representative areas of the PTC and adjacent parenchyma were taken...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414394/importin-%C3%AE-and-exportin-5-are-strong-biomarkers-of-productive-reoviral-infection-of-cancer-cells
#8
Gerard Nuovo, Hue Tran, Andres Gutierrez, Paolo Fadda, Flavia Pichiorri, Enrico Caserta, Craig C Hofmeister, Marta Chesi, P Leif Bergsagel, Don Morris, Qiao Shi, Matt Coffey, Chandini Thirukkumaran
Acute reoviral infection has been extensively studied given the virus's propensity to target malignant cells and activate caspase-3 mediated apoptosis. Reovirus infection of malignant N1E-115 mouse neuroblastoma cells led to significant increased expression of importin-β and exportin-5 mRNAs (qRTPCR) and proteins (immunohistochemistry) which was partially blocked by small interfering LNA oligomers directed against the reoviral genome. Co-expression analysis showed that the N1E-115 cells that contained reoviral capsid protein had accumulated importin-β and exportin-5, as well as activated caspase 3...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414393/complete-sequence-of-the-atp6-and-nd3-mitochondrial-genes-in-breast-cancer-tissue-of-postmenopausal-women-with-different-body-mass-indexes
#9
Mónica Martínez-Ramírez, Ramón Mauricio Coral-Vázquez, Alberto Tenorio, Juan Pablo Méndez, Jesús Benítez-Granados, Antonio Maffuz Asis, Sergio Rodríguez Cuevas, Carlos Domínguez Reyes, Aura Erazo-Valle, Patricia Canto
Due to the fact that mitochondrial defects and oxidative stress have been related with obesity and breast cancer is more aggressive in women with obesity, we investigated if postmenopausal Mexican-Mestizo women with breast cancer presented somatic mutations in the sequence of the ATP6 and/or ND3 genes. Twenty one postmenopausal Mexican-Mestizo women with breast cancer who underwent mastectomy or breast conserving surgery were studied. Height and weight were used to calculate body mass index. DNA from tumor tissue samples and blood leukocytes was amplified by polymerase chain reaction and sequenced the ATP6 and ND3 mitochondrial genes...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414392/spatial-distribution-of-osteopontin-cd44v6-and-podoplanin-in-the-lining-epithelium-of-odontogenic-keratocyst-and-their-biological-relevance
#10
Khamisah Awang Kechik, Chong Huat Siar
BACKGROUND AND AIMS: The odontogenic keratocyst (OKC) remains the most challenging jaw cyst to treat because of its locally-aggressive behaviour and high recurrence potential. Emerging evidence suggests that osteopontin, its receptors CD44v6 and integrin αv, and podoplanin, have a role in the local invasiveness of this cyst. However the spatial distribution characteristics of these pro-invasive markers in the lining epithelium of OKC, and their association with the clinicopathologic parameters of OKC are largely unexplored...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414391/increased-expression-of-importin-%C3%AE-exportin-5-and-nuclear-transportable-proteins-in-alzheimer-s-disease-aids-anatomic-pathologists-in-its-diagnosis
#11
Gerard Nuovo, Vicky Amann, James Williams, Paige Vandiver, Maria Quinonez, Paolo Fadda, Bernard Paniccia, Louisa Mezache, Adel Mikhail
Understanding the metabolic profile of neurons with the hyperphosphorylated tau protein characteristic of Alzheimer's disease is essential to unraveling new potential therapies and diagnostics for the surgical pathologist. We stratified 75 brain tissues from Alzheimer's disease into hyperphosphorylated tau positive or negative and did co-expression analyses and qRTPCR for importin-β and exportin-5 plus several bcl2 family members and compared the data to controls, Down's dementia and Parkinson's disease. There was a significant increase in the expression of importin-β and exportin-5 in Alzheimer's disease relative to the three other categories (each p value<0...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29414390/primary-jejunal-interdigitating-dendritic-cell-sarcoma
#12
LETTER
Francesco Guerra, Alessandra Vegni, Federico Perna, Luca Messerini, Andrea Coratti
No abstract text is available yet for this article.
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146062/three-cases-of-adrenocortical-tumors-mistaken-for-hepatocellular-carcinomas-diagnostic-pitfalls-and-differential-diagnosis
#13
Won Young Park, Hyung Il Seo, Kyung Un Choi, Ahrong Kim, Young Keum Kim, So Jeong Lee, Chang Hun Lee, Gi Yeong Huh, Do Youn Park
Adrenocortical adenomas and carcinomas in other parenchyma are extremely rare, with few cases reported and because of the rarity of these tumors, they occasionally cause problems during diagnosis. Adrenal cortical neoplasms in liver parenchyma can be present in 3 forms, including direct invasion or adhesion to liver parenchyma, tumors arising in adrenohepatic fusion tissue or in ectopic adrenal gland tissue. We report 3 cases of adrenal cortical tumors that were misdiagnosed as hepatocellular carcinoma in the preoperative state...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146061/sarcoid-like-granulomas-in-renal-cell-carcinoma-the-houston-methodist-hospital-experience
#14
Komal Arora, Mukul K Divatia, Luan Truong, Steven S Shen, Alberto G Ayala, Jae Y Ro
Sarcoid-like (SL) granulomas have been previously described in association with malignant tumors. These granulomas appear to be tumor-related but are not indicative of systemic sarcoidosis, and hence are referred to as SL reactions. These SL reactions can be seen within the primary tumor, its vicinity, or in uninvolved sites such as the spleen, bone marrow, skin, and/or regional lymph nodes draining the tumor. It is a widely held view that SL granulomas are caused by soluble antigenic factors, shed by tumor cells or released due to tumor necrosis...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146060/clinicopathologic-correlation-of-programmed-death-ligand-1-expression-in-non-small-cell-lung-carcinomas-a-report-from-india
#15
Archana George Vallonthaiel, Prabhat Singh Malik, Varsha Singh, Vinay Kumar, Sunil Kumar, Mehar Chand Sharma, Sandeep Mathur, Sudheer Arava, Randeep Guleria, Deepali Jain
INTRODUCTION: Increased expression of Programmed death ligand-1 (PD-L1) on cancer cells and immune cells predict response to PD-1/PDL1 inhibitors. Data regarding frequency and pattern of PD-L1 expression in NSCLC from India is not available. OBJECTIVES: To analyse PD-L1 expression on tumour cells (TC) and immune cells (IC) and to correlate PD-L1 expression with baseline clinico-pathological characteristics, oncogenic drivers and outcome data. MATERIALS AND METHODS: PD-L1 expression on tumour cells and immune cells was analysed...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146059/oral-lymphomatoid-papulosis-type-c-a-diagnostic-pitfall-often-confused-with-t-cell-lymphoma
#16
Ziv Schwartz, Morton Coleman, Jennifer P Toyohara, Paul D Freedman, Cynthia M Magro
Eosinophilic ulcer of the oral mucosa (EUOM) is a rare, benign, self-resolving lymphoproliferative disorder, which typically presents with asymptomatic to mildly tender ulcers. Histological findings of EUOM are characterized by a polymorphic infiltrate with many eosinophils often extending into the underlying muscle. Although this entity is well documented within the dental literature, it is not well known to physicians. The pathogenesis of the condition is unclear, although reports dating back to 1997 suggest that at least a subset of EUOM represents CD30 positive lymphoproliferative disorder (CD30+ LPD)...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146058/methylation-associated-silencing-of-sfrp1-gene-in-high-grade-serous-ovarian-carcinomas
#17
Vedran Kardum, Valentina Karin, Mislav Glibo, Anita Skrtic, Tamara Nikuseva Martic, Nermina Ibisevic, Faruk Skenderi, Semir Vranic, Ljiljana Serman
Wnt is a highly conserved signaling pathway responsible for tissue regeneration, maintenance and differentiation of stem cells in adults. Its aberrant activation through reduced expression of Wnt signaling pathway inhibitors, such as proteins from the SFRP family, is commonly seen in many tumors. In the present study we explored SFRP1 protein expression using immunohistochemistry in 11 low-grade serous ovarian carcinomas (LGSC), 42 high-grade serous ovarian carcinomas (HGSC), and 5 normal ovarian tissues (controls)...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146057/role-of-angiogenesis-in-colorectal-carcinomas-using-vegf-and-bcl2-an-ihc-study
#18
Anjaneyulu Vasala, Haripreetha Nair, T Subramanyeshwar Rao, S Sudha Murthy, Ravindranath Tagore, Faiq Ahmed
No abstract text is available yet for this article.
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146056/comparison-of-her2-status-determination-methods-in-her2-2-patients-manual-fluorescent-in-situ-hybridization-fish-vs-dual-silver-enhanced-in-situ-hybridization-sish
#19
Burcin Pehlivanoglu, Gurdeniz Serin, Levent Yeniay, Osman Zekioglu, Erhan Gokmen, Necmettin Ozdemir
HER2 amplification has been demonstrated in 15-25% of invasive breast carcinomas and can be assessed using immunohistochemical and in situ hybridization methods. Here, we compared the accuracy of dual SISH to manual FISH in HER2 (2+) breast carcinoma and evaluated the feasibility of dual SISH method in routine practice. Sixty HER2 (2+) consecutive tumor samples diagnosed between January 2009 and February 2013 were selected. Demographic, histological and immunohistochemical features and FISH results were recruited from patient records and compared to dual SISH results...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29146055/imp3-contributes-to-poor-prognosis-of-patients-with-metaplastic-breast-carcinoma-a-clinicopathological-study
#20
Ryuji Ohashi, Maoka Sangen, Shigeki Namimatsu, Hiroyuki Takei, Zenya Naito
Metaplastic breast carcinoma (MBC) is a rare type of tumor with heterogenous histological patterns. We investigated the immunohistochemical expression of IMP3, an oncofetal protein, in 31 MBC patients in association with histological subtypes and clinical outcomes. The cohort consisted of spindle cell carcinoma (SPC) (n=11), squamous cell carcinoma (SCC) (n=14), matrix-producing carcinoma (MPC) (n=4), carcinoma with osteocartilaginous elements (COC) (n=1), and low grade adenosquamous cell carcinoma (ASC) (n=1)...
December 2017: Annals of Diagnostic Pathology
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