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Annals of Diagnostic Pathology

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https://www.readbyqxmd.com/read/28888331/hamartia-in-hippocampal-sclerosis-associated-mesial-temporal-lobe-epilepsy
#1
REVIEW
K L Gawelek, J M Gales, R A Prayson
Hamartia are small collections of rounded glioneuronal cells that are thought to be due to aberrant cell migration. Their presence has been recognized in association with mesial temporal lobe epilepsy; their prevalence among cases of hippocampal sclerosis (HS) and any potential association with patient demographics and outcomes is unknown. This study examines hamartia in a series of 292 patients with pathologically confirmed HS. Medical records were reviewed for pertinent patient clinical information (follow-up mean 5years)...
September 6, 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965630/expression-of-dog1-in-low-grade-fibromyxoid-sarcoma-a-study-of-19-cases-and-review-of-the-literature
#2
Ana Vallejo-Benítez, Enrique Rodríguez-Zarco, Sara Pabón Carrasco, Sofia Pereira-Gallardo, Javier Brugal Molina, Antonio García-Escudero, Antonio Robles Frías, David Marcilla, Ricardo González-Cámpora
DOG1 is a highly-sensitive marker often included in the immunohistochemical panel for the diagnosis of gastrointestinal stromal tumors (GISTs). Recent research has shown that DOG1 may also be expressed by low-grade fibromyxoid sarcomas (LGFMSs); this may give rise to diagnostic error when the sarcoma is located in the abdominal cavity. This paper reports on immnohistochemical expression of DOG1 in 19 LGFMSs using two different monoclonal antibodies: K9 (Leica, Novocastra Laboratories, Newcastle upon Tyne, UK) and SP31 (Thermo Scientific, Freemont, USA)...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965629/cd30-t-cell-enriched-primary-cutaneous-cd4-small-medium-sized-pleomorphic-t-cell-lymphoma-a-distinct-variant-of-indolent-cd4-t-cell-lymphoproliferative-disease
#3
REVIEW
Cynthia M Magro, Luke C Olson, Clifton G Fulmer
Primary cutaneous CD4+ small/medium sized pleomorphic T-cell lymphoma (SMPTCL) is unique among the peripheral T-cell lymphomas because of its indolent nature, typically presenting as a solitary nodule or plaque in the head and neck area of middle-aged and older adults. Recent studies have suggested a follicular helper cell origin for these lesions. MATERIALS AND METHODS: A retrospective review was conducted on all cases of SMPTCL diagnosed between 2008 and 2017. The goal of our study was to better categorize the clinical, pathologic and molecular features of cases of SMPTCL showing a significant degree of CD30 neoplastic large cell infiltration...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965628/cyclin-d1-is-significantly-associated-with-stage-of-tumor-and-predicts-poor-survival-in-endometrial-carcinoma-patients
#4
Mohamad Nidal Khabaz, Amer Shafie Abdelrahman, Nadeem Shafique Butt, Basim Al-Maghrabi, Jaudah Al-Maghrabi
Cyclin D1 overexpression has been described to have oncogenic role and association with diagnosis, prognosis and survival in various tumors. This study will describe the immunohistochemical phenotype of cyclin D1, and investigate the correlation between these patterns of expression and clinicopathological parameters of endometrial carcinomas, to conclude the clinical relevance of cyclin D1 expression in the evolution of endometrial neoplasms. This study employed 101 endometrial tissue samples which include 71 endometrial carcinomas and thirty normal and benign endometrium cases...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965627/dedifferentiated-chondrosarcoma-of-the-larynx-radiological-gross-microscopic-and-clinical-features
#5
Kelly R Magliocca, Mark A Edgar, Amanda Corey, Craig R Villari
Laryngeal chondrosarcoma is an uncommon malignancy with a predilection for the cricoid cartilage of adult male patients. Although rare, identification of aggressive chondrosarcoma variants, such as dedifferentiated chondrosarcoma (DDCS) may influence preoperative patient counseling, definitive surgical management, potential implementation of post-operative adjuvant therapy and prognosis. Herein we describe clinical and imaging features of laryngeal DDCS, the unique perspective of fresh and formalin fixed macroscopic examination, a spectrum of histopathologic findings, and detail the full course of the patient's disease...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965626/establishing-fascin-over-expression-as-a-strategic-regulator-of-neoplastic-aggression-and-lymph-node-metastasis-in-oral-squamous-cell-carcinoma-tumor-microenvironment
#6
Samapika Routray, Supriya Kheur, Hemlata M Chougule, Neeta Mohanty, Rupesh Dash
INTRODUCTION: Oral squamous cell carcinoma (OSCC) has an aggressive behaviour with high incidence of nodal metastasis, even in the early stages, leading to poor prognosis. For progression and metastasis of cancers, the dominant element considered is cell motility. Fascin, an actin-binding protein has emerged as a protein of general importance for a diverse set of cell protrusions with functions in cell adhesion, cell interactions, and cell migration. The role of Fascin in various carcinomas, including aggressive behaviour in OSCC has been documented, but its role as a key regulator in lymph nodes metastasis is yet to be validated...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965625/immunohistochemical-expression-of-p53-and-c-myc-at-the-invasive-front-of-oral-squamous-cell-carcinoma-and-its-relation-with-clinicopathologic-characteristics
#7
Pragati Rai, Swetha Acharya, Amsavardani Tayaar, Jyoti Kale, Kaveri Hallikeri
No abstract text is available yet for this article.
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965624/utility-of-different-immunostains-for-diagnosis-of-metastatic-breast-carcinomas-in-both-surgical-and-cytological-specimens
#8
Yanjun Hou, Rulong Shen, Shweta Chaudhary, Dena Tonkovich, Zaibo Li
OBJECTIVE: A panel of immunostains is usually performed to confirm a metastatic carcinoma origin. GATA3 is a transcription factor and has been proven to be a useful marker for breast carcinoma. Other immunostains including mammaglobin (MGB), gross cystic disease fluid protein 15 (GCDFP-15), estrogen receptor (ER) and progesterone receptor (PR) are also used in diagnosing metastatic breast cancer. In this study, we aimed to compare the performance of these immunostains in the work up of metastatic breast carcinoma in both surgical and cytological specimens...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965623/histological-immunohistochemical-features-and-pathogenesis-of-pseudoangiosarcomatous-urothelial-carcinoma
#9
Pelin Yıldız, Kemal Behzatoğlu, Ezgi Hacıhasanoğlu, Oğuzhan Okcu, Haydar Durak, Uğur Yücetaş
No abstract text is available yet for this article.
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965622/chronic-inflammation-in-refractory-hippocampal-sclerosis-related-temporal-lobe-epilepsy
#10
REVIEW
Jordan M Gales, Richard A Prayson
Emerging evidence suggests chronic inflammation may play a role in hippocampal sclerosis-associated temporal lobe epilepsy. We sought to systematically evaluate for its presence in a group of 315 patients who underwent surgery for medically-refractory epilepsy and who had hippocampal sclerosis. Upon histologic review of hematoxylin and eosin stained tissue sections, 95 (41%) cases demonstrated the presence of lymphocytes within the perivascular region and diffusely within the brain parenchyma. Those cases with chronic inflammation evident on hematoxylin and eosin staining were significantly more likely to experience a post-operative seizure recurrence than those without it (p=0...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28965621/expression-of-prb-ki67-and-her-2-neu-in-gastric-carcinomas-relation-to-different-histopathological-grades-and-stages
#11
Azza Abdel-Aziz, Rehab Allah Ahmed, Afaf Taha Ibrahiem
Gastric carcinoma is one of the aggressive malignancies with poor prognosis. The expression of pRb, Ki67, Her-2 in relation to tumor grade and stage in gastric carcinoma still needs more exploration. This study was performed aiming to study the immunohistochemical expression of altered retinoblastoma encoding protein (pRb), Ki67 and Her-2 in gastric carcinoma and to investigate their clinical and pathological significance. We studied tumor tissue specimens from 48 patients with gastric carcinoma. Paraffin sections were submitted for immunohistochemistry using pRb, Ki67 and Her-2...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28302385/primary-cutaneous-interdigitating-dendritic-cell-sarcoma-is-a-morphologic-and-phenotypic-simulator-of-poorly-differentiated-metastatic-melanoma-a-report-of-2-cases-and-review-of-the-literature
#12
REVIEW
Cynthia M Magro, Luke C Olson, Gerard Nuovo, Garron J Solomon
Interdigitating dendritic cell sarcoma (IDS) is a rare form of hematologic malignancy associated with an aggressive clinical course. Only 4 prior cases have been described as originating in the skin. We encountered two male patients ages 47 and 61years of age who presented with solitary cutaneous neoplasms diagnosed as IDS. Histologic exam showed a coalescing nested and multinodular proliferation of large pleomorphic epithelioid cells. In one case an initial diagnosis of melanoma was rendered. A recurrence 8months later was then interpreted as a primary cutaneous IDS...
October 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807346/application-of-a-time-resolved-fluoroimmunoassay-for-detection-of-p16ink4a-in-cervix
#13
Li Ding, Qiong Chen, Wanting Fan, Xianjin Zou
OBJECTIVE: To establish a time-resolved fluoroimmunoassay (TRFIA) method to detect p16INK4a. METHODS: 119 cases of exfoliative cells following Thinprep cytologic test (TCT) test were selected for TRFIA and biopsy tissues of these patients according to TCT results were collected for immunohistochemical (IHC) staining. RESULTS: There were 40 cases with cervicitis, 16 cases of cervical intraepithelial neoplasia grade 1 (CIN1), 15 cases of CIN2, 26 cases of CIN3, and 22 cases of squamous cell carcinoma (SCC)...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807345/ampk-expression-patterns-are-significantly-associated-with-poor-prognosis-in-breast-cancer-patients
#14
Jaudah Al-Maghrabi, Kaltoom Al-Sakkaf, Imtiaz Ahmad Qureshi, Nadeem Shafique Butt, Lila Damnhory, Mohamed Elshal, Basim Al-Maghrabi, Alia Aldahlawi, Sawsan Ashoor, Barry Brown, Pauline Dobson, Mohamad Nidal Khabaz
Many investigators have examined the functions of AMP-activated protein kinase (AMPK) in cancer biology and its anti-neoplastic features in cancer models. The goal of this research is to assess the association of the immunohistochemical expression of AMPK in human mammary tumours with the clinical data of breast cancer patients. 449 cases of previously diagnosed breast cancer, and 27 tissue samples of fibroadenomas and normal breast were utilized for detection of AMPK expression using tissue microarrays and immunohistochemistry...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807344/pituicytoma-review-of-commonalities-and-distinguishing-features-among-ttf-1-positive-tumors-of-the-central-nervous-system
#15
REVIEW
Siba El Hussein, Cristina Vincentelli
Pituicytoma is a rare low-grade glial neoplasm that originates in the distribution of the neurohypophysis, including the posterior pituitary lobe and infundibular stalk. The tumor cells resemble pituicytes, which are specialized glial cells of the neurohypophysis. Pituicytoma can be misdiagnosed pre-operatively as a pituitary adenoma due to overlapping clinical and neuroimaging features between these two entities. Pituicytoma can also mimic other neoplasms of the sellar and parasellar regions microscopically - meningioma, schwannoma and pilocytic astrocytoma - and shares immunohistochemical expression of TTF-1 with spindle cell oncocytoma and granular cell tumor of the sellar region, suggesting a common histogenesis...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807343/anisometric-cell-lipoma-insight-from-a-case-series-and-review-of-the-literature-on-adipocytic-neoplasms-in-survivors-of-retinoblastoma-suggest-a-role-for-rb1-loss-and-possible-relationship-to-fat-predominant-fat-only-spindle-cell-lipoma
#16
Abbas Agaimy
The term "anisometric cell lipoma" (ACL) has been proposed recently by Evans for a lipoma variant characterized by striking variation in size and shape of adipocytes but little or no cytological atypia. One patient with multiple ACL had a history of retinoblastoma. The current study analyzed six patients with ACL (4 males and two females aged 34 to 87years; median, 58); all seen in consultation. Five patients presented with solitary and one with multiple subcutaneous masses measuring 5 to 9cm (median, 7.5cm)...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807342/accuracy-and-interobserver-agreement-of-retroareolar-frozen-sections-in-nipple-sparing-mastectomies
#17
David A Suarez-Zamora, Luis E Barrera-Herrera, Mauricio A Palau-Lazaro, Fabio Torres-Franco, Alejandro Orozco-Plazas, Lisette Barreto-Hauzeur, Paula A Rodriguez-Urrego
In the last decades, surgical treatment of breast cancer has enormously changed. As a result, nipple-sparing mastectomy (NSM) has evolved as an oncologically safe and cosmetic approach. NSM includes a subareolar frozen section to evaluate malignancy. We determined the accuracy of subareolar frozen section diagnosis, analyzed the discrepancy factor, and estimated the interobserver agreement of frozen section in NSM. A retrospective review of all NSMs at our institution from 2009 to 2015 was performed. Frozen sections were compared to the final diagnoses to analyze the accuracy of subareolar frozen sections...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807341/ultrastructural-examination-of-skin-biopsies-may-assist-in-diagnosing-mitochondrial-cytopathy-when-muscle-biopsies-yield-negative-results
#18
John L McAfee, Christine B Warren, Richard A Prayson
Ultrastructural evaluation of skin biopsies has been utilized for diagnosis of mitochondrial disease. This study investigates how frequently skin biopsies reveal mitochondrial abnormalities, correlates skin and muscle biopsy findings, and describes clinical diagnoses rendered following the evaluation. A retrospective review of surgical pathology reports from 1990 to 2015 identified skin biopsies examined by electron microscopy for suspected metabolic disease. A total of 630 biopsies were included from 615 patients...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807340/unusual-locations-of-hydatid-disease-a-10-year-experience-from-a-tertiary-reference-center-in-western-turkey
#19
Eylul Gun, Demet Etit, Dilara O Buyuktalanci, Fulya Cakalagaoglu
INTRODUCTION: Hydatid disease is an endemic parasitic infection caused by Echinococcus granulosus mostly seen in the Mediterranean countries. The most affected organ is the liver, however hydatidosis can be found anywhere in the human body. METHODS: The records of patients who were diagnosed with hydatid disease in our hospital from December 2005 to February 2016 were analyzed retrospectively. The cases were evaluated and recorded depending on their gender, age and the localization of the cysts...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807339/primary-collision-tumors-of-the-kidney-composed-of-oncocytoma-and-papillary-renal-cell-carcinoma-a-review
#20
REVIEW
Zulfia McCroskey, Sue J Sim, Andrew A Selzman, Alberto G Ayala, Jae Y Ro
BACKGROUND: There are well known cases of hybrid tumors of chromophobe renal cell carcinoma (RCC) and oncocytoma in kidney, where both tumors have the same cell of origin - intercalated cell of the collecting duct. However, collision tumors composed of neoplasms originating from different cell lineages such as oncocytoma and papillary RCC are extremely rare. Herein, we made a collective literature review of reported cases of collision tumors composed of oncocytoma and papillary RCC, adding a case that we recently experienced...
August 2017: Annals of Diagnostic Pathology
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