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Annals of Diagnostic Pathology

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https://www.readbyqxmd.com/read/28209236/epithelial-downgrowth-report-of-2-cases-diagnosed-by-ocular-biopsy
#1
REVIEW
Hershel R Patel, Curtis E Margo
Epithelial downgrowth is an uncommon complication of ocular surgery or adverse consequence of accidental trauma, caused by surface squamous epithelium that has gained access to the inner compartments of the eye. Once embedded in the eye, squamous epithelium spreads over contiguous structures, interfering with normal aqueous outflow and vision. The pursuit of improved therapies is ongoing, but the greatest chance of preventing blindness is with early recognition. Two cases of epithelial downgrowth diagnosed from a corneal button and an iris biopsy are presented to familiarize pathologists with this disorder...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038714/gastric-mucosal-status-susceptible-to-lanthanum-deposition-in-patients-treated-with-dialysis-and-lanthanum-carbonate
#2
Shinichi Ban, Syunji Suzuki, Kenji Kubota, Susumu Ohshima, Hideaki Satoh, Hiroki Imada, Yoshihiko Ueda
Lanthanum carbonate is a popular chemical which is administered for patients with end-stage kidney disease to reduce the absorption of phosphate, and lanthanum deposition in the gastroduodenal mucosa has recently been reported. The aim of this study was to assess whether any histologic changes of the gastric mucosa are related to the deposition of lanthanum. Twenty-four patients who revealed the histology of lanthanum deposition on gastroduodenal biopsy between 2011 and 2014 were included in the study, and their clinical records and gastroduodenal biopsies obtained from 2011 to 2015 were reviewed, adding the review of gastroduodenal biopsies before 2011 if possible...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038713/expression-of-lef1-in-mantle-cell-lymphoma
#3
Dennis P O'Malley, John P Lee, Andrew M Bellizzi
Small lymphocytic lymphoma/chronic lymphocytic leukemia (CLL/SLL) and mantle cell lymphoma (MCL) usually are distinctly different in regard to clinical presentation, morphology, immunophenotype and molecular/genetic findings. In spite of this, select cases may show overlapping characteristics and represent a diagnostic challenge. Recently LEF1 staining was identified as a fairly characteristic finding in CLL/SLL, with positivity identified in up to 95% of cases. LEF1 staining has not been reported as being present in cases of MCL, making this stain a useful tool in distinguishing these diagnoses...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038712/heat-shock-proteins-hsp90-hsp70-and-grp78-expression-in-medullary-thyroid-carcinoma
#4
Ethan Soudry, Sagit Stern Shavit, Britta Hardy, Sarah Morgenstern, Tuvia Hadar, Raphael Feinmesser
BACKGROUND: Medullary thyroid carcinoma management consists mainly of surgical resection and is largely chemoresistant. There is ongoing effort to discover novel therapies for medullary thyroid carcinoma. Increased levels of heat shock proteins have been associated with multiple cancers and are being studied as potential therapeutic targets. The purpose of this study was to determine the expression levels of heat shock proteins 90 and 70 and of glucose related protein 78 in medullary thyroid carcinoma tissues compared with normal thyroid tissues...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038711/smarca4-and-smarca2-deficiency-in-non-small-cell-lung-cancer-immunohistochemical-survey-of-316-consecutive-specimens
#5
Esther Herpel, Ralf J Rieker, Hendrik Dienemann, Thomas Muley, Michael Meister, Arndt Hartmann, Arne Warth, Abbas Agaimy
The chromatin remodeling switch sucrose nonfermentable (SWI/SNF) complex has been increasingly implicated in the pathogenesis and dedifferentiation of neoplasms from several organs with prognostic and potential therapeutic implications. We herein investigated the expression of the SWI/SNF complex catalytic subunits SMARCA4 (BRG1) and SMARCA2 (BRM) in 316 consecutive non-small cell lung cancer (NSCLC) specimens on tissue microarrays (171 adenocarcinomas [ADCAs], 130 squamous cell carcinomas [SCCs], 9 adenosquamous carcinomas, and 6 large cell carcinomas) excluding undifferentiated/giant cell or rhabdoid carcinomas...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038710/differentiated-squamous-intraepithelial-lesion-dsil-like-changes-in-the-epidermis-overlying-anogenital-melanocytic-nevi-a-diagnostic-pitfall
#6
Kvetoslava Michalova, Dmitry V Kazakov, Michael Michal, Ladislav Hadravsky, Denisa Kacerovska, Boris Rychly, Marketa Miesbauerova, Michal Michal
BACKGROUND: Differentiated squamous intraepithelial lesion (dSIL) is morphologically and immunohistochemically analogous in the whole anogenital region. dSIL is a premalignant lesion frequently misinterpreted histopathologically as a benign dermatosis. The authors describe a peculiar change in the basal cell layer of the epidermis/epithelium overlying anogenital melanocytic nevi that may histopathologically imitate dSIL. The aim of this study is to familiarize the pathologists with this pitfall to avoid its possible overdiagnosis as dysplasia...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038709/signet-ring-cell-lymphoma-clinicopathologic-immunohistochemical-and-fluorescence-in-situ-hybridization-studies-of-7-cases
#7
Shanxiang Zhang, Jihong Sun, Yanan Fang, Mehdi Nassiri, Lanting Liu, Jiehao Zhou, Ryan Stohler, Haki Choi, Gail H Vance
CONTEXT: Signet-ring cell lymphoma (SRCL) is a rare morphologic variant of non-Hodgkin lymphoma. Although it was initially reported as a rare morphologic variant of follicular lymphoma (FL), SRCL has to date been described in most types of non-Hodgkin lymphoma, mostly as single-case reports. OBJECTIVE: To study SRCL systematically by immunohistochemical stains and fluorescent in situ hybridization analyses. DESIGN: Seven SRCL cases were stained for CD3, CD5, CD20, PAX-5, CD10, CD21, CD23, cyclin D1, BCL2, BCL6, Ki-67, and MUM-1, and were analyzed by fluorescent in situ hybridization for BCL2, BCL6, MYC, and MALT1 rearrangements...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038708/usefulness-of-p16-cdkn2a-fluorescence-in-situ-hybridization-and-bap1-immunohistochemistry-for-the-diagnosis-of-biphasic-mesothelioma
#8
Di Wu, Kenzo Hiroshima, Toshikazu Yusa, Daisuke Ozaki, Eitetsu Koh, Yasuo Sekine, Shinji Matsumoto, Kazuki Nabeshima, Ayuko Sato, Tohru Tsujimura, Hisami Yamakawa, Yuji Tada, Hideaki Shimada, Masatoshi Tagawa
Malignant mesothelioma is a highly aggressive neoplasm, and the histologic subtype is one of the most reliable prognostic factors. Some biphasic mesotheliomas are difficult to distinguish from epithelioid mesotheliomas with atypical fibrous stroma. The aim of this study was to analyze p16/CDKN2A deletions in mesotheliomas by fluorescence in situ hybridization (FISH) and BAP1 immunohistochemistry to evaluate their potential role in the diagnosis of biphasic mesothelioma. We collected 38 cases of pleural mesotheliomas...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038707/cystic-and-necrotic-papillary-renal-cell-carcinoma-prognosis-morphology-immunohistochemical-and-molecular-genetic-profile-of-10-cases
#9
Kvetoslava Peckova, Petr Martinek, Kristyna Pivovarcikova, Tomas Vanecek, Reza Alaghehbandan, Kristyna Prochazkova, Delia Perez Montiel, Milan Hora, Faruk Skenderi, Monika Ulamec, Pavla Rotterova, Ondrej Daum, Jiri Ferda, Whitney Davidson, Ondrej Ondic, Magdalena Dubova, Michal Michal, Ondrej Hes
Conflicting data have been published on the prognostic significance of tumor necrosis in papillary renal cell carcinoma (PRCC). Although the presence of necrosis is generally considered an adverse prognostic feature in PRCC, we report a cohort of 10 morphologically distinct cystic and extensively necrotic PRCC with favorable biological behavior. Ten cases of type 1 PRCC with a uniform morphologic pattern were selected from the 19 500 renal tumors, of which 1311 were PRCCs in our registry. We focused on precise morphologic diagnosis supported by immunohistochemical and molecular-genetic analysis...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038706/hepatosplenic-t-cell-lymphoma-arising-in-patients-with-immunodysregulatory-disorders-a-study-of-7-patients-who-did-not-receive-tumor-necrosis-factor-%C3%AE-inhibitor-therapy-and-literature-review
#10
Mariko Yabe, L Jeffrey Medeiros, Yahya Daneshbod, Masoud Davanlou, Carlos E Bueso-Ramos, Elisa J Moran, Ken H Young, Roberto N Miranda
Hepatosplenic T-cell lymphoma (HSTCL) is a rare and aggressive extranodal T-cell lymphoma that can arise in patients with underlying immune disorders. Others have suggested that tumor necrosis factor (TNF)-α inhibitor therapy for immune disorders increases the risk of HSTCL. To assess for a potential relationship between HSTCL and the use of TNF-α inhibitors, we searched for patients with HSTCL and underlying immune disorders at our institution. We identified 7 patients with a median age of 38 years. Five patients had Crohn disease, 1 ulcerative colitis, and 1 rheumatoid arthritis...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038705/cyclin-d1-expression-and-polysomy-in-lymphocyte-predominant-cells-of-nodular-lymphocyte-predominant-hodgkin-lymphoma
#11
Benjamin B Cho, Sarah M Kelting, Alejandro A Gru, Robin D LeGallo, Patcharin Pramoonjago, Teresa A Goldin, Christopher T Heitz, Nadine S Aguilera
Cyclin D1 protein expression in lymphocytes is classically associated with mantle cell lymphoma. Although increasingly recognized in other lymphoproliferative disorders, cyclin D1 expression and CCND1 gene abnormalities have not been well studied in nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL). Using a double stain for CD20/cyclin D1, we quantified cyclin D1 expression in 10 cases of NLPHL and correlated those findings with SOX11 expression, CCND1 gene abnormalities, and clinical data. For comparison, we examined 5 cases of T cell-/histiocyte-rich large B-cell lymphoma (THRLBCL)...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28038704/gata3-expression-in-clinically-useful-groups-of-breast-carcinoma-a-comparison-with-gcdfp15-and-mammaglobin-for-identifying-paired-primary-and-metastatic-tumors
#12
Yuqiong Yang, Shanming Lu, Wenqin Zeng, Shoucheng Xie, Shengjun Xiao
GATA3 has been recognized as the novel marker for identifying primary and metastatic breast carcinomas, consistently showing that GATA3 was significantly more sensitive than traditional markers gross cystic disease fluid protein 15 (GCDFP15) and mammaglobin (MGB). However, clinically useful groups of breast carcinomas status were not identified, which were determining appropriate treatment strategy, affecting the prognosis. In this study, we undertook a comparative study of the marker GATA3 and GCDFP15 and MGB in clinically useful groups of paired primary and metastatic breast cancer...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27810344/re-immunoexpression-of-p53-in-cutaneous-and-subcutaneous-leiomyosarcomas
#13
LETTER
David Creytens
No abstract text is available yet for this article.
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27806883/answer-to-immunoexpression-of-p53-in-cutaneous-and-subcutaneous-leiomyosarcomas
#14
LETTER
Angel Fernandez-Flores, Carlos Monteagudo
No abstract text is available yet for this article.
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27601330/histopathological-diagnosis-of-acral-lentiginous-melanoma-in-early-stages
#15
REVIEW
Angel Fernandez-Flores, David S Cassarino
Acral lentiginous melanoma is a rare variant of melanoma that is associated with a relatively low survival rate. The latter is partly due to the advanced stage in which the tumor is usually diagnosed. The diagnostic delay is mainly due to difficulties in identifying the very early histopathological signs of acral melanoma. The current article is a review of diagnostic clues, concepts, and definitions from the literature, as well as illustrating examples from our own archives. We have sought to provide an article that can be easily consulted in difficult cases of acral lentiginous melanoma...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27594302/diagnostic-utility-of-epithelial-and-melanocitic-markers-with-double-sequential-immunohistochemical-staining-in-differentiating-melanoma-in-situ-from-invasive-melanoma
#16
REVIEW
Rafael Parra-Medina, Samuel David Morales
Identification of melanoma in situ and its distinction from invasive melanoma is important because of its significant impact on morbidity and mortality. However, this interpretation can cause pitfalls in the diagnosis even with the use of immunohistochemistry. The aim of this study is to evaluate the diagnostic utility of epithelial makers (AE1/AE3, CK5/6, and p63) combined with melanocytic markers (HMB-45, S-100, or Melan-A) using dual-color immunohistochemical staining, performed on a single slide by sequentially applying the antibodies...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27806853/cutaneous-myeloid-dendritic-cell-dyscrasia-a-cutaneous-clonal-monocytosis-associated-with-chronic-myeloproliferative-disorders-and-peripheral-blood-monocytosis
#17
Cynthia M Magro, Shabnam Momtahen, Shalini Verma, Ronnie M Abraham, Constantin Friedman, Gerard J Nuovo, Wayne Tam
Monocytes are critical components of the innate immune system and they can differentiate into dendritic cells (DCs). Cutaneous neoplasms of dendritic cell origin are uncommon and mostly represented by histiocytic lesions derived primarily from Langerhans cells. The myeloid DC (mDC) while recognized in the immunology literature does not have a well-defined neoplastic cutaneous counterpart. Eleven patients with a diagnosis of cutaneous mDC dyscrasia were evaluated. Routine hematoxylin and eosin stain were performed followed by selective phenotypic studies...
December 2016: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27806852/ameloblastoma-vs-basal-cell-carcinoma-an-immunohistochemical-comparison
#18
Salam N Jawad, Bashar H Abdullah
Despite behavioral mimicry of ameloblastoma (AB) and basal cell carcinoma (BCC), they are classified at 2 extremes within pertinent WHO classifications with respect to benign and malignant designation. This study aims to appraise the current allocation of AB in the classification through an immunohistochemical comparison of some aspects of behavior with BCC. Sections from retrospectively retrieved formalin-fixed, paraffin-embedded tissue blocks of AB (n = 37) and BCC (n = 34) were comparatively examined for the immunohistochemical expression for Ki-67, Bcl-2, MMP-2, MMP-9, CD31, and D2-40 monoclonal antibodies...
December 2016: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27806851/correlation-of-microvessel-parameters-in-invasive-ductal-carcinoma-of-the-breast-and-fibroadenomas-a-morphometric-study
#19
Dibyajyoti Boruah, Jasvinder K Bhatia, Abhishek Rai, V Srinivas, V S Nijhawan
Modifications of microvascular configuration are essential features encountered during the progression of breast tumors. Our objectives were to correlate morphometrically evaluated microvessel parameters (microvessel density [MVD], microvessel caliber [VC], microvessel cross-sectional area [VCSA], percentage of total VCSA [%TVCSA], and total microvessel boundary density [TVBD]) with histologic grades of invasive ductal carcinoma (IDC) of the breast and benign breast lesions. Sixty cases of IDC presented with modified radical mastectomy, and 20 benign breast fibroadenomas were evaluated for various microvessel parameters, using CD34-immunostained histologic sections by computerized image morphometry...
December 2016: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27806850/aggressive-b-cell-lymphomas-frequency-immunophenotype-and-genetics-in-a-reference-laboratory-population
#20
Yalda B Naeini, Annie Wu, Dennis P O'Malley
Diffuse large B-cell lymphoma (DLBCL) is the most common type of lymphoma worldwide. The current World Health Organization classification includes several subtypes based on a combination of clinical, immunohistochemical, and genetic differences. Other aggressive variants of B-cell lymphomas, including Burkitt lymphoma and double-hit lymphomas are part of the differential diagnosis and often have overlapping features with DLBCL. In this study, we evaluated 760 of cases of DLBCL and other aggressive B-cell lymphomas using a relatively uniform immunohistochemical panel and genetic methods...
December 2016: Annals of Diagnostic Pathology
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