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Annals of Diagnostic Pathology

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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
#1
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...
February 20, 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28318950/cholesteryl-ester-storage-disease-an-underdiagnosed-cause-of-cirrhosis-in-adults
#2
REVIEW
Mamta Pant, Kiyoko Oshima
Cholesteryl Ester Storage Disease (CESD), is a rare multisystem autosomal recessive disorder and belongs to the broad family of lysosomal storage disorders. It can present anytime from infancy and childhood to even adulthood. The clinical manifestations are generally severe in infants and with milder forms in adults. One of the prominent sites of involvement is liver. Due to low awareness of this condition among physicians including surgical pathologists, majority of the liver biopsies, especially from the adults are often misdiagnosed as non-alcoholic fatty liver disease/non-alcoholic steatohepatitis or cryptogenic cirrhosis...
February 9, 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325367/contribution-of-maml1-in-esophageal-squamous-cell-carcinoma-tumorigenesis
#3
Mahnaz Hashemi Bidokhti, Mohammad Reza Abbaszadegan, Noorieh Sharifi, Soodabeh Abbasi Sani, Mohammad Mahdi Forghanifard
BACKGROUND: Notch signaling pathway is involved in different cellular and developmental processes including cell proliferation, differentiation and apoptosis. Mastermind like1 (MAML1) is a critical key transcription coactivator of this pathway. In this study, we aimed to examine MAML1 protein expression in esophageal squamous cell carcinoma (ESCC) and reveal its association with clinicopathological variables of the patients. METHODS: Tumoral and their margin normal tissues from 56 ESCC patients were recruited for protein expression analysis using immunohistochemistry (IHC)...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325366/whorling-cellular-perineurioma-a-previously-undescribed-variant-closely-mimicking-monophasic-fibrous-synovial-sarcoma
#4
Michael Michal, Dmitry V Kazakov, Abbas Agaimy, Marta Hosova, Kvetoslava Michalova, Petr Grossmann, Petr Steiner, Faruk Skenderi, Semir Vranic, Michal Michal
The authors present a distinctive perineurioma (PN) variant which morphologically strongly resembles monophasic fibrous synovial sarcoma (MSS). The patients were 3 males and 1 female. The age ranged from 15 to 61years (mean: 44years). Locations included the sole, lower jaw, palm and foot. The tumor size ranged from 1.3cm to 2.5cm in the largest dimension (mean 1.8cm). Morphologically, all tumors had an identical, monotonous appearance. The perineurial cells were closely packed and created a confluent cellular whorls and/or sheets in a scarce stroma, with only focally discernible long, slender cytoplasmic processes typical for perineurial differentiation...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325365/macrocystic-ductal-adenocarcinoma-of-prostate-a-rare-gross-appearance-of-prostate-cancer
#5
Fumiyoshi Kojima, Hiroyuki Koike, Ibu Matsuzaki, Yoshifumi Iwahashi, Kenji Warigaya, Masakazu Fujimoto, Kazuo Ono, Youji Urata, Yasuo Kohjimoto, Isao Hara, Shin-Ichi Murata
Macroscopic cyst-formation by prostatic adenocarcinoma, herein referred to as macrocystic prostatic adenocarcinoma (MPA), is extremely rare. To date, no studies of prostate cancer performed based on gross cystic appearance have been reported. MPA can include various diseases, one of which is cystadenocarcinoma. Several cases of ductal adenocarcinoma exhibiting a macrocystic appearance have recently been reported; however, the histological and clinicopathological characteristics of MPAs have yet to be characterized and established...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325364/retroperitoneal-lymphangioleiomyoma-with-lymph-node-involvement-a-pathologic-radiologic-correlation-of-a-rare-form-of-myomelanocytic-tumor
#6
Amrou Abdelkader, Cesar A Lam, Kaushik S Shahir, Kathleen Christians, Saul M Suster
Lymphangioleiomyomatosis (LAM) is a rare and slowly progressive disorder that usually arises in the lung, affects exclusively women in their childbearing years, and typically presents with progressive dyspnea on exertion and pneumothorax. Infrequently, extra-pulmonary LAM can occur in the retroperitoneum, uterine wall, mediastinum and intraperitoneal lymph nodes. Histologically, LAM is characterized by a proliferation of perivascular epithelioid cells (PEC) that express markers for both melanocytes and smooth muscle cells...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325363/the-role-and-prognostic-value-of-inducible-nitric-oxide-synthase-inos-and-interleukin-33-il-33-in-serous-and-mucinous-epithelial-ovarian-tumours
#7
Eman M Saied, Nour M El-Etreby
Understanding different mechanisms contributing to the aggressive behaviour of epithelial ovarian cancer (EOC) is a large challenge. Interaction between inflammation, immunity and carcinogenesis occurs in different cancers; however, the potential roles of different molecules involved in these processes in relation to ovarian carcinogenesis were not fully investigated. Inducible nitric oxide synthase (iNOS) and interleukin-33 (IL-33) are implicated in carcinogenesis. iNOS is an NOS isoform that generates nitric oxide, which plays important roles in various stages of carcinogenesis...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325362/methylation-analysis-of-shox2-and-rassf1a-in-bronchoalveolar-lavage-fluid-for-early-lung-cancer-diagnosis
#8
Minpu Ren, Chunhua Wang, Danli Sheng, Yaoyao Shi, Mei Jin, Songxiao Xu
No abstract text is available yet for this article.
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325361/warthin-like-papillary-renal-cell-carcinoma-clinicopathologic-morphologic-immunohistochemical-and-molecular-genetic-analysis-of-11-cases
#9
Faruk Skenderi, Monika Ulamec, Tomas Vanecek, Petr Martinek, Reza Alaghehbandan, Maria Pane Foix, Iva Babankova, Delia Perez Montiel, Isabel Alvarado-Cabrero, Marian Svajdler, Pavol Dubinský, Dana Cempirkova, Michal Pavlovsky, Semir Vranic, Ondrej Daum, Ondrej Ondic, Kristyna Pivovarcikova, Kvetoslava Michalova, Milan Hora, Pavla Rotterova, Adela Stehlikova, Martin Dusek, Michal Michal, Ondrej Hes
Oncocytic papillary renal cell carcinoma (PRCC) is a distinct subtype of PRCC, listed as a possible new variant of PRCC in the 2016 WHO classification. It is composed of papillae aligned by large single-layered eosinophilic cells showing linearly arranged oncocytoma-like nuclei. We analyzed clinicopathologic, morphologic, immunohistochemical and molecular-genetic characteristics of 11 oncocytic PRCCs with prominent tumor lymphocytic infiltrate, morphologically resembling Warthin's tumor. The patients were predominantly males (8/11, 73%), with an average age of 59years (range 14-76), and a mean tumor size of 7cm (range 1-22cm)...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325360/postradiation-associated-sclerosing-mediastinitis-diagnosed-in-fine-needle-aspiration-specimen-a-cytological-pathological-correlation
#10
Tamar Giorgadze, June H Koizumi, Shira Ronen, Michael Chaump, Cynthia M Magro
Sclerosing mediastinitis (SM) is an aggressive fibroproliferative process in the mediastinum that may lead to encasement of mediastinal structures within a dense fibrotic mass. This disease may cause significant clinical complications, morbidity, and even mortality. The etiology and pathogenesis of SM is unclear and in more than one third of cases remains idiopathic. Among the known causes of SM, granulomatous infection is the commonest. Association of SM with radiation therapy has been rarely reported. Herein, we are reporting a case of postradiation sclerosing mediastinitis diagnosed in fine needle aspiration (FNA) specimen...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325359/immunohistochemistry-in-the-workup-of-prostate-biopsies-frequency-variation-and-appropriateness-of-use-among-pathologists-practicing-at-an-academic-center
#11
Sameer Al Diffalha, Mohanad Shaar, Güliz A Barkan, Eva M Wojcik, Maria M Picken, Stefan E Pambuccian
OBJECTIVES: We studied the frequency, inter-pathologist variation, appropriateness and utility of immunohistochemistry (IHC) performed on prostate biopsies (PB) to determine the significance of foci of suspicious glands/atypical small acinar proliferations (ASAP). METHODS: We calculated the rate of IHC use and diagnostic rate of ASAP and adenocarcinoma in PB from 01/01/2008 to 06/30/2015 for individual pathologists working in a tertiary academic institution, and correlated them with the pathologists' experience, subspecialization and PB volume with the aim of determining the interpathologist variation and appropriateness of use of IHC according to recently published recommendations, and the usefulness of IHC to resolve foci of ASAP as either benign or adenocarcinoma...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325358/seromucinous-ovarian-tumor-a-comparison-with-the-rest-of-ovarian-epithelial-tumors
#12
Georgia Karpathiou, Celine Chauleur, Thomas Corsini, Melany Venet, Cyril Habougit, Freschia Honeyman, Fabien Forest, Michel Peoc'h
BACKGROUND: Seromucinous ovarian tumors are rare and not adequately described in the literature and this is especially true for seromucinous carcinomas. AIM OF THE STUDY: To describe histological and clinical features of these tumors in comparison with the rest of ovarian epithelial tumors. MATERIALS AND METHODS: Two hundred and forty one (241) ovarian tumors, borderline (n=92) or malignant (n=149), treated surgically without neoadjuvant chemotherapy, were examined...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325357/chronic-myeloid-leukemia-with-a-rare-fusion-transcript-e19a2-bcr-abl1-a-report-of-three-cases-from-india
#13
LETTER
Sudha Sazawal, Sunita Chikkara, Kanwaljeet Singh, Rekha Chaubey, Dinesh Chandra, Pravas Mishra, Manoranjan Mahapatra, Tulika Seth, Renu Saxena
The μ-bcr breakpoint connects exon 19 of BCR with ABL giving rise to the e19a2 transcript corresponding to the p230 fusion protein (micro-BCR breakpoint) which is rarely seen in chronic myeloid leukemia (CML) patients. Here we report three patients with p230 fusion protein presenting with different clinical presentations and diagnosed as CML-CP. These patients received Imatinib (tyrosine kinase inhibitor-TKI) and are still in remission.
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325356/primary-cutaneous-spindle-cell-b-cell-lymphoma-a-report-of-three-cases-and-review-of-the-literature
#14
Cynthia M Magro, Shabnam Momtahen
Primary cutaneous spindle cell lymphoma is a rare variant of primary cutaneous B-cell lymphoma (PCBCL). Herein, we present 3 cases of primary cutaneous spindle cell B cell lymphoma, 2 males and one female (age range 66-76years). The patients presented with solitary skin lesions, distributed in the head and neck area and chest. The dominant cell size was in the intermediate to large cell size range. While the main cell type was a spindled one, other cells with a nuclear morphology quite typical for a centroblast were noted and as well careful inspection in the three cases revealed a focal residuum of germinal center-like structures...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325355/myoepithelioma-of-soft-tissue-a-cytological-pathological-correlation-with-literature-review
#15
Oleksandr Kravtsov, Jason Chang, Donald Hackbarth, Tamara Giorgadze
Myoepitheliomas of soft tissue are rare tumors with variable morphologic, immunohistochemical and molecular profiles and therefore are diagnostically challenging for pathologists. We report a case in a 60-year-old male with a painless slowly growing 3cm mass on left medial forefoot. Core biopsy of the mass showed a neoplastic proliferation of plasmacytoid tumor cells, consistent with myoepithelioma of soft tissue. Immunohistochemical stains demonstrated positivity of the tumor cells for cytokeratin AE1/AE3, CK18, S-100 protein and myosin heavy chain (SMMS-1), supporting the diagnosis...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325354/solitary-plasmacytoma-associated-with-epstein-barr-virus-a-clinicopathologic-cytogenetic-study-and-literature-review
#16
Jiaqi Yan, Jianchao Wang, Wenyan Zhang, Min Chen, Jie Chen, Weiping Liu
Solitary plasmacytoma (SP) is an uncommon, indolent tumor of plasma cell neoplasms that presents as a mass lesion in extramedullary sites. Evidence of Epstein-Barr virus (EBV) infection is frequently associated with various lymphatic and hematopoietic malignancies but is relatively rare in SP. Moreover, it is essential to distinguish EBV-positive plasmacytoma from plasmablastic lymphoma. In this study, we found 4 EBV-encoded RNA (EBER)-positive patients among 46 consecutive immunocompetent patients of SP and compared the clinicopathologic features of these patients with those of the EBER-negative cohort...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28209236/epithelial-downgrowth-report-of-2-cases-diagnosed-by-ocular-biopsy
#17
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
#18
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
#19
REVIEW
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
#20
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
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