Articles

Novel t(1;2)(p36.1;q23) and t(7;19)(q32;q13.3) chromosomal translocations in ischemic fasciitis: expanding the spectrum of pseudosarcomatous lesions with clonal pathogenetic link

Ischemic fasciitis is a distinctive pseudosarcomatous entity with a marked predilection for elderly and physically debilitated or immobilized patients. The etiology of these lesions is unknown but felt to be r...

Authors: Taha Sachak, Nyla A. Heerema, Joel Mayerson, Jason E. Payne, Anil Parwani and O. Hans Iwenofu

Clinicopathological features and EBV infection status of lymphoma in children and adolescents in South China: a retrospective study of 662 cases

The clinicopathological features and Epstein-Barr virus (EBV) infection status of lymphoma in children and adolescents in South China is under-researched. South China is a well-known high-incidence area of EBV...

Authors: Changfei Qin, Yuhua Huang, Yanfen Feng, Min Li, Na Guo and Huilan Rao

Myeloid transformation of plasma cell myeloma: molecular evidence of clonal evolution revealed by next generation sequencing

Plasma cell myeloma (PCM) is a neoplasm of terminally differentiated B lymphocytes with molecular heterogeneity. Although therapy-related myeloid neoplasms are common in plasma cell myeloma patients after chem...

Authors: Jonathon H. Gralewski, Ginell R. Post, Frits van Rhee and Youzhong Yuan

Colonic perineurioma (benign fibroblastic polyp): case report and review of the literature

Colorectal perineuriomas are uncommon benign mucosal-based proliferations of mesenchymal cells that express perineurial markers, often associated with colonic crypts displaying a serrated/hyperplastic architec...

Authors: Abraham Christoffel van Wyk, Hennie van Zyl and Jonathan Rigby

De novo mast cell leukemia without CD25 expression and KIT mutations: a rare case report in a 13-year-old child

Mast cell leukemia (MCL) is a very rare form of systemic mastocytosis (SM) and accounts for less than 0.5% of all mastocytosis. The diagnosis of MCL requires the presence of SM criteria, accompanied by leukemi...

Authors: Yalin Zheng, Lin Nong, Li Liang, Wei Wang and Ting Li

Analytic validity of DecisionDx-Melanoma, a gene expression profile test for determining metastatic risk in melanoma patients

The DecisionDx-Melanoma test provides prognostic information for patients with cutaneous melanoma (CM). Using formalin-fixed paraffin-embedded primary tumor tissue, the RT-PCR-based test classifies patients in...

Authors: Robert W. Cook, Brooke Middlebrook, Jeff Wilkinson, Kyle R. Covington, Kristen Oelschlager, Federico A. Monzon and John F. Stone

PD-L1 diagnostic tests: a systematic literature review of scoring algorithms and test-validation metrics

The programmed death receptor 1 (PD-1) protein is a cell-surface receptor on certain lymphocytes that, with its ligand programmed death ligand 1 (PD-L1), helps to down-regulate immune responses. Many cancer ty...

Authors: Margarita Udall, Maria Rizzo, Juliet Kenny, Jim Doherty, SueAnn Dahm, Paul Robbins and Eric Faulkner

RETRACTED ARTICLE: Differences in the expression profiles of claudin proteins in human nasopharyngeal carcinoma compared with non-neoplastic mucosa

Several studies have suggested that claudin proteins, which are the main components of tight junction structures, are related to the regulation of cell polarity and cell differentiation.

Authors: Xiaowei Zhang, Haiming Wang, Qian Li, Yunpeng Liu, Peiqing Zhao and Tao Li

Breast implant-associated anaplastic large cell lymphoma in a Li-FRAUMENI patient: a case report

Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is a rare malignancy, recently recognized as a provisional entity by the World Health Organization. Although increasing data have been publis...

Authors: Ricardo Garcia Pastorello, Felipe D’Almeida Costa, Cynthia A. B. T. Osório, Fabiana B. A. Makdissi, Stephania Martins Bezerra, Marina de Brot, Antonio Hugo J. F. M. Campos, Fernando Augusto Soares and José Vassallo

Splenic hamartoma with bizarre stromal cells: a case report and literature review

Splenic hamartoma is a rare benign vascular proliferative lesion composed of unorganized sinusoid-like channels lined with plump or flat endothelial cells and characterized by a CD8-positive immunophenotype of...

Authors: Na Cheng, Jianning Chen, Yuhang Pan, Ye Jiang, Jing Zhou and Chunkui Shao

Tissue expression of retinoic acid receptor alpha and CRABP2 in metastatic nephroblastomas

Nephroblastoma or Wilms tumor is the most frequent kidney cancer in children and accounts for 98% of kidney tumors in this age group. Despite favorable prognosis, a subgroup of these patients progresses to rec...

Authors: Ana Paula Percicote, Gabriel Lazaretti Mardegan, Elizabeth Schneider Gugelmim, Sergio Ossamu Ioshii, Ana Paula Kuczynski, Seigo Nagashima and Lúcia de Noronha

Treponema pallidum Immunohistochemistry is positive in human intestinal Spirochetosis

Human intestinal spirochetosis (IS) has been recognized for decades, but whether it represents commensalism or a pathogenic process remains controversial. IS is diagnosed on routine stains with confirmation by...

Authors: Rondell P. Graham, Bita V. Naini, Sejal S. Shah, Christina A. Arnold, Rajesh Kannangai, Michael S. Torbenson and Dora M. Lam-Himlin

PD-L1 in pancreatic ductal adenocarcinoma: a retrospective analysis of 373 Chinese patients using an in vitro diagnostic assay

Programmed death ligand 1 (PD-L1) has shown potential as a therapeutic target in numerous solid tumors. Its prognostic significance has also been established in pancreatic ductal adenocarcinoma (PDAC). The pre...

Authors: Xiaolong Liang, Jian Sun, Huanwen Wu, Yufeng Luo, Lili Wang, Junliang Lu, Zhiwen Zhang, Junchao Guo, Zhiyong Liang and Tonghua Liu

Possible relationship between fibrosis of IgG4-related thymitis and the profibrotic cytokines, transforming growth factor beta 1, interleukin 1 beta and interferon gamma: a case report

IgG4-related disease often forms a mass and the affected lesion is clinically removed because the mass cannot be differentiated from a neoplasm. Affected lesions commonly occur in the pancreas, hepatobiliary t...

Authors: Atsuko Masunaga, Fumihiro Ishibashi, Eitetsu Koh, Takashi Oide, Yasuo Sekine and Kenzo Hiroshima

Molecular profiling of lung cancer specimens and liquid biopsies using MALDI-TOF mass spectrometry

Identification of predictive molecular alterations in lung adenocarcinoma is essential for accurate therapeutic decisions. Although several molecular approaches are available, a number of issues, including tum...

Authors: Eleonora Bonaparte, Chiara Pesenti, Laura Fontana, Rossella Falcone, Leda Paganini, Anna Marzorati, Stefano Ferrero, Mario Nosotti, Paolo Mendogni, Claudia Bareggi, Silvia Maria Sirchia, Silvia Tabano, Silvano Bosari and Monica Miozzo

Novel GLI3 variant causing overlapped Greig cephalopolysyndactyly syndrome (GCPS) and Pallister-Hall syndrome (PHS) phenotype with agenesis of gallbladder and pancreas

A proper balance between the activator and the repressor form of GLI3, a zinc-finger transcription factor downstream of hedgehog signaling, is essential for proper development of various organs during developm...

Authors: Saki Ito, Riko Kitazawa, Ryuma Haraguchi, Takeshi Kondo, Ayaka Ouchi, Yasuo Ueda and Sohei Kitazawa

Extramammary Paget disease of the vulva: immunohistochemical analysis of neoangiogenesis and epithelial-mesenchymal transition markers expression

Extra-mammary Paget’s disease of the vulva (EMPDV) is an infrequent chronic disease that often recurs. The aim of the study was to assess the presence of neoangiogenesis and the expression of epithelial-mesenc...

Authors: Lara Alessandrini, Nicolò Clemente, Tiziana Perin, Giorgio Giorda, Vincenzo Canzonieri and Francesco Sopracordevole

Case report: IgG4-related mass-forming thyroiditis accompanied by regional lymphadenopathy

It has been recently accepted that IgG4-related thyroiditis is comparable to the Hashimoto and Riedel thyroiditis and Graves disease which are rich in IgG4-secreting plasma cells. Many physicians believe that ...

Authors: Yasuhiro Sakai and Yoshiaki Imamura

Nucleoli cytomorphology in cutaneous melanoma cells – a new prognostic approach to an old concept

The nucleolus is an organelle that is an ultrastructural element of the cell nucleus observed in H&E staining as a roundish body stained with eosin due to its high protein content. Changes in the nucleoli cyto...

Authors: Piotr Donizy, Przemyslaw Biecek, Agnieszka Halon, Adam Maciejczyk and Rafal Matkowski

Low frequency of BRAF and KRAS mutations in Chinese patients with low-grade serous carcinoma of the ovary

Mounting evidence has shown that KRAS and BRAF are somatic mutations associated with low grade serous carcinoma (LGSC) of the ovary. However, the frequency of KRAS or BRAF mutation was variable in literatures,...

Authors: Yan Xu, Rui Bi, Yaoxing Xiao, Xiaoyu Tu, Ming Li, Anqi Li, Ling Shan, Shuling Zhou and Wentao Yang

Malignant rhabdoid tumor in the renal allograft of an adult transplant recipient: a unique case of a rare tumor

Renal transplant recipients have increased risk for developing malignant diseases because of immunosuppression or donor-to-recipient transmission. Malignant rhabdoid tumor (MRT) is a rare, highly aggressive an...

Authors: Jing Xiong, Tiefen Su, Pengcheng Zhu, Qilin Ao, Qiurong Ruan and Guoping Wang

Composite neuroendocrine tumor and adenocarcinoma of the rectum

Although adenocarcinomas showing neuroendocrine differentiation or those mixed with high-grade neuroendocrine carcinoma (NEC) are sometimes encountered, composite tumors comprising neuroendocrine tumor (NET) G...

Authors: Hiromi Kanno-Okada, Tomoko Mitsuhashi, Katsuhiro Mabe, Tadakazu Shimoda and Yoshihiro Matsuno

Is hematoxylin-eosin staining in rectal mucosal and submucosal biopsies still useful for the diagnosis of Hirschsprung disease?

Hematoxylin-eosin (HE) staining of a full-thickness rectal wall fragment is classically used for the diagnosis of Hirschsprung disease (HD). However, this technique requires large fragments for a better diagno...

Authors: Suellen Serafini, Maria Mercês Santos, Ana Cristina Aoun Tannuri, Maria Claudia Nogueira Zerbini, Maria Cecília de Mendonça Coelho, Josiane de Oliveira Gonçalves and Uenis Tannuri

Unusual presentation of plasmablastic lymphoma involving ovarian mature cystic teratoma: a case report

Plasmablastic lymphoma (PBL) is relatively new clinical entity described as a distinct subtype of diffuse large B-cell lymphoma (DLBCL). It is characterized by its aggressive nature and proliferation of large ...

Authors: Ita Hadžisejdić, Emina Babarović, Luka Vranić, Antica Duletić Načinović, Ksenija Lučin, Maja Krašević and Nives Jonjić

A novel GIT2-BRAF fusion in pilocytic astrocytoma

KIAA1549-BRAF fusion is the most common genetic event in pilocytic astrocytoma (PA), and leads to activation of the mitogen activated protein kinase (MAPK) signaling pathway. Fusions o...

Authors: Jeffrey Helgager, Hart G. Lidov, Navin R. Mahadevan, Mark W. Kieran, Keith L. Ligon and Sanda Alexandrescu

p53 aberrations in low grade endometrioid carcinoma of the endometrium with nodal metastases: possible insights on pathogenesis discerned from immunohistochemistry

TP53 mutations are rarely identified in low grade endometrioid carcinoma of the endometrium, and their pathogenic significance in such tumors is evidenced by the fact that TP53 aberrat...

Authors: Oluwole Fadare and Vinita Parkash

Automated quantification of steatosis: agreement with stereological point counting

Steatosis is routinely assessed histologically in clinical practice and research. Automated image analysis can reduce the effort of quantifying steatosis. Since reproducibility is essential for practical use, ...

Authors: André Homeyer, Patrik Nasr, Christiane Engel, Stergios Kechagias, Peter Lundberg, Mattias Ekstedt, Henning Kost, Nick Weiss, Tim Palmer, Horst Karl Hahn, Darren Treanor and Claes Lundström

Sclerosing angiomatoid nodular transformation of the spleen in a patient with Maffucci syndrome: a case report and review of literature

Maffucci syndrome is a congenital, non-hereditary mesodermal dysplasia characterized by multiple enchondromas and hemangiomas. The presence of visceral vascular lesions in this syndrome is exceedingly rare.

Authors: Xiao-Dan Huang, Hao-Sen Jiao, Zheng Yang, Chuang-Qi Chen, Yu-Long He and Xin-Hua Zhang

Composite intestinal adenoma-microcarcinoid in the colon and rectum: a case series and historical review

Composite intestinal adenoma-microcarcinoid (CIAM) is a rare colorectal lesion that mostly comprises a conventional adenomatous component with a minute proportion of neuroendocrine (NE) component. Although mic...

Authors: Mi-Jung Kim, Eun-Jung Lee, Do Sun Kim, Doo Han Lee, Eui Gon Youk and Hyun-Jung Kim

Renal clear cell carcinoma metastasis to the breast ten years after nephrectomy: a case report and literature review

Renal cell carcinoma most commonly metastasizes to the lungs, skeleton or liver. Metastatic renal cell carcinoma to the breast is very rare, especially for clear cell carcinoma, and few cases regarding this co...

Authors: Yanjun Xu, Rui Hou, Qijie Lu, Yifan Deng and Bin Hu

Complete mimicry: a case of alveolar rhabdomyosarcoma masquerading as acute leukemia

A small number of rhabdomyosarcoma (RMS) cases involve the bone marrow. A leukemic presentation of RMS has been reported in a few case series, although almost all cases of leukemic RMS are not completely mimic...

Authors: Osamu Imataki, Makiko Uemura, Shumpei Uchida, Shigeyuki Yokokura, Akihiro Takeuchi, Ryo Ishikawa, Akihiro Kondo, Kayoko Seo and Norimitsu Kadowaki

Renal cell -like carcinoma of the nasal cavity: a case report and review of the literature

Sinonasal renal cell-like carcinoma (SRCLC) is an extremely rare low malignant tumor arising in the sinonasal tract, with histological mimicry of renal cell carcinoma.

Authors: Zhenwei-Chen, Zhaoming-Wang, Hongqi-Shi and Qinwei-Liu

Spontaneous isolated dissection of the superior mesenteric artery and aneurysm formation resulting from segmental arterial mediolysis: a case report

Spontaneous isolated dissection of the superior mesenteric artery (SMA) can lead to bowel ischemia, aneurysm rupture, or even death. Studies have suggested that mechanical or hemodynamic stress on the vascular...

Authors: Nobuhiro Akuzawa, Makoto Kurabayashi, Tsukasa Suzuki, Daisuke Yoshinari, Mitsunobu Kobayashi, Yoshifumi Tanahashi, Fujio Makita and Ryusei Saito

Mass-like Dieulafoy’s lesion associated with advanced gastric cancer at the antrum of stomach: a case report and literature review

Dieulafoy’s lesion, also known as a caliber-persistent artery, is a shallow, small, and rare lesion that occurs along the lesser curvature of proximal stomach. It is rare for a Dieulafoy’s lesion to present as...

Authors: Hsi-Lan Huang, Chi Yan Leung and Chien-Jui Cheng

cMYC expression in thyroid follicular cell-derived carcinomas: a role in thyroid tumorigenesis

cMYC regulates approximately 15% of human genes and is involved in up to 20% of all human cancers. Reports discussing cMYC protein expression in thyroid carcinomas are limited, with co...

Authors: Hany I. Sakr, Deborah J. Chute, Christian Nasr and Charles D. Sturgis

PD-L1 and PD-1 expression are correlated with distinctive clinicopathological features in papillary thyroid carcinoma

Immune checkpoint blockade targeting PD-1/PD-L1 has shown efficacy in several types of cancers. However, the correlation between PD-L1/PD-1 expression and the specific clinicopathological features in papillary...

Authors: Yanhua Bai, Dongfeng Niu, Xiaozheng Huang, Ling Jia, Qiang Kang, Fangyuan Dou, Xinqiang Ji, Weicheng Xue, Yiqiang Liu, Zhongwu Li, Qin Feng, Dongmei Lin and Kennichi Kakudo

Primary paranasal sinus hyalinizing clear cell carcinoma: a case report

Hyalinizing clear cell carcinoma (HCCC) is a rare low-grade tumour of salivary glands that was first described as a distinct entity in 1994 by Milchgrub et al. EWSR1-ATF1 fusion was found to be specific for this ...

Authors: Batool M. AlAli, Mohammed J. Alyousef, Ahmad Salah Kamel, Mohammad A. Al hamad, Mohammad H. Al-Bar and Roaa M. Algowiez

Data integration from pathology slides for quantitative imaging of multiple cell types within the tumor immune cell infiltrate

Immune cell infiltrates (ICI) of tumors are scored by pathologists around tumor glands. To obtain a better understanding of the immune infiltrate, individual immune cell types, their activation states and loca...

Authors: Zhaoxuan Ma, Stephen L. Shiao, Emi J. Yoshida, Steven Swartwood, Fangjin Huang, Michael E. Doche, Alice P. Chung, Beatrice S. Knudsen and Arkadiusz Gertych

ALK-positive gastric inflammatory myofibroblastic tumor in an adult with familial adenomatous polyposis and diffuse fundic polyposis

Inflammatory myofibroblastic tumor (IMT) of the stomach is extremely rare in adults and exhibits a variable biological behavior that ranges from frequently benign lesions to more aggressive variants. Here we r...

Authors: Jun Fan, Bo Huang, Xiuping Yang, Ming Yang, Jun He and Xiu Nie

Retraction Note: Astragalus saponins affect proliferation, invasion and apoptosis of gastric cancer BGC-823 cells

Authors: Tao Wang, Xiaoyan Xuan, Min Li, Ping Gao, Yuling Zheng, Wenqiao Zang and Guoqiang Zhao

Computer-assisted stereology and automated image analysis for quantification of tumor infiltrating lymphocytes in colon cancer

Precise prognostic and predictive variables allowing improved post-operative treatment stratification are missing in patients treated for stage II colon cancer (CC). Investigation of tumor infiltrating lymphoc...

Authors: Ann C. Eriksen, Johnnie B. Andersen, Martin Kristensson, René dePont Christensen, Torben F. Hansen, Sanne Kjær-Frifeldt and Flemming B. Sørensen

Immunohistochemical staining with non-phospho β-catenin as a diagnostic and prognostic tool of COX-2 inhibitor therapy for patients with extra-peritoneal desmoid-type fibromatosis

Immunohistochemical staining with conventional anti-β-catenin antibody has been applied as a diagnostic tool for desmoid-type fibromatosis (DF). This study aimed to evaluate the diagnostic and prognostic value...

Authors: Tomohisa Sakai, Yoshihiro Nishida, Shunsuke Hamada, Hiroshi Koike, Kunihiro Ikuta, Takehiro Ota and Naoki Ishiguro

Mesonephric adenocarcinoma of the uterine corpus with intracystic growth completely confined to the myometrium: a case report and literature review

Mesonephric adenocarcinoma (MA) is a rare tumor believed to arise from mesonephric remnants occurring mostly in the uterine cervix and, to a lesser extent, the corpus. Since the first case report of MA in the ...

Authors: Hiroka Ando, Yuko Watanabe, Minori Ogawa, Hiromi Tamura, Tomomi Deguchi, Kayo Ikeda, Mayumi Fujitani, Mitsunori Shioji, Tomoko Tsujie, Reiko Doi, Akinori Wakimoto and Shiro Adachi

A case of intravascular large B cell lymphoma presenting as nodular goiter

Intravascular large B-cell lymphoma (IVLBCL) is a subtype of diffuse large B-cell lymphoma (DLBCL) that is rare and highly aggressive and that may progressively involve many organs. CNS (central nervous system...

Authors: Bo Luo, Jia-mei Chen, Jie Liu, Wen-he Li, Yu-xiang Shi, Pan Zeng, Yong-hui Xie and Hong-feng Zhang

Ciliated muconodular papillary tumors of the lung with KRAS/BRAF/AKT1 mutation

Ciliated muconodular papillary tumors (CMPTs) are newly recognized rare peripheral lung nodules that are histologically characterized by ciliated columnar, goblet, and basal cells. Although recent studies have...

Authors: Emiko Udo, Bungo Furusato, Kazuko Sakai, Leah M Prentice, Tomonori Tanaka, Yuka Kitamura, Tomoshi Tsuchiya, Naoya Yamasaki, Takeshi Nagayasu, Kazuto Nishio and Junya Fukuoka

Abernethy malformation associated with Caroli’s syndrome in a patient with a PKHD1 mutation: a case report

Abernethy malformation is a rare congenital anomaly characterised by the partial or complete absence of the portal vein and the subsequent development of an extrahepatic portosystemic shunt. Caroli’s disease i...

Authors: Xiao-xiao Mi, Xiao-guang Li, Zi-rong Wang, Ling Lin, Chun-hai Xu and Jun-ping Shi

Pleural epithelioid angiosarcoma with lymphatic differentiation arisen after radiometabolic therapy for thyroid carcinoma: immunohistochemical findings and review of the literature

Pleural angiosarcoma is a rare tumor that causes diffuse pleural thickening and effusion, mimicking mesothelioma. Immunohistochemistry is needed to highlight endothelial differentiation. We describe the first ...

Authors: Daniela Cabibi, Giulia Pipitone, Rossana Porcasi, Sabrina Ingrao, Ignazio Benza, Calogero Porrello, Massimo Cajozzo and Antonino Giulio Giannone

Gene expression profiling in uveal melanoma: technical reliability and correlation of molecular class with pathologic characteristics

A 15-gene expression profile test has been clinically validated and is widely utilized in newly diagnosed uveal melanoma (UM) patients to assess metastatic potential of the tumor. As most patients are treated ...

Authors: Kristen M. Plasseraud, Jeff K. Wilkinson, Kristen M. Oelschlager, Trisha M. Poteet, Robert W. Cook, John F. Stone and Federico A. Monzon

Localized amyloidosis of the epididymis: a previously unreported phenomenon

Localized amyloidosis has not been documented in the epididymis; we report this phenomenon for the first time.

Authors: Lucio Díaz-Flores, Ricardo Gutiérrez, Ma. del Pino García, Manuel Jose Gayoso, Jose Luis Carrasco, Lucio Díaz-Flores Jr and Hugo Álvarez-Argüelles

Pancreatic gangliocytic paraganglioma harboring lymph node metastasis: a case report and literature review

Gangliocytic paraganglioma (GP) is a rare neuroendocrine neoplasm, which occurs mostly in the periampullary portion of the duodenum; the majority of the reported cases of duodenal GP has been of benign nature ...

Authors: Keisuke Nonaka, Yoko Matsuda, Akira Okaniwa, Atsuko Kasajima, Hironobu Sasano and Tomio Arai