abstract：AIMS:Atypical polypoid adenomyoma (APAM) is an uncommon uterine lesion composed of complex endometrioid glands with frequent squamous morular metaplasia and fibromuscular stroma. On endometrial curettage, biopsy, or polypectomy specimens, the admixture of endometrioid glands and smooth muscle raises the differential di...

journal_title：Histopathology

authors： Worrell HI,Sciallis AP,Skala SL

更新日期：2021-01-18 00:00:00

abstract：BACKGROUND:Neoadjuvant endocrine therapy (NAET) is used in the management of estrogen receptor positive (ER+) breast cancer. The optimal method for histological assessment of response and the effect of NAET on the tumour morphology, grade and molecular profile remain unclear. MATERIAL AND METHODS:A single large instit...

journal_title：Histopathology

authors： Badr NM,Spooner D,Steven J,Stevens A,Shaaban AM

更新日期：2021-01-10 00:00:00

abstract：AIMS:Hepatocellular adenoma is an uncommon liver neoplasm and the studies of HCA subtypes have been primarily limited to France, United States and Japan. We aimed to describe the clinicopathologic features of hepatocellular adenoma subtypes in Turkey. METHODS AND RESULTS:The resection specimens of 59 cases diagnosed a...

journal_title：Histopathology

authors： Deniz K,Umetsu SE,Ferrell L,Yılmaz F,Güllüoğlu M,Sağol Ö,Bülbül Doğusoy G,Kırımlıoğlu H,Turhan N,Doran F,Kepil N,Çelikel ÇA,Nart D,Özgüven BY,Ceyran B,Karadağ N,Kır G,Erden E,Yılmaz G,Akyol G

更新日期：2021-01-06 00:00:00

abstract：AIMS:Trichoblastic carcinomas (malignant trichoblastomas) are rare and poorly documented neoplasms characterized by malignant transformation of a pre-existing benign trichoblastoma and subdivided histologically into low- and high-grade tumours. While morphologically low-grade trichoblastic carcinomas show an indolent b...

journal_title：Histopathology

authors： Mehta A,Davey J,Wiedemeyer K,Brenn T

更新日期：2021-01-03 00:00:00

abstract：:Neuroendocrine neoplasms (NENs) of the gastrointestinal tract (GIT) comprise neuroendocrine tumours (NETs) and neuroendocrine carcinomas (NECs). During the last decade the classification and grading of GIT NENs has undergone significant changes, culminating in the World Health Organisation (WHO) 2019 classification. T...

journal_title：Histopathology

authors： Gill AJ

更新日期：2021-01-01 00:00:00

abstract：AIMS:Pseudosarcomatous myofibroblastic proliferations (PSMPs) of the urinary bladder are diagnostically challenging. Diagnostic difficulties are mainly due to frequent cytokeratin expression, variable ALK expression and worrisome morphological features suggestive of malignancy. Conversely, sarcomatoid urothelial carcin...

journal_title：Histopathology

authors： Bertz S,Stöhr R,Gaisa NT,Wullich B,Hartmann A,Agaimy A

更新日期：2020-12-01 00:00:00

abstract：:To our knowledge, the in situ phase of small cell lung carcinoma (SCLC) has not been reported previously although in situ/pre-invasive lesions are commonly observed in murine models. We report a patient diagnosed with SCLC presenting mostly as carcinoma in situ after photodynamic therapy (PDT) under the diagnosis of b...

journal_title：Histopathology

authors： Ota M,Nakatani Y,Nakajima T,Hiroshima K,Motoi N,Yoshino I,Ikeda JI

更新日期：2020-11-30 00:00:00

abstract：AIMS:NUT carcinoma, a rare aggressive tumor driven by NUTM1 rearrangements, often involves the lung/mediastinum and shows squamous differentiation. We encountered an index patient with a thoracic NUT carcinoma diagnosed by molecular testing, demonstrating extensive pleural involvement and diffuse TTF-1 expressions init...

journal_title：Histopathology

authors： Hung YP,Chen AL,Taylor MS,Huynh TG,Kem M,Selig MK,Nielsen GP,Lennerz JK,Azzoli CG,Dagogo-Jack I,Kradin RL,Mino-Kenudson M

更新日期：2020-11-24 00:00:00

abstract：AIMS:Tumour-infiltrating lymphocytes (TILs) are prognostic in invasive breast cancer; however, their prognostic significance in ductal carcinoma in situ (DCIS) has not been established. The Oncotype DX (ODX) Breast DCIS Score test is a genomic assay used to predict the local recurrence risk. The aims of this study were...

journal_title：Histopathology

authors： Komforti M,Badve SS,Harmon B,Lo Y,Fineberg S

更新日期：2020-11-01 00:00:00

abstract：AIMS:NTRK gene rearranged sarcomas are emerging as a distinct class of sarcomas of particular importance in the era of targeted therapy. In this study we used Array Comparative Genomic Hybridisation (aCGH) to explore the cytogenetic profile of 6 adult soft tissue sarcomas harbouring NTRK gene fusions. METHODS AND RESU...

journal_title：Histopathology

authors： Vargas AC,Mesbah Ardakani N,Wong DD,Maclean FM,Kattampallil J,Boyle R,Santos L,Gill AJ

更新日期：2020-10-31 00:00:00

abstract：AIMS:MYC is a proto-oncogene that is frequently dysregulated in various malignancies, through translocation or amplification. Radiation-associated angiosarcoma frequently shows MYC amplification, and immunohistochemical expression has been shown to be a reliable surrogate marker for amplification, but less is known abo...

journal_title：Histopathology

authors： Mito JK,Qian X,Jo VY,Doyle LA

更新日期：2020-10-01 00:00:00

abstract：AIMS:Cluster of differentiation 103 (CD103), a marker of tissue resident memory T cells, is expressed on subsets of CD8+ T lymphocytes. We investigated the prognostic significance of CD103+ intra-epithelial tumour-infiltrating lymphocytes (iTILs) in invasive breast cancer (IBC). METHODS AND RESULTS:Immunohistochemistr...

journal_title：Histopathology

authors： Park MH,Kwon SY,Choi JE,Gong G,Bae YK

更新日期：2020-10-01 00:00:00

abstract：:Tumour budding in colorectal cancer, defined as single tumour cells or small clusters containing four or fewer tumour cells, is a robust and independent biomarker of aggressive tumour biology. On the basis of published data in the literature, the evidence is certainly in favour of reporting tumour budding in routine p...

journal_title：Histopathology

authors： Studer L,Blank A,Bokhorst JM,Nagtegaal ID,Zlobec I,Lugli A,Fischer A,Dawson H

更新日期：2020-10-01 00:00:00

abstract：INTRODUCTION:We describe cytologic and immunohistologic findings in virus transport medium on cases under investigation of SARS-CoV-2 infection. METHODS:Cytologic findings in cases under investigation of SARS-CoV-2 infection from one hundred consecutive nasopharyngeal swab were reviewed. Immunohistochemistry and SARSC...

journal_title：Histopathology

authors： Parada D,Peña KB,Gumà J,Guilarte C,Riu F

更新日期：2020-09-24 00:00:00

abstract：AIMS:Studies in various cancer types have demonstrated discordance between results from different programmed death-ligand 1 (PD-L1) assays. Here, we compare the reproducibility and analytical concordance of four clinically developed assays for assessing PD-L1-positivity in tumour-infiltrating immune cells in the tumour...

journal_title：Histopathology

authors： Noske A,Ammann JU,Wagner DC,Denkert C,Lebeau A,Sinn P,Kreipe HH,Sommer U,Baretton G,Steiger K,Kiechle M,Hieke-Schulz S,Flores M,Roth W,Weichert W

更新日期：2020-09-16 00:00:00

abstract：AIMS:Secretory carcinoma (SC) (synonym: mammary analogue secretory carcinoma) is a low-grade salivary gland tumour that occurs in both major and minor salivary glands. SC is known for its wide morphological, architectural and immunohistochemical spectrum, which overlaps with those of several salivary gland neoplasms, i...

journal_title：Histopathology

authors： Taverna C,Baněčková M,Lorenzon M,Palomba A,Franchi A,Skalova A,Agaimy A

更新日期：2020-09-15 00:00:00

abstract：:Aggressive B-cell lymphomas present as a heterogeneous spectrum of disease. A primary diagnosis in the bone marrow (BM) may be challenging in terms of diagnostic classification and clinical handling, owing to limited architectural information. Aggressive B-cell lymphomas can be subdivided into entities that typically ...

journal_title：Histopathology

authors： Zamò A,Johnston P,Attygalle AD,Laurent C,Arber DA,Fend F

更新日期：2020-09-01 00:00:00

abstract：BACKGROUND:Colorectal adenocarcinoma with enteroblastic differentiation (CAED) is a rare subtype of colorectal malignancy with expression of enteroblastic markers (glypican 3, SALL4, AFP); however, the clinicopathological and epidemiological features are not fully elucidated. AIMS:The aims of this study were to elucid...

journal_title：Histopathology

authors： Yamashiro Y,Saito T,Hayashi T,Murakami T,Yanai Y,Tsuyama S,Suehara Y,Takamochi K,Yao T

更新日期：2020-09-01 00:00:00

abstract：AIMS:Congenital haemangiomas (CHs) can be subdivided into different subtypes [rapidly involuting CHs (RICHs), non-involuting CHs (NICHs), and partially involuting CHs (PICHs)]. During the first few days of life, RICHs may be associated with transient but sometimes marked thrombocytopenia. We sought to assess the histol...

journal_title：Histopathology

authors： El Zein S,Boccara O,Soupre V,Vieira AF,Bodemer C,Coulomb A,Wassef M,Fraitag S

更新日期：2020-08-01 00:00:00

abstract：AIMS:Perineural invasion (PNI) by prostatic adenocarcinoma is debated as a prognostic parameter. This study investigates the prognostic predictive value of PNI in a series of patients with locally advanced prostate cancer treated with radiotherapy and androgen deprivation using 10 years outcome data from the TROG 03.04...

journal_title：Histopathology

authors： Delahunt B,Murray JD,Steigler A,Atkinson C,Christie D,Duchesne G,Egevad L,Joseph D,Matthews J,Oldmeadow C,Samaratunga H,Spry NA,Srigley JR,Hondermarck H,Denham JW

更新日期：2020-08-01 00:00:00

abstract：AIMS:Malignant pleural mesothelioma (MPM) is a rare malignancy with a dismal prognosis. While the epithelioid type is associated with a more favourable outcome, additional factors are needed to further stratify prognosis and to identify patients who can benefit from multimodal treatment. As epithelioid MPM shows remark...

journal_title：Histopathology

authors： Bilecz A,Stockhammer P,Theegarten D,Kern I,Jakopovic M,Samarzija M,Klikovits T,Hoda MA,Döme B,Oberndorfer F,Muellauer L,Fillinger J,Kovács I,Pirker C,Schuler M,Plönes T,Aigner C,Klepetko W,Berger W,Brcic L,Laszlo

更新日期：2020-07-01 00:00:00

abstract：AIMS:Mucoepidermoid carcinoma (MEC) is one of the most common salivary gland carcinomas. Epidermal growth factor receptor (EGFR) signalling pathway gene mutations are important in predicting a patient's prognosis, selecting molecularly targeted drugs and estimating the efficacy of a molecular therapy. However, their si...

journal_title：Histopathology

authors： Morita M,Murase T,Okumura Y,Ueda K,Sakamoto Y,Masaki A,Kawakita D,Tada Y,Nibu KI,Shibuya Y,Inagaki H

更新日期：2020-06-01 00:00:00

abstract：AIMS:Biliary intraductal tubular neoplasms that are non-mucinous and negative for mucin 5AC (MUC5AC) are called intraductal tubulopapillary neoplasms (ITPNs). Intraductal tubular neoplasms with mucinous cytoplasm and MUC5AC positivity also occur and their nature remains unclear, although some pathologists may classify ...

journal_title：Histopathology

authors： Akita M,Hong SM,Sung YN,Kim MJ,Ajiki T,Fukumoto T,Itoh T,Zen Y

更新日期：2020-06-01 00:00:00

abstract：AIMS:The clinical significance of common histological parameters in acute interstitial nephritis (AIN) is uncertain. We aimed to evaluate the utility of histology in predicting clinical outcomes in patients with AIN. METHODS AND RESULTS:Adult renal biopsies yielding a diagnosis of AIN between 2000 and 2015 were re-exa...

journal_title：Histopathology

authors： Rankin AJ,Cannon E,Gillis K,Crosby J,Mark PB,Geddes CC,Fox JG,Mackinnon B,McQuarrie EP,Kipgen D

更新日期：2020-04-01 00:00:00

abstract：AIMS:BCOR gene alteration is a genetic signature of rare subsets of sarcomas. Most BCOR-associated sarcomas thus far reported are in the pediatric population, except for uterine sarcomas. We studied seven cases of BCOR-associated non-uterine sarcomas in adult patients. METHODS AND RESULTS:The patients were four men an...

journal_title：Histopathology

authors： Yoshida A,Arai Y,Hama N,Chikuta H,Bando Y,Nakano S,Kobayashi E,Shibahara J,Fukuhara H,Komiyama M,Watanabe SI,Tamura K,Kawai A,Shibata T

更新日期：2020-03-01 00:00:00

abstract：AIMS:Hereditary leiomyomatosis and renal cell cancer (HLRCC) syndrome is caused by germline mutations in the Fumarate hydratase (FH) gene. In young women, the syndrome often presents with symptomatic uterine leiomyomas, leading to myomectomy or hysterectomy. In this study, we aimed to investigate the incidence and muta...

journal_title：Histopathology

authors： Liu C,Dillon J,Beavis AL,Liu Y,Lombardo K,Fader AN,Hung CF,Wu TC,Vang R,Garcia JE,Xing D

更新日期：2020-02-01 00:00:00

abstract：AIMS:Immune check-point inhibitors are known to cause immune-mediated adverse liver injury, but our knowledge is mainly based on cases treated with ipilimumab or nivolumab. METHODS AND RESULTS:Clinicopathological features of 10 patients with hepatobiliary adverse reactions caused by second-generation drugs, pembrolizu...

journal_title：Histopathology

authors： Zen Y,Chen YY,Jeng YM,Tsai HW,Yeh MM

更新日期：2020-02-01 00:00:00

abstract：AIMS:Colorectal adenocarcinoma with enteroblastic differentiation (CAED) is a rare malignancy, and its clinicopathological characteristics have not yet been fully elucidated. This study aimed to elucidate the clinicopathological features of CAED through immunostaining of enteroblastic lineage markers alpha-fetoprotein ...

journal_title：Histopathology

authors： Murakami T,Yao T,Yatagai N,Yamashiro Y,Saito T,Sakamoto N,Nagahara A

更新日期：2020-01-01 00:00:00

abstract：AIMS:Patients with aggressive CD8+ cutaneous T-cell lymphomas (CTCLs) progress rapidly and respond poorly to therapy. Confounding treatment planning, there is clinicopathological overlap between aggressive CD8+ CTCLs and other lymphoproliferative disorders (LPDs). Hence, improved diagnostic methods and therapeutic opti...

journal_title：Histopathology

authors： Geller S,Hollmann TJ,Horwitz SM,Myskowski PL,Pulitzer M

更新日期：2020-01-01 00:00:00

abstract：AIMS:Despite increasing interest in the recently established immunoglobulin 4-related disease (IgG4-RD), its pathogenesis and aetiology remain largely unclear. Characteristic histopathological features are one of the key elements of diagnosis, including 'storiform' fibrosis, obliterative phlebitis, increased lymphoplas...

journal_title：Histopathology

authors： Nowak V,Agaimy A,Kristiansen G,Gütgemann I

更新日期：2020-01-01 00:00:00

abstract：:The treatment of cancer has changed dramatically over the last decade, driven by increased understanding of the cancer genome, immune landscape, molecular alterations and aberrant pathways that drive cancer progression. Advances in molecular biology have led to the development of targeted agents, including monoclonal ...

journal_title：Histopathology

authors： Crusz SM,Miller RE

更新日期：2020-01-01 00:00:00

abstract：AIMS:Pulmonary chondromas, which are rare cartilaginous neoplasms that often arise in the setting of Carney triad, are morphologically similar to pulmonary hamartomas, which are much more common. There is evidence that succinate dehydrogenase (SDH) deficiency drives neoplasia in patients with Carney triad, and SDHB imm...

journal_title：Histopathology

authors： Chatzopoulos K,Fritchie KJ,Aubry MC,Carney JA,Folpe AL,Boland JM

更新日期：2019-12-01 00:00:00

abstract：AIMS:Clear cell chondrosarcomas are known to occasionally contain areas of low-grade conventional chondrosarcoma; however, the opposite phenomenon has not yet been described. We identified five cases of conventional chondrosarcoma alongside clear cell chondrosarcoma. Here, we report on their clinicopathological and mol...

journal_title：Histopathology

authors： Lam SW,van Langevelde K,Suurmeijer AJH,Cleven AHG,Bovée JVMG

更新日期：2019-12-01 00:00:00

abstract：AIMS:Segmental atrophy (SA) of the liver is a recently described pseudotumour that can show a broad spectrum of histological changes. The previously described histological differential diagnosis of SA has included cystic disease of the liver, amyloid, cancer-associated elastosis, and epithelioid haemangioendothelioma. ...

journal_title：Histopathology

authors： Findeis-Hosey JJ,Zhou Z,Gonzalez RS

更新日期：2019-12-01 00:00:00

abstract：AIMS:To characterise the mutational profiles of poorly differentiated thyroid carcinoma (PDTC) and anaplastic thyroid carcinoma (ATC) and to identify markers with potential diagnostic, prognostic and therapeutic significance. METHODS AND RESULTS:Targeted next-generation sequencing with a panel of 18 thyroid carcinoma-...

journal_title：Histopathology

authors： Duan H,Li Y,Hu P,Gao J,Ying J,Xu W,Zhao D,Wang Z,Ye J,Lizaso A,He Y,Wu H,Liang Z

更新日期：2019-12-01 00:00:00

abstract：AIMS:Thymic carcinoma is rare and usually has a fatal outcome. Gene mutations in the epidermal growth factor receptor (EGFR) signalling pathway and TP53 have not been well analysed in thymic carcinoma. METHODS AND RESULTS:We examined a large cohort of thymic carcinoma and thymoma type A/B3 and looked for gene mutation...

journal_title：Histopathology

authors： Sakane T,Murase T,Okuda K,Saida K,Masaki A,Yamada T,Saito Y,Nakanishi R,Inagaki H

更新日期：2019-11-01 00:00:00

abstract：:The introduction of fast and robust whole slide scanners has facilitated the implementation of 'digital pathology' with various uses, the final challenge being full digital diagnostics. In this article, we describe the implementation process of a fully digital workflow for primary diagnostics in 2015 at the University...

journal_title：Histopathology

authors： Stathonikos N,Nguyen TQ,Spoto CP,Verdaasdonk MAM,van Diest PJ

更新日期：2019-11-01 00:00:00

abstract：AIMS:To discern the differences in expression profiling of two histological subtypes of colorectal carcinoma (CRC) arising from the serrated route (serrated adenocarcinoma (SAC) and CRC showing histological and molecular features of a high level of microsatellite instability (hmMSI-H) both sharing common features (fema...

journal_title：Histopathology

authors： García-Solano J,Turpin-Sevilla MDC,García-García F,Carbonell-Muñoz R,Torres-Moreno D,Conesa A,Conesa-Zamora P

更新日期：2019-10-01 00:00:00

abstract：:The International Collaboration on Cancer Reporting (ICCR) is a not-for-profit organisation sponsored by the Royal Colleges of Pathologists of Australasia and the United Kingdom, the College of American Pathologists, the Canadian Association of Pathologists in association with the Canadian Partnership Against Cancer, ...

journal_title：Histopathology

authors： Shanks JH,Srigley JR,Brimo F,Comperat E,Delahunt B,Koch M,Lopez-Beltran A,Reuter VE,Samaratunga H,Tsuzuki T,van der Kwast T,Varma M,Grignon D

更新日期：2019-10-01 00:00:00

abstract：AIMS:The B7 family check-point molecules are potential therapeutic targets in cancer immunotherapy. However, their expression status in human gestational trophoblastic neoplasia (GTN) remains unknown. We investigated the expression profiles of the B7 family check-point proteins PD-L1, PD-L2, B7-H3, B7-H4, VISTA and B7-...

journal_title：Histopathology

authors： Zong L,Zhang M,Wang W,Wan X,Yang J,Xiang Y

更新日期：2019-09-01 00:00:00