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The emergence of digital pathology environments and the application of computer vision to the analysis of histological sections has given rise to a new area of Anatomical Pathology, termed Computational Pathol...
Advances in digital imaging in pathology and the new capacity to scan high-quality images have change the way to practice and research in surgical pathology. QuPath is an open-source pathology software that of...
This study evaluated histopathological characteristics of bone marrow (BM) of patients with immune thrombocytopenic purpura (ITP) and sought to find possible associations among them and clinical aspects.
India reports the highest number of extrapulmonary tuberculosis (EPTB) cases globally, most of which are lymph node TB (LNTB). In high tuberculosis (TB) burden countries rapid diagnosis is very important. Fine...
Therapy-related acute monocytic leukemias in patients with plasma cell dyscrasias are infrequent.
In gastric cancer, nodal stage plays an important role. Insufficient lymph node harvesting or incomplete examination may lead to misclassification and affect postoperative strategy and group survival. This stu...
Small cell-like change in prostatic neoplasia (both invasive adenocarcinoma and intraepithelial lesions) is described in three previous reports. None of them to date proved to be associated with overt prostate...
Meningiomas represent the most frequently diagnosed intracranial tumors. Inflammatory cells present in the tumor can modulate both antitumor and protumor functions, and modify the therapeutic response. Hematol...
Mucinous tubular and spindle cell carcinoma (MTSCC) is a type of renal cell carcinoma (RCC) described as an entity with low-grade and low malignant potential. This report presents a high-grade transformation o...
The inverted (hobnail) variant of high-grade prostatic intraepithelial neoplasia (HGPIN) has been reported in two previous series and one case of inverted polarity in invasive adenocarcinoma has been reported....
Intramedullary lipomatous tumors are rare and mostly reported in the metaphysis of the femur, tibia, and fibula. Myelolipomas are very rare tumors composed of adipose tissue and hematopoietic cells commonly re...
Cribrifrom-morular variant of papillary thyroid carcinoma (CMVPTC) is an uncommon thyroid neoplasm that occurs predominantly in women and is sometime associated with familial adenomatous polyposis (FAP). Some ...
Although usually believed to be harmless, intestinal spirochetosis may active erosive colitis associated with intestinal spirochetosis that may mimic idiopathic chronic inflammatory bowel disease. Case present...
The original article was published in Surgical and Experimental Pathology 2021 4:15
Primary cystic neoplasms of the peritoneum are rare lesions and not commonly encountered in practice. Many intra-abdominal processes may mimic cystic masses within the peritoneal cavity and pose a diagnostic c...
Malignant Solitary fibrous tumour (SFT) is an uncommon mesenchymal tumour with aggressive clinical behaviour as compared to its benign counterpart. There are only a handful of reports of extra-pleural malignan...
Adoption of molecular pathology in Brazil is currently very limited. Of note, there are no programs for training new molecular pathologists in the country; thus, documents compiling nationally applicable infor...
The Correction to this article has been published in Surgical and Experimental Pathology 2021 4:18
TGFβ signaling exerts context-specific effects in breast cancer (BC) pathogenesis and single nucleotide polymorphisms (SNPs) in TGFβ-signaling components play a role in the genetic control of their expression ...
Lymphangioleiomyomatosis (LAM) is a rare neoplastic disease of the lung with a characteristic feature of diffuse cystic changes in bilateral lungs. Lung transplantation is considered to be one of the effective...
SARS CoV-19 was declared as a pandemic by the World Health Organization (WHO), raising up challenges on various levels ranging from therapeutics to diagnostics. The conventional autopsy technique may pose a he...
Parkin, a protein encoded by PRKN, discovered in the context of Parkinson’s disease, controls proteasomal degradation by protein ubiquitination and acts on cell cycle control and mitochondrial homeostasis, among ...
Triple-negative breast cancer (TNBC) is a heterogeneous disease that represents 10–20% of breast cancer cases. The prognosis for advanced TNBC is usually poor, with a median overall survival of approximately 1...
Endometrial carcinoma is associated with several known prognostic factors. Recently, lymphovascular invasion (LVI) has gained a prominent position in the risk assessment of early endometrioid endometrial carci...
Karyomegalic interstitial nephritis (KIN) is an uncommon cause of chronic interstitial nephritis that eventually progresses to end-stage renal disease. Overall less than 50 cases have been reported in the lite...
Extracellular matrix (ECM) represents more than a mere intercellular cement. It is physiologically active in cell communication, adhesion and proliferation. Collagen is the most abundant protein, making up to ...
A solitary fibrous tumor (SFT) is an uncommon neoplasm of mesenchymal and probably fibroblastic origin, occurring mainly in the extremities, and pleura. However, a primary involvement of endocrine organs is ra...
Adenomatoid tumors (AT) are benign neoplasms of mesothelial origin that occur more frequently in the genital tracts. In uterus, AT are usually located in the subserosa of the cornual myometrium. Microscopicall...
Classification of renal cell carcinomas has become more challenging. The 2016 WHO classification included 14 different subtypes and 4 emerging/provisional entities, and recent literature indicates new entities...
Muscle biopsies are important diagnostic procedures in neuromuscular practice. Recent advances in genetic analysis have profoundly modified Myopathology diagnosis.
Complete lymph node dissection (CLND) following a positive sentinel lymph node biopsy (SLNB) has been the standard treatment for years. However, there is increasing evidence that CLND could be omitted. Approxi...
An amendment to this paper has been published and can be accessed via the original article.
The original article was published in Surgical and Experimental Pathology 2020 3:16
The IgG4-related disease (IgG4-RD) is a systemic immune-mediated non-neoplastic disease associated with IgG4 positive plasma cells and fibrosis that often presents as a mass lesion. Although the disease could ...
Breast cancer is a major public health problem worldwide. It is recommended that small breast lesions or those suspicious for malignancy be evaluated via histopathological examination (“core biopsy” or surgica...
Blastocyst implantation and neoplastic invasion have some common properties related to tissue invasion, mediated by various cytokines.
Prostate adenocarcinoma has well known benign mimickers. Histiocytic proliferations usually impose differential diagnosis with high-grade component of acinar adenocarcinoma (Gleason pattern 5).
Urothelial carcinoma shows wide plasticity and broad morphologic spectrum. In many instances, the presence of papillary morphology is reassuring of the urothelial histogenesis of a high-grade invasive lesion b...
Lupus mastitis (LM) is a rare complication of systemic lupus erythematosus (SLE) or discoid lupus erythematosus (DLE). The clinical presentations of LM may mimic breast malignancy, and biopsy or excision is us...
Rosai-Dorfman disease (RDD) is a rare but well-defined, histiocytic proliferative disorder with massive lymphadenopathy.
Cystic neutrophilic granulomatous mastitis (CNGM) is an uncommon and recently described pattern of granulomatous mastitis. To our knowledge, no cases have been described during chemotherapy for invasive breast...
The term low-grade oncocytic tumour of kidney is an emerging entity describing CD117-negative and cytokeratin 7-positive indolent tumors with overlapping morphological features between oncocytic tumors.
Adenoid cystic carcinoma and primary squamous cell carcinoma are both rare breast neoplasms, which possess drastically different morphological and molecular features as well as distinguishing clinical behavior...
Recurrent disease following failed chemotherapy for muscle-invasive urothelial carcinoma (UC) has no universally accepted treatment guidelines. Receptors for luteinizing hormone-releasing hormone (LHRHR) have ...
Coronavirus disease 2019 (COVID-19), which started in Wuhan, China, in late December 2019, was declared a pandemic, infecting more than twelve million people worldwide. Few studies have reported the findings o...
The World Health Organization’s (WHO) update of 2017 defines the cut-off for BCL2 in immunohistochemistry (IHC) in 50% of stained cells in diffuse large B-cell lymphomas (DLBCL). The WHO’s 2017 classification,...
The Notch signaling pathway and its modulators are directly related to growth, verticalization and metastasis in melanoma, being a possible therapeutic target for the treatment of this type of cancer. There ar...
Eccrine porocarcinoma is a rare malignancy accounting for 0.005 to 0.01% of all cutaneous tumors. However, its etiology is not well established. Herein we are reporting the occurrence of metastatic porocarcino...
The Correction to this article has been published in Surgical and Experimental Pathology 2021 4:1
Fibrosing pneumonias are a group of interstitial lung diseases with a different etiologic background and divergent prognosis. They are differentiated into usual interstitial pneumonia (UIP), non-specific inter...
To evaluate the frequency of divergent differentiations / variant morphology in urothelial carcinoma, and their association with muscle-invasive disease at diagnosis.
Morphologic distinction between uterine leiomyosarcoma (ULMS) and endometrial stromal sarcoma (ESS) alone is not straightforward and has been shown to be challenging especially with poor differentiation, so im...
Benign melanocytic lesions of the prostate are rare and classified as blue nevus or melanosis. Both lesions have about 30 cases each reported in English literature.
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