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Immunofluorescence studies on frozen sections are an essential component in the evaluation of renal biopsies. The basic panel in most centres constitutes IgG, IgA, IgM, C3c, C1q, Kappa and Lambda light chain a...
Pulmonary hemosiderosis is a rare disease that may be idiopathic or have a secondary etiology, such as mitral stenosis. The disease is a clinical and functional consequence of iron overload in the lungs in the...
CDX2, a homeobox gene is the marker of intestinal differentiation. Its expression may lead to misdiagnosis while evaluating metastasis from unknown primary. In the present narrative, we discuss the clinical, m...
Extraskeletal osteosarcoma arising in the penis is exceedingly rare and its major differential diagnosis is sarcomatoid carcinoma.
Renal cell carcinoma, notably clear cell renal cell carcinoma in particular, show remarkable predisposition for intravenous growth. Retrograde venous invasion results in intravascular emboli in renal sinus and...
The cytokines play an essential role in acute inflammatory processes, and the IL-17 may be responsible for ambiguous aspects, and the correlation with genetic polymorphisms could improve the search for this cr...
Paget’s disease of the nipple (PDN) is a rare type of cancer of the nipple-areola complex. We examined GATA3 protein expression in PDN to determine its potential value as an adjunct marker in the differential ...
A hypertrophic / vegetating variant of Darier disease causing massive verruciform genital tumors is exceedingly rare.
BCG is the standard of care to treat high risk non-muscle invasive bladder cancer (NMIBC), reducing recurrence. PD-L1 is a ligand of the co-inhibitory receptor PD1 that has been shown to be expressed by tumor ...
Timely and correct assessment of histopathological, immunohistochemical and molecular features of biopsy and surgical specimens is of paramount importance in the provision of care to patients with breast cance...
This study was designed to evaluate the frequency of developing second and subsequent primary cancers among cancer survivors.
Lymphovascular invasion is a hallmark of malignant neoplasms, however the presence of benign epithelium within vessels has been reported in benign processes, albeit infrequently. The proposed mechanism to expl...
Oncocytic mucoepidermoid carcinoma is a rare variant of mucoepidermoid carcinoma. Only a few cases are reported involving mostly the parotid gland with only four cases reported in the submandibular gland. Masterm...
Intracellular Ca2+ levels can modulate several cellular functions, including proliferation and other processes found altered in neoplastic cells. Helping to maintain Ca2+ homeostasis, L-type voltage-dependent Ca2...
The parasites causes localized and generalized infections to the host depends on the parasite attachment organs, depth of penetration, site of location and worm burdens.
A collision tumor is a neoplastic lesion comprised of two or more distinct cell populations with distinct borders. Desmoid fibromatosis (DF) is a rare musculoaponeurotic tissue tumor that grows deep in the con...
The original article was published in Surgical and Experimental Pathology 2020 3:1
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...
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