Clinicopathological features and prognosis of combined hepatocellular carcinoma and cholangiocarcinoma after surgery.Lee SD, Park SJ, Han SS, Kim SH, Kim YK, Lee SA, Ko YH, Hong EK. Hepatobiliary Pancreat Dis Int. 2014 Dec;13(6):594-601. PMID: #25475861#
Theise ND, Nakashima O, Park YN. Combined hepatocellular-cholangiocacinoma in WHO classification of tumors of the digestive system; World health (...)
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Ectopic cervical thymoma is a rare tumor that probably arises from ectopic thymic tissue trapped during migration of thymic primordia in the embryonic stage.
Ectopic cervical thymoma: a mimic of T-lymphoblastic lymphoma. Chang ST, Chuang SS. Pathol Res Pract. 2003;199(9):633-5. PMID: #14621201#
Precursor T-cell acute lymphoblastic leukemia/lymphoblastic lymphoma (T-cell ALL/LBL) also is a tumor frequently occurring in the anterior mediastinum.
When a large biopsy or resection specimen is available for review, the morphologic differentiation between thymoma and T-cell ALL/LBL, in general, is straightforward.
Owing to its anatomic location, however, the initial study of a mediastinal mass often commences with fine-needle aspiration (FNA) or mediastinoscopic biopsy, severely (...)
Thymocytes are immature T lymphocytes with varying degrees of maturation. They commonly are encountered in the study of anterior mediastinal masses and often are a significant component of hyperplastic thymus or lymphocyte-rich thymoma (type B1).
Synonym(s): rectectomy. [proct- + G. ektomē, excision]
Definition: Surgical resection of the rectum.
hemicolectomy right hemicolectomy left hemicolectomy extended hemicolectomy
sigmoidectomy It is a resection of the sigmoid colon, sometimes including part or all of the rectum (proctosigmoidectomy). When a sigmoidectomy is followed by terminal colostomy and closure of the rectal stump, it is called a Hartmann operation; this is usually done out of impossibility to perform a "double-barrel" or Mikulicz colostomy, which is preferred because it makes (...)
According to the 2010 World Health Organization classification, all gastrointestinal neuroendocrine tumors (NETs) are classified as malignant except for L-cell-type (glucagon-like peptide [GLP] and peptide YY [PYY]-producing) NETs.
Non-L-cell immunophenotype and large tumor size are associated with increased tumor grading and staging, concurrently indicating that they are independently poor prognostic indicators in rectal NET patients. Therefore, combining L-cell phenotype and tumor size (...)
cadherin-17; cadherin 17;
Cadherin 17 (CDH17) is expressed primarily in the normal intestine and digestive tract tumors and has not been detected in tumors from other sites including the kidney.
Expression in tumors
metanephric adenoma Metanephric adenoma (MA) is a rare benign renal neoplasm that shares morphologic and immunophenotypic overlap with epithelial-predominant Wilms tumor (e-WT) and with the solid variant of papillary renal cell carcinoma (s-PRCC). CDH17 is a sensitive (...)
Fibroblastic reticular cell (FRC) neoplasms
Fibroblastic reticular cell (FRC) neoplasms, which are one of the histiocyte tumor types, are very rare.
cytokeratin (CK)-positive FRC neoplasm having features of follicular dendritic cells
lymph node : multiple nodular aggregations simulating and replacing normal follicles. - The tumor cells have a uniform, large and oval to polygonal shape, abundant cytoplasm, and various sizes of nuclei with central eosinophilic nucleoli and (...)
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