Malignant perivascular epithelioid cell tumor of the colon: report of a case with molecular analysis.

abstract：:An association between autoimmune pancreatitis (AIP) and inflammatory abdominal aortic aneurysm (AAA) has never been reported. Reported herein is a case of IgG4-related inflammatory AAA accompanying metachronous AIP. A 77-year-old man presented with malaise and intermittent lower abdominal pain. Radiological examinati...

journal_title：Pathology international

authors： Ito H,Kaizaki Y,Noda Y,Fujii S,Yamamoto S

更新日期：2008-07-01 00:00:00

abstract：:BAT-26 instability, a sensitive marker for the high-frequency microsatellite instability (MSI-H) phenotype, was analyzed in samples of gastric cancer and in adjacent intestinal metaplastic mucosae. Although all MSI-H gastric cancer samples showed BAT-26 instability, as assessed using 12 dinucleotide microsatellite mar...

journal_title：Pathology international

authors： Jin Z,Tamura G,Satoh M,Meguro T,Miura T,Hayashi M,Osakabe M,Ohmura K,Ogata S,Endoh Y,Motoyama T

更新日期：2001-06-01 00:00:00

abstract：:Tight junctions are intercellular junctions adjacent to the apical ends of paracellular spaces. They have two classical functions, the barrier function and the fence function. The former regulates the passage of ions, water and various molecules through paracellular spaces, and is thus related to edema, jaundice, diar...

journal_title：Pathology international

authors： Sawada N

更新日期：2013-01-01 00:00:00

abstract：:Chronic active Epstein-Barr virus infection (CAEBV) is a syndrome that takes diverse clinical courses and is often associated with lymphoproliferative disorders of T/natural killer (NK)-cell lineage. We describe a patient with CAEBV associated with persistent pharyngeal ulcer, and with subsequent nasal T/NK-cell lymph...

journal_title：Pathology international

authors： Nagata H,Numata T,Konno A,Mikata I,Kurasawa K,Hara S,Nishimura M,Yamamoto K,Shimizu N

更新日期：2001-10-01 00:00:00

abstract：:The Association of Directors of Anatomic and Surgical Pathology has developed recommendations for the surgical reporting of common malignant tumors. The recommendations for prostatic carcinoma are reported herein. ...

journal_title：Pathology international

authors：

更新日期：1997-04-01 00:00:00

abstract：:The classical nomenclature and categorization of neoplastic and non-neoplastic nodular lesions of the liver are being revised due to the tremendous volume of information recently published on this issue. The diagnostic histopathology of non-neoplastic nodular (tumor-like) lesions of the liver that are recognizable in ...

journal_title：Pathology international

authors： Nakanuma Y

更新日期：1995-10-01 00:00:00

abstract：:A case of a 66-year-old Japanese woman with two synchronous urinary bladder tumors, namely verrucous carcinoma and poorly differentiated squamous cell carcinoma, is described. Both tumors were accompanied by widespread squamous metaplasia in the background and unassociated with bilharzial infection. The poorly differe...

journal_title：Pathology international

authors： Oida Y,Yasuda M,Kajiwara H,Onda H,Kawamura N,Osamura RY

更新日期：1997-09-01 00:00:00

abstract：:A 35-year-old Japanese man who had experienced hoarseness for 10 years presented with a vocal cord lesion. A gross examination revealed a left vocal cord polyp occupying two-thirds of the vocal space. The endoscopically resected lesion contained scattered atypical fibroblastic, stellate, or ganglion-like cells with mu...

journal_title：Pathology international

authors： Yorita K,Togashi Y,Nakagawa H,Miyazaki K,Sakata S,Baba S,Takeuchi K,Hayashi Y,Murakami I,Kuroda N,Oda Y,Kohashi K,Yamada Y,Kiyozawa D,Michal M,Michal M

更新日期：2019-06-01 00:00:00

abstract：:Conditions of preserving DNA, RNA and protein in pathological specimens are of great importance as degradation of such macromolecules would critically affect results of molecular biological analysis. The feasibility of freeze-drying as a means of preserving pathological tissue samples for molecular analysis has previo...

journal_title：Pathology international

authors： Matsuo S,Sugiyama T,Okuyama T,Yoshikawa K,Honda K,Takahashi R,Maeda S

更新日期：1999-05-01 00:00:00

abstract：:In 2004, two groups reported somatic mutations in the gene for the epidermal growth factor receptor (EGFR) in patients with non-small cell lung cancer (NSCLC), which were highly correlated with the clinical response to the anticancer drug, gefitinib. Since then, a tremendous amount of knowledge has accumulated, and sh...

journal_title：Pathology international

authors： Yatabe Y,Mitsudomi T

更新日期：2007-05-01 00:00:00

abstract：:We report a very rare case of combined thymic carcinomas: undifferentiated thymic carcinoma coexisting with type AB thymoma. The precise mechanism underlying the coexistence of these tumors remains unknown. Therefore, we used clonality analysis to ascertain whether the two tumors were clonally related. A 63-year-old w...

journal_title：Pathology international

authors： Karino F,Yokose T,Matsukuma S,Miyagi Y,Murakami S,Ito H,Nakayama H,Yamada K

更新日期：2016-07-01 00:00:00

abstract：:A report of a 65-year-old male with a tumor arising from synovial tissue of the radio-ulnar joint. On magnetic resonance imaging, the tumor was demonstrated as a heterogeneous and lobulated mass with a low signal intensity both in T1- and T2-weighted images. Histological findings of the tumor were identical to those o...

journal_title：Pathology international

authors： Misawa A,Okada K,Hirano Y,Sageshima M

更新日期：1999-12-01 00:00:00

abstract：:Patients with pulmonary small cell carcinoma are well known to have a poor prognosis. However, predictors of prognosis and treatment outcome have not been reported for this type of cancer. We examined whether excision repair cross-complementation group 1 (ERCC1), phosphorylated Akt (p-Akt), phosphorylated mammalian ta...

journal_title：Pathology international

authors： Ikeda S,Takabe K,Inagaki M,Suzuki K

更新日期：2010-11-01 00:00:00

abstract：:Esophageal squamous cell carcinoma in situ (SCCIS) with diffuse pagetoid features is a recently recognized rare variant of squamous cell carcinoma. A histopathological study of a specimen from a 70-year-old male Japanese patient is reported. The patient died of respiratory failure due to rapidly progressing metastatic...

journal_title：Pathology international

authors： Ishihara A,Mori T,Koono M

更新日期：2002-02-01 00:00:00

abstract：:Niemann-Pick disease type C (NPC) is a neurovisceral lipid-storage disease. Although NPC patients show lipid storage in anterior horn cells of the spinal cord, little information is available regarding the electron microscopic analyses of the morphologies of intra-endosomal lipid like-materials in the anterior horn ce...

journal_title：Pathology international

authors： Kusunoki-Ii M,Kohama H,Kato K,Nomura Y,Nagashima K,Ninomiya H,Kato M,Kato S

更新日期：2020-07-01 00:00:00

abstract：:Myofibroblasts have ultrastructural and functional characteristics intermediate between fibroblasts and smooth muscle cells. Previous studies indicated that most myofibroblasts express actin and vimentin but not desmin immunophenotypes. Two benign intramuscular myofibroblastic tumors which displayed a desmin-positive ...

journal_title：Pathology international

authors： Yang P,Hirose T,Seki K,Hasegawa T,Hizawa K,Sano T

更新日期：1996-09-01 00:00:00

abstract：:An intrathoracic mass was discovered on magnetic resonance imaging (MRI) of the spine in a 37-year-old Caucasian man with a 1 year history of progressively severe upper back pain. A subsequent chest CT scan indicated a 4 cm left hilar mass, extending to the apex and encasing a portion of the left bronchus and pulmonar...

journal_title：Pathology international

authors： Bahrami A,Allen TC,Cagle PT

更新日期：2008-11-01 00:00:00

abstract：:Leiomyomatosis peritonealis disseminata (LPD) is a rare clinicopathological entity typically observed in women of reproductive age. We report a case of LPD with malignant change in a man. A 77-year-old man presented with a mass measuring 10 cm in diameter at the terminal ileum and numerous peritoneal small nodules tha...

journal_title：Pathology international

authors： Yamaguchi T,Imamura Y,Yamamoto T,Fukuda M

更新日期：2003-03-01 00:00:00

abstract：:Epstein-Barr virus (EBV) infection is associated with pathogenesis of various cancers, including extranodal natural killer/T-cell lymphoma, nasal type (ENKL). ENKL tumor cells are positive for EBV-encoded RNA1 (EBER1), which is the most useful marker to identify ENKL tumor cells in histopathology. Currently, EBER1 in ...

journal_title：Pathology international

authors： Ito Y,Makita S,Maeshima AM,Hatta S,Yuda S,Suzuki T,Fukuhara S,Munakata W,Taniguchi H,Suzuki T,Maruyama D,Izutsu K

更新日期：2019-07-01 00:00:00

abstract：:A 70-year-old man with metastatic liver tumors showed carcinoid syndrome with clinical symptoms of facial flushing, palpitation, dyspnea, and an itching sensation. Regurgitation of the tricuspid and aortic valves was observed by echocardiography. An elevated serum level of serotonin and a high urine excretion of serot...

journal_title：Pathology international

authors： Sakai D,Murakami M,Kawazoe K,Tsutsumi Y

更新日期：2000-05-01 00:00:00

abstract：:Herein is presented a case of carcinosarcoma of the pancreas in an 82-year-old woman, analyzed on immunohistochemistry and K-ras sequence. The tumor, which arose in the pancreas head, was removed on pancreaticoduodenectomy. The patient died, however, of disseminated intravascular coagulation syndrome from postoperativ...

journal_title：Pathology international

authors： Nakano T,Sonobe H,Usui T,Yamanaka K,Ishizuka T,Nishimura E,Hanazaki K

更新日期：2008-10-01 00:00:00

abstract：:The factors conferring the increased malignancy on lung adenocarcinoma with micropapillary component (AC-MPC) remain to be elucidated. On proteomics based on 2-dimensional gel electrophoresis, 19 proteins differentially expressed by more than 1.5-fold between AC-MPC and conventional adenocarcinoma (CAC); in particular...

journal_title：Pathology international

authors： Nakashima H,Jiang SX,Sato Y,Hoshi K,Matsumoto T,Nagashio R,Kobayashi M,Matsuo Y,Shiomi K,Hayakawa K,Saegusa M,Satoh Y

更新日期：2015-04-01 00:00:00

abstract：:Pilomyxoid astrocytoma, first described by Tihan et al., was recently included as an established variant of pilocytic astrocytoma in the World Health Organization classification of CNS tumors. Histologically, it much resembles pilocytic astrocytoma, but monomorphic myxoid tumor of pilocytic cells with prominent angioc...

journal_title：Pathology international

authors： Amatya VJ,Akazawa R,Sumimoto Y,Takeshima Y,Inai K

更新日期：2009-02-01 00:00:00

abstract：:This report describes a case of an immunocompetent 77-year-old male with Epstein-Barr virus (EBV)-positive lymphoproliferative disorder associated with calcified chronic subdural hematoma (CSH). On the day prior to consultation in our outpatient clinic, the patient fell from his bed, striking his frontal head on the f...

journal_title：Pathology international

authors： Sugita Y,Ohta M,Ohshima K,Niino D,Nakamura Y,Okada Y,Nakashima S

更新日期：2012-06-01 00:00:00

abstract：:We studied the extensive molecular alterations of endometrial endometrioid adenocarcinoma (EEA) using a crypt isolation method. We analyzed copy number variation (CNV) using a single nucleotide polymorphism (SNP) array, genetic mutations (KRAS, BRAF, p53, PIK3CA), DNA methylation and microsatellite instability (MSI) s...

journal_title：Pathology international

authors： Suga Y,Sugai T,Uesugi N,Kawasaki T,Fukagawa T,Yamamoto E,Ishida K,Suzuki H,Sugiyama T

更新日期：2015-05-01 00:00:00

abstract：:An extremely rare case of malignant mesothelioma of the pericardium is reported. The tumor appeared to be the biphasic type of diffuse malignant mesothelioma which present many small to fine lipid droplets in the cytoplasm, particularly that of the epithelial cell, and a positive immunohistochemical reaction with anti...

journal_title：Pathology international

authors： Ohmori T,Arita N,Okada K,Kondo M,Tabei R

更新日期：1995-08-01 00:00:00

abstract：:A case of small intestinal extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) with monoclonal cryoglobulinemia is described. The patient was a woman in her mid-sixties with purpura of the bilateral lower legs and abdominal pain. An immunoserological investigation showed expre...

journal_title：Pathology international

authors： Saito T,Tamaru J,Kishi H,Kayao J,Kuzuu Y,Wakita H,Adachi A,Itoyama S,Mikata I

更新日期：2004-09-01 00:00:00

abstract：:A case of lymphoid hyperplasia arising in the large intestine of a 54-year-old woman is described. Barium enema X-ray and colonoscopic examination revealed multiple small polyps in the right side of the colon. Pathological findings from forceps biopsy revealed similar features to a mucosa-associated lymphoid tissue (M...

journal_title：Pathology international

authors： Nagaoka S,Bandoh T,Takemura T

更新日期：2000-09-01 00:00:00

abstract：:One hundred and fifteen patients with chronic hepatitis C were administered interferon (IFN) and classed into two groups: (i) complete responders (CR), HCV-RNA continuously negative 1 year after treatment; and (ii) non-responders (NR), positive 1 year after treatment. Multivariate analysis comprised eight variables: a...

journal_title：Pathology international

authors： Kim SR,Hayashi Y,Yoon S,Taniguchi M,Yang MK,Kim KI,Kim MM,Saeki K,Nukata I,Imoto S

更新日期：1998-03-01 00:00:00

abstract：:Soluble receptor-resistant mutant 7 (ssr7) is isolated from a highly neurovirulent mouse hepatitis virus (MHV) JHMV cl-2 strain (cl-2). srr7 exhibits lower virulence than its maternal strain in infected mice, which is typically manifested in a longer lifespan. In this study, during the course of infection with srr7, s...

journal_title：Pathology international

authors： Kashiwazaki H,Nomura R,Matsuyama S,Taguchi F,Watanabe R

更新日期：2011-04-01 00:00:00