Clinicopathological features of CpG island methylator phenotype-positive colorectal cancer and its adverse prognosis in relation to KRAS/BRAF mutation.

abstract：:BRCA1-associated protein 1 (BAP1) or methylthioadenosine phosphorylase (MTAP) immunohistochemistry (IHC) or 9p21 fluorescence in situ hybridization (FISH) are useful for the diagnosis of malignant pleural mesothelioma (MPM). However, the effect of these assays on the diagnostic yield of effusion cytology in MPM cases ...

journal_title：Pathology international

authors： Kinoshita Y,Hamasaki M,Matsumoto S,Yoshimura M,Sato A,Tsujimura T,Kamei T,Kawahara K,Nabeshima K

更新日期：2020-09-01 00:00:00

abstract：:A case of squamous cell carcinoma arising within an acquired seminal vesicular cyst is described. A 61-year-old man was hospitalized because of hemospermia and dysuria. Under the diagnosis of a left seminal vesicular cyst, surgical resection was performed. Pathological examination revealed squamous cell carcinoma with...

journal_title：Pathology international

authors： Yanagisawa N,Saegusa M,Yoshida T,Okayasu I

更新日期：2002-03-01 00:00:00

abstract：:Perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal neoplasm, and malignant cases are extremely rare. A case of malignant PEComa arising in the colon is described herein. The patient was a 43-year-old Japanese woman without a history of tuberous sclerosis complex. The tumor occurred in the abdominal cav...

journal_title：Pathology international

authors： Yamamoto H,Oda Y,Yao T,Oiwa T,Kobayashi C,Tamiya S,Kawaguchi K,Hino O,Tsuneyoshi M

更新日期：2006-01-01 00:00:00

abstract：:A case of incidentally detected liver metastasis of follicular carcinoma of the thyroid, histologically mimicking ectopic thyroid, is described. The patient was a 48-year-old woman. A 2-cm mass was incidentally detected in the left lobe of the liver by abdominal computed tomography (CT) scan. Partial liver resection w...

journal_title：Pathology international

authors： Kondo T,Katoh R,Omata K,Oyama T,Yagawa A,Kawaoi A

更新日期：2000-06-01 00:00:00

abstract：:Immunodeficient mice are widely used for xenografts of human cells and tissue. The purpose of the present study was to investigate the characteristics of xenograft human tumor models using engraftment of various non-hematopoietic tumors in the NOD/SCID/gamma(c) (null) mouse. For tumor models, human solid tumor tissues...

journal_title：Pathology international

authors： Fujii E,Suzuki M,Matsubara K,Watanabe M,Chen YJ,Adachi K,Ohnishi Y,Tanigawa M,Tsuchiya M,Tamaoki N

更新日期：2008-09-01 00:00:00

abstract：:An autopsy case of malignant mesothelioma with asbestosis caused by asbestos exposure for 17 years is reported. Autopsy revealed that mesothelioma spread extensively in all serosal tissues including pleura, pericardium, diaphragm, peritoneum and tunica vaginalis testis. Histopathologically, most of the tumor showed an...

journal_title：Pathology international

authors： Watanabe M,Kimura N,Kato M,Iwami D,Takahashi M,Nagura H

更新日期：1994-10-01 00:00:00

abstract：:The great majority of the cases clinically diagnosed as primary aldosteronism (PA) have been caused by aldosterone-producing adenoma (APA) or idiopathic hyperaldosteronism (IHA). The differential diagnosis of both subtypes of PA is important due to the different therapeutic modes but clinically it is sometimes difficu...

journal_title：Pathology international

authors： Nakamura Y,Felizola SJ,Satoh F,Konosu-Fukaya S,Sasano H

更新日期：2014-10-01 00:00:00

abstract：:Immunohistochemical and clinicopathological features of 58 gastrointestinal stromal tumors (GIST) were studied. One occurred in the esophagus, 41 in the stomach, nine in the small intestine, and seven in the large intestine. By using indirect immunoperoxidase staining for Cajal cell markers (c-kit protein and CD34), s...

journal_title：Pathology international

authors： Tazawa K,Tsukada K,Makuuchi H,Tsutsumi Y

更新日期：1999-09-01 00:00:00

abstract：:MRL/MpTn-gld/gld (MRL/gld) mice, which are deficient in a functional Fas ligand (FasL), spontaneously develop autoimmune diseases involving both lethal glomerulonephritis and systemic arteritis, while MRL/Mp-+/+ (MRL/+) and C3H/HeJ-gld/gld (C3H/gld) do not. To determine the cells responsible for the development of glo...

journal_title：Pathology international

authors： Ito MR,Ono M,Itoh J,Nose M

更新日期：2003-08-01 00:00:00

abstract：:Multiple injections with a mouse monoclonal anti-rat Thy-1 antibody (five times, at weekly intervals) induced marked glomerular sclerotic lesions which are characterized by adhesion of glomerular capillaries to Bowman's capsule and persistent proteinuria in rats. Abnormal production of type I collagen and increased ac...

journal_title：Pathology international

authors： Yagi M,Yamamoto T,Kato S,Nagano N,Kihara I

更新日期：1998-07-01 00:00:00

abstract：:A subcutaneous myopericytoma-type perivascular myoma arising in the elbow of a 61-year-old woman is described. The tumor was well demarcated and consisted microscopically of small ovoid and spindle cells arranged in a concentric fashion, surrounding small to medium-sized vessels and imparting a superficial resemblance...

journal_title：Pathology international

authors： Mikami Y,Shiomi T,Manabe T

更新日期：2002-01-01 00:00:00

abstract：:Accurate diagnosis of lymphoma includes the assessment of lineage-specific markers. Hematopoietic and lymphoid tissues express PAX5 exclusively in pro-B-cell to mature B-cell stages. However, some mature PAX5+ T-cell lymphomas have been reported. We report three cases of primary cutaneous CD30+ T-cell lymphoproliferat...

journal_title：Pathology international

authors： Hagiwara M,Tomita A,Takata K,Shimoyama Y,Yoshino T,Tomita Y,Nakamura S

更新日期：2012-04-01 00:00:00

abstract：:Many reports have suggested a strong correlation between certain lectin-binding patterns and biological behavior in various tumors. To clarify a relationship between lectin-binding reactivity and survival of patients with diffuse large B-cell lymphoma (B-DLCL), 57 cases with B-DLCL were analyzed by lectin histochemist...

journal_title：Pathology international

authors： Suzuki O,Nozawa Y,Kawaguchi T,Abe M

更新日期：1999-10-01 00:00:00

abstract：:The aluminum (AI) and iron (Fe) chelate complexes of nitrilotriacetate (NTA) cause renal insufficiency when they are administered intraperitoneally to rats. Their effects on bone metabolism were studied in 4 week old Wistar rats. Daily intraperitoneal administration of AI-NTA (3mg AI/kg for 11 weeks) induced osteomala...

journal_title：Pathology international

authors： Yukihiro S,Okada S,Takeuchi K,Inoue H

更新日期：1995-01-01 00:00:00

abstract：:We report a case of ALK-positive renal cell carcinoma coincident with Hodgkin lymphoma. The patient was a 19 year-old-girl without sickle cell trait. The right renal tumor was discovered concomitantly with Hodgkin lymphoma (HL). After chemotherapy for HL, right nephrectomy was performed. Microscopically, the tumor sho...

journal_title：Pathology international

authors： Oyama Y,Nishida H,Kusaba T,Kadowaki H,Arakane M,Daa T,Watanabe D,Akita Y,Sato F,Mimata H,Yokoyama S

更新日期：2017-12-01 00:00:00

abstract：:Multiple myeloma (MM) is a plasma-cell neoplasm that can cause renal disorders. Renal lesions in MM can present with a very rare pathological manifestation involving a specific monoclonal immunoglobulin (Ig). We report the case of a 33-year-old woman who had edema, fatigue, elevated serum creatinine levels, hypoalbumi...

journal_title：Pathology international

authors： Watanabe H,Osawa Y,Goto S,Habuka M,Imai N,Ito Y,Hirose T,Chou T,Ohashi R,Shimizu A,Ehara T,Shimotori T,Narita I

更新日期：2015-01-01 00:00:00

abstract：:Epithelioid angiomyolipoma (eAMLoma) is an uncommon renal mesenchymal tumor with malignant potential and is frequently associated with tuberous sclerosis (TSC). It is composed of polygonal large-sized tumor cells arranged in an epithelioid manner. Differential diagnosis from renal cell carcinoma (RCC) is often challen...

journal_title：Pathology international

authors： Kato I,Inayama Y,Yamanaka S,Ohshiro H,Gomi K,Shirai S,Aoki I,Uemura H,Miyoshi Y,Kubota Y,Yao M,Nagashima Y

更新日期：2009-01-01 00:00:00

abstract：:Several short forms of alternatively spliced Murine double minute 2 (MDM2) transcripts have recently been shown to correlate with high-grade malignancy in a number of human tumors. We examined the frequency of splice variants and their correlation with clinicopathological features in 60 cases of human breast cancer. S...

journal_title：Pathology international

authors： Hori M,Shimazaki J,Inagawa S,Itabashi M,Hori M

更新日期：2000-10-01 00:00:00

abstract：:The occurrence of malignant neoplasms increases with advancing age. Although aging and carcinogenesis are basically different processes, there are phenomena common to each such as accumulation of DNA damage and abnormal proteins. Gastric and colorectal carcinomas are representative tumors in which the prevalence and t...

journal_title：Pathology international

authors： Arai T,Takubo K

更新日期：2007-06-01 00:00:00

abstract：:Homozygous deletion of 9p21, the locus harboring the p16 gene, has been reported as one of the most common genetic alterations in malignant mesotheliomas (MMs). Previous studies showed that this alteration might be useful for differentiating benign from malignant mesothelial tumors in cytology and surgical specimens. ...

journal_title：Pathology international

authors： Takeda M,Kasai T,Enomoto Y,Takano M,Morita K,Kadota E,Nonomura A

更新日期：2010-05-01 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：:We report a case of gastrointestinal stromal tumor (GIST) of the stomach mimicking extragastrointestinal origin. The tumor presented as a large isolated mass in the transverse mesocolon with a minor adhesion to the stomach. Microscopic examination revealed c-kit gene protein product (KIT)-positive tumor cells with epi...

journal_title：Pathology international

authors： Nakajima T,Saito S,Sugiyama T,Murata K,Fukushima J,Horiuchi H

更新日期：2011-11-01 00:00:00

abstract：:In the present study the significance of nuclear/cytoplasmic expression of beta-catenin (CTNNB1) and mutation of the CTNNB1 gene (CTNNB1) in odontogenic tumors was examined. Six ameloblastomas (five follicular ameloblastomas and one plexiform ameloblastoma) and three malignant odontogenic tumors (one metastasizing ame...

journal_title：Pathology international

authors： Miyake T,Tanaka Y,Kato K,Tanaka M,Sato Y,Ijiri R,Inayama Y,Ito Y,Aoki S,Kawabe R,Tohnai I

更新日期：2006-12-01 00:00:00

abstract：:Infarction of a breast fibroadenoma usually occurs in young females during pregnancy or lactation. This report describes a rare case of the total infarction of a fibroadenoma in a 58 year old postmenopausal woman. The chief complaint was a rapidly enlarged, slightly painful lump. Medullary carcinoma was suspected on p...

journal_title：Pathology international

authors： Ichihara S,Matsuyama T,Kubo K,Tamura Z,Aoyama H

更新日期：1994-05-01 00:00:00

abstract：:Pulmonary tumor thrombotic microangiopathy is an unusual malignancy-related respiratory complication characterized by multiple microthrombi and intimal myofibroblast proliferation. Its clinical manifestation is subacute respiratory failure with pulmonary hypertension. Herein is reported a case of pulmonary tumor throm...

journal_title：Pathology international

authors： Sakashita N,Yokose C,Fujii K,Matsumoto M,Ohnishi K,Takeya M

更新日期：2007-06-01 00:00:00

abstract：:An asymptomatic 59-year-old man underwent pancreatoduodenectomy for a pancreatic mass that was discovered during a health check-up. Histopathology indicated typical features of lymphoplasmacytic sclerosing pancreatitis (LPSP) or autoimmune pancreatitis along with the presence of abundant IgG4-positive plasma cells thr...

journal_title：Pathology international

authors： Motosugi U,Ichikawa T,Yamaguchi H,Nakazawa T,Katoh R,Itakura J,Fujii H,Sato T,Araki T,Shimizu M

更新日期：2009-10-01 00:00:00

abstract：:A 56-year-old male treated for a gastric yolk sac tumor with an adenocarcinomatous component is described. A mixed area of reticular and glandular neoplastic components was morphologically identified in this tumor. Immunohistochemically, the yolk sac tumor expressed alpha-fetoprotein (AFP), placental alkaline phosphat...

journal_title：Pathology international

authors： Suzuki T,Kimura N,Shizawa S,Yabuki N,Yamaki T,Sasano H,Nagura H

更新日期：1999-06-01 00:00:00

abstract：:Epstein-Barr (EB) virus-associated primary smooth muscle tumors have been reported in immunosuppressed young patients with acquired immunodeficiency syndrome (AIDS) and young people who have undergone liver transplantation. An autopsy case of EB virus-associated smooth muscle cell tumor in a 21 year old female who rec...

journal_title：Pathology international

authors： Sadahira Y,Moriya T,Shirabe T,Matsuno T,Manabe T

更新日期：1996-08-01 00:00:00

abstract：:Histiocytic necrotizing lymphadenitis is rare outside Japan, including Brazil, despite the many Japanese immigrants and descendants who live there. The authors describe the case of a 32 year old white female, who presented with cervical lymph node enlargement and severe anemia. Histological findings of the lymph node ...

journal_title：Pathology international

authors： Lorand-Metze I,Vassallo J,Mori S

更新日期：1994-07-01 00:00:00

abstract：:The DNA ploidy pattern of nine hepatoblastomas and three normal liver specimens was investigated by flow cytometry. Areas of unlike differentiation in the same tumor were investigated separately. Normal liver tissue and the fetal subtype were always diploid. Aneuploidy was found in the embryonal subtype. The one case ...

journal_title：Pathology international

authors： Kröber S,Ruck P,Xiao JC,Kaiserling E

更新日期：1995-07-01 00:00:00